All packages by name

2captcha library: Haskell package for easy integration with the 2captcha API. (deprecated, library, mit, network)
3d-graphics-examples programs: Examples of 3D graphics programming with OpenGL (bsd3, fractals, graphics, program)
3dmodels library: 3D model parsers (deprecated, graphics, lgpl, library)
4Blocks program: A tetris-like game (works with GHC 6.8.3 and Gtk2hs 0.9.13) (bsd3, game, program)
A-gent library: Polite & well educated LLM agent with excellent manners that always behaves well (agent, library, llm)
AAI library: Abstract Application Interface. (control, library, mit)
ABList library and test: An alternating list of two types (bsd3, data, library)
AC-Angle library: Angles in degrees and radians. (bsd3, data, library, math, numerical)
AC-Boolean library: Handle Boolean values generatically. (bsd3, data, library, logic, math)
AC-BuildPlatform library: Detect which OS you're running on. (bsd3, library, system)
AC-Colour library: Efficient RGB colour types. (bsd3, data, graphics, library, math, numerical)
AC-EasyRaster-GTK library: GTK+ pixel plotting. (bsd3, graphics, library)
AC-HalfInteger library: Efficient half-integer type. (bsd3, data, library, math, numerical)
AC-MiniTest library: A simple test framework. (bsd3, library, testing)
AC-PPM library: Trivial package for writing PPM images. (bsd3, codec, graphics, library)
AC-Random library: A pure Haskell PRNG. (bsd3, library, random)
AC-Terminal library: Trivial wrapper over ansi-terminal. (bsd3, data, library, math, numerical)
AC-VanillaArray library: Immutable arrays with plain integer indicies. (bsd3, data, library)
AC-Vector library: Efficient geometric vectors and transformations. (bsd3, data, graphics, library, math, numerical)
AC-Vector-Fancy library: Fancy type-system stuff for AC-Vector (bsd3, data, graphics, library, math, numerical)
ACME library: Essential features (acme, bsd3, library)
ADPfusion library and test: Efficient, high-level dynamic programming. (algorithms, bioinformatics, bsd3, data-structures, formal-languages, library)
ADPfusionForest library, test and benchmark: Dynamic programming on tree and forest structures (bioinformatics, bsd3, formal-languages, library)
ADPfusionSet library and test: Dynamic programming for Set data structures. (algorithms, bioinformatics, bsd3, data-structures, formal-languages, library)
AERN-Basics library and program: foundational type classes for approximating exact real numbers (bsd3, data, deprecated, library, math, program)
AERN-Net library: Compositional lazy dataflow networks for exact real number computation (bsd3, deprecated, distributed-computing, library, math)
AERN-Real library: arbitrary precision real interval arithmetic (bsd3, data, deprecated, library, math)
AERN-Real-Double library and programs: arbitrary precision real interval arithmetic (bsd3, data, deprecated, library, math, program)
AERN-Real-Interval library: arbitrary precision real interval arithmetic (bsd3, data, deprecated, library, math)
AERN-RnToRm library: polynomial function enclosures (PFEs) approximating exact real functions (bsd3, data, deprecated, library, math)
AERN-RnToRm-Plot library: GL plotting of polynomial function enclosures (PFEs) (bsd3, data, deprecated, library, math)
AES library: Fast AES encryption/decryption for bytestrings (bsd3, cryptography, library)
AFSM library: Arrowized functional state machines (frp, library, mit)
AGI library: A library for writing AGI scripts for Asterisk (bsd3, library, network)
ALUT library: A binding for the OpenAL Utility Toolkit (bsd3, library, sound)
AMI library: Low-level bindings for Asterisk Manager Interface (AMI). (bsd3, library, network)
ANum library and test: Num instance for Applicatives provided via the ANum newtype (bsd3, data, library)
ASN1 library: ASN.1 support for Haskell (bsd3, language, library)
AVar library: Mutable variables with Exception handling and concurrency support. (bsd3, concurrency, deprecated, library)
AWin32Console library: A binding to a part of the ANSI escape code for the console (bsd3, library, system)
AbortT-monadstf library: Monads-tf instances for the AbortT monad transformer. (bsd3, control, library)
AbortT-mtl library: mtl instances for the AbortT monad transformer (bsd3, control, library)
AbortT-transformers library and test: A monad and monadic transformer providing "abort" functionality (bsd3, control, library)
ActionKid library, program and test: An easy-to-use video game framework for Haskell. (bsd3, game-engine, library, program)
Adaptive library and program: Library for incremental computing. (algorithms, bsd3, library, program)
Adaptive-Blaisorblade library and program: Library for incremental computing. (bsd3, control, library, program)
Advgame program: Lisperati's adventure game in Lisp translated to Haskell (bsd3, game, program)
Advise-me library and programs: Assessment services for the Advise-Me project (apache, education, library, program)
AesonBson library and test: Mapping between Aeson's JSON and Bson objects. (data, library)
Agata library: Generator-generator for QuickCheck (bsd3, deprecated, library, testing)
Agda library and programs: A dependently typed functional programming language and proof assistant (dependent-types, library, mit, program)
Agda-executable program: Command-line program for type-checking and compiling Agda programs (dependent-types, deprecated, program)
AhoCorasick library and test: Aho-Corasick string matching algorithm (bsd3, library, text)
AlanDeniseEricLauren library, test and benchmark: Find the minimal subset/submap satisfying some property. (algorithms, bsd3, library)
AlgoRhythm library, program and test: Algorithmic music composition (algorithmic-music-composition, automatic-music-generation, bsd3, chaos-music, generative-music-grammars, library, program)
AlgorithmW program: Example implementation of Algorithm W for Hindley-Milner type inference. (bsd3, development, program)
AlignmentAlgorithms library: Collection of alignment algorithms (algorithms, bioinformatics, data-structures, gpl, library, linguistics)
Allure library, program and test: Near-future Sci-Fi roguelike and tactical squad combat game (agpl, game, library, program, roguelike)
AndroidViewHierarchyImporter program: Android view hierarchy importer (bsd3, development, program)
Animas library: Updated version of Yampa: a library for programming hybrid systems. (bsd3, frp, library, reactivity)
Annotations library and test: Constructing, analyzing and destructing annotated trees (bsd3, generics, library)
Ansi2Html program: Convert ANSI Terminal Sequences to nice HTML markup (bsd3, program, web)
Aoide library and program: A simple music library that can generate Lilypond and MIDI files. (bsd3, composition, library, lilypond, midi, music, program)
ApplePush library and program: Library for Apple Push Notification Service (bsd3, library, network, program)
AppleScript : Call AppleScript from Haskell, and then call back into Haskell. (bsd3, foreign)
ApproxFun-hs library: Function approximation (bsd3, library, math)
ArrayRef library: Unboxed references, dynamic arrays and more (bsd3, data, library)
ArrowVHDL library: A library to generate Netlist code from Arrow descriptions. (library, public-domain, testing)
AspectAG library and test: First-class Attribute Grammars implemented using type-level programming. (gpl, language, library)
AsyncRattus library and tests: An asynchronous modal FRP language (bsd3, frp, library)
AttoBencode library and test: Fast Bencode encoding and parsing library (bsd3, data, library)
AttoJson library: Simple lightweight JSON parser, generator & manipulator based on ByteString (bsd3, deprecated, library, text)
Attrac program: Visualisation of Strange Attractors in 3-Dimensions (bsd3, graphics, program)
Aurochs program: Yet another parser generator for C/C++ (bsd3, development, program)
AutoForms library: GUI library based upon generic programming (SYB3) (gui, library)
AvlTree library and test: Balanced binary trees using the AVL algorithm. (bsd3, data, library)
BASIC library: Embedded BASIC (bsd3, language, library)
BCMtools library and program: Big Contact Map Tools (bioinformatics, library, mit, program)
BNFC library, program and test: A compiler front-end generator. (bsd3, library, parsing, program)
BNFC-meta library: Deriving Parsers and Quasi-Quoters from BNF Grammars (development, gpl, language, library, parsing, text)
BPS library, programs and test: Translations of classic Truth Maintenance Systems (gpl, library, program, truth-maintenance)
Baggins library: Tools for self-assembly (gpl, library, math)
Bang library: A Drum Machine DSL for Haskell (library, mit, sound)
Barracuda library and program: An ad-hoc P2P chat program (library, network, program)
Befunge93 program: An interpreter for the Befunge-93 Programming Language (bsd3, compilers-interpreters, program)
BenchmarkHistory library: Benchmark functions with history (benchmarking, gpl, library)
BerkeleyDB library: Berkeley DB binding (bsd3, database, library)
BerkeleyDBXML library: Berkeley DB XML binding (bsd3, database, library)
BerlekampAlgorithm library: Factorization of polynomials over finite field (bsd3, library, math)
BesselJ library and test: Bessel J-function, Anger J-function, Weber E-function, and Anger-Weber function. (bsd3, library, math)
BiGUL library: The Bidirectional Generic Update Language (generics, language, lenses, library, public-domain)
BigPixel program: Image editor for pixel art (bsd3, development, program)
BinderAnn library and test: Source-to-source plugin for enhancing EDSLs with static annotations (bsd3, compiler-plugin, library)
Binpack library: Common bin-packing heuristics. (algorithms, bsd3, heuristics, library)
BioHMM library: Libary for Hidden Markov Models in HMMER3 format. (bioinformatics, gpl, library)
Biobase library: Base library for bioinformatics (bioinformatics, gpl, library)
BiobaseBlast library and test: BLAST-related tools (bioinformatics, gpl, library)
BiobaseDotP library: Vienna / DotBracket / ExtSS parsers (bioinformatics, gpl, library)
BiobaseENA library and test: European Nucleotide Archive data (bsd3, data, library)
BiobaseEnsembl library: Ensembl related datastructures and functions (bioinformatics, gpl, library)
BiobaseFR3D library: Importer for FR3D resources (bioinformatics, gpl, library)
BiobaseFasta library, program and test: streaming FASTA parser (bioinformatics, bsd3, library, program)
BiobaseHTTP library: Libary to interface with the Bioinformatics HTTP services - Entrez Ensembl (bioinformatics, gpl, library)
BiobaseHTTPTools programs: Tools to query Bioinformatics HTTP services e.g. Entrez, Ensembl. (bioinformatics, gpl, program)
BiobaseInfernal library, program, test and benchmark: Infernal data structures and tools (bioinformatics, gpl, library, program)
BiobaseMAF library: Multiple Alignment Format (bioinformatics, gpl, library)
BiobaseNewick library, program and test: Newick file format parser. (bioinformatics, bsd3, library, program)
BiobaseTrainingData library and program: RNA folding training data (bioinformatics, gpl, library, program)
BiobaseTurner library: Import Turner RNA parameters (bioinformatics, gpl, library)
BiobaseTypes library and test: Collection of types for bioinformatics (bioinformatics, bsd3, data-structures, library)
BiobaseVienna library: Import Vienna energy parameters (bioinformatics, gpl, library)
BiobaseXNA library, program and test: Efficient RNA/DNA/Protein Primary/Secondary Structure (bioinformatics, bsd3, library, program)
BirdPP program: A preprocessor for Bird-style Literate Haskell comments with Haddock markup. (development, program)
BitStringRandomMonad library and test: (bsd3, crypto, library)
BitSyntax library: A module to aid in the (de)serialisation of binary data (bsd3, library, serialization)
Bitly library: A library to access bit.ly URL shortener. (bsd3, deprecated, library, web)
Blammo library and tests: Batteries-included Structured Logging library (library, logging, mit)
Blammo-wai library and test: Using Blammo with WAI (library, logging, mit, web)
BlastHTTP library: Libary to interface with the NCBI blast REST interface (bioinformatics, gpl, library)
Blobs library and program: Diagram editor (graphics, library, program)
BlogLiterately library and program: A tool for posting Haskelly articles to blogs (gpl, library, program, web)
BlogLiterately-diagrams library and program: Include images in blog posts with inline diagrams code (bsd3, library, program, web)
Blogdown library, program, test and benchmark: A markdown-like markup language designed for blog posts (agpl, library, program, web)
BluePrintCSS library: Html document layout library. (bsd3, deprecated, library, text, web)
Blueprint library: Preview of a new build system. (bsd3, distribution, library)
Bookshelf program and test: A simple document organizer with some wiki functionality (program, text)
Boolean library: Generalized booleans and numbers (bsd3, data, library)
BoundedChan library: Implementation of bounded channels. (bsd3, concurrency, library)
Bravo library: Static text template generation library (bsd3, library, text)
BufferedSocket library: A socker wrapper that makes the IO of sockets much cleaner (library, mit, network)
Buster program and test: Hits a set of urls periodically to bust caches (mit, program, web)
C-structs library and tests: C-Structs implementation for Haskell (c, data, foreign, library, mit, structures)
CBOR library and tests: Encode/Decode values to/from CBOR (data, lgpl, library)
CC-delcont library: Delimited continuations and dynamically scoped variables (control, library)
CC-delcont-alt library and test: Three new monad transformers for multi-prompt delimited control (bsd3, control, library)
CC-delcont-cxe library: A monad transformers for multi-prompt delimited control (bsd3, control, library)
CC-delcont-exc library: A monad transformers for multi-prompt delimited control (bsd3, control, library)
CC-delcont-ref library: A monad transformers for multi-prompt delimited control using refercence cells (bsd3, control, library)
CC-delcont-ref-tf library: A monad transformers for multi-prompt delimited control using refercence cells (bsd3, control, library)
CCA library and program: preprocessor and library for Causal Commutative Arrows (CCA) (bsd3, development, library, program)
CHXHtml library: A W3C compliant (X)HTML generating library (bsd3, library, web)
CLASE library: Cursor Library for A Structured Editor (bsd3, data, library)
CLI library and test: CLI tools (bsd3, data, library)
CMCompare library and program: Infernal covariance model comparison (bioinformatics, gpl, library, program)
CMQ library: cwmwl udp message queue (bsd3, library, system)
COrdering library: An algebraic data type similar to Prelude Ordering. (bsd3, data, library)
CPBrainfuck program: A simple Brainfuck interpretter. (bsd3, compilers-interpreters, program)
CPL program: An interpreter of Hagino's Categorical Programming Language (CPL). (bsd3, compilers-interpreters, program)
CSPM-CoreLanguage library: Definition of a CSP core-language. (bsd3, concurrency, formal-methods, language, library)
CSPM-FiringRules library: Firing rules semantic of CSPM (bsd3, concurrency, formal-methods, language, library)
CSPM-Frontend library: A CSP-M parser compatible with FDR-2.91 (bsd3, concurrency, formal-methods, language, library)
CSPM-Interpreter library: An interpreter for CSPM (bsd3, concurrency, formal-methods, language, library)
CSPM-ToProlog library: some modules specific for the ProB tool (bsd3, formal-methods, library)
CSPM-cspm library and program: cspm command line tool for analyzing CSPM specifications. (bsd3, concurrency, formal-methods, language, library, program)
CTRex library: Open records using closed type families. (bsd3, data, data-structures, library)
CV library: OpenCV based machine vision library (ai, graphics, library, machine-vision)
Cabal library: A framework for packaging Haskell software (bsd3, distribution, library)
Cabal-hooks library: API for the Hooks build-type (bsd3, distribution, library)
Cabal-ide-backend library and tests: A framework for packaging Haskell software (bsd3, deprecated, distribution, library)
Cabal-syntax library: A library for working with .cabal files (bsd3, distribution, library)
CabalSearch program: Search cabal packages by name (bsd3, program, utils)
Capabilities library: Separate and contain effects of IO monad. (bsd3, generics, library, security)
Cardinality library: Measure container capacity. Use it to safely change container. (data, library)
CarneadesDSL library and test: An implementation and DSL for the Carneades argumentation model. (ai, argumentation, bsd3, embedded, library)
CarneadesIntoDung library, program and test: A translation from the Carneades argumentation model into Dung's AFs. (ai, argumentation, bsd3, embedded, library, program)
Cartesian library: Coordinate systems (library, math, mit)
Cascade library: Playing with reified categorical composition (control, library, public-domain)
Cassava library and test: A CSV parsing and encoding library (bsd3, csv, deprecated, library, text, web)
Catana library: A monad for complex manipulation of a stream. (bsd3, control, library)
ChannelT library: Generalized stream processors (bsd3, control, enumerator, iteratee, library, pipes, proxies)
Chart library: A library for generating 2D Charts and Plots (bsd3, graphics, library)
Chart-cairo library: Cairo backend for Charts. (bsd3, graphics, library)
Chart-diagrams library: Diagrams backend for Charts. (bsd3, graphics, library)
Chart-fltkhs library: A backend for the Chart library for FLTKHS (bsd3, graphics, library)
Chart-gtk library: Utility functions for using the chart library with GTK (bsd3, graphics, library)
Chart-gtk3 library: Utility functions for using the chart library with GTK (bsd3, graphics, library)
Chart-simple library: A wrapper for the chart library to assist with basic plots (Deprecated - use the Easy module instead) (bsd3, deprecated, graphics, library)
Chart-tests program and test: Tests of the Charts library. (bsd3, graphics, program)
ChasingBottoms library and test: For testing partial and infinite values. (library, mit, testing)
CheatSheet program: A Haskell cheat sheet in PDF and literate formats. (bsd3, help, program)
Checked library: Inbuilt checking for ultra reliable computing (bsd3, data, library)
ChibiHash library, program and test: a simple and fast 64-bit hash function (algorithms, data, library, mit, program)
Chitra program: A platform independent mechanism to render graphics using vnc. (bsd3, graphics, program)
ChristmasTree library: Alternative approach of 'read' that composes grammars instead of parsers. (library, parsing-)
CirruParser library: Cirru Parser in Haskell (deprecated, library, mit, text)
Clash-Royale-Hack-Cheats library and tests: spam (bsd3, deprecated, library, web)
ClassLaws library: Stating and checking laws for type class methods (bsd3, library, testing)
ClasshSS library: Typified Tailwind for Rapid Development (library, mit, web)
ClassyPrelude library: Prelude replacement using classes instead of concrete types where reasonable (bsd3, control, data, library)
Clean library: A light, clean and powerful utility library (bsd3, control, deprecated, library)
ClickHaskell library: ClickHouse driver (bsd3, clickhouse, library)
ClickHaskell-tls library: ClickHaskell TLS extension (bsd3, clickhouse, library)
Clipboard library: System clipboard interface. (bsd3, library, system)
ClustalParser library, program and test: Libary for parsing Clustal tools output (bioinformatics, gpl, library, program)
Coadjute library: A generic build tool (bsd3, deprecated, development, library)
Codec-Compression-LZF library: LZF compression bindings. (bsd3, codec, library)
Codec-Image-DevIL library: An FFI interface to the DevIL library (bsd3, codecs, library)
Color library, test and benchmarks: Color spaces and conversions between them (bsd3, graphics, library)
Combinatorrent program: A concurrent bittorrent client (bsd3, network, program)
Command library: A replacement for System.Exit and System.Process (bsd3, deprecated, library, system)
Commando library and program: Watch some files; Rerun a command (development, library, mit, program)
ComonadSheet library: A library for expressing spreadsheet-like computations as the fixed-points of comonads. (bsd3, control, library)
Compactable library: A generalization for containers that can be stripped of Nothing (bsd3, control, deprecated, library)
ConClusion library and program: Cluster algorithms, PCA, and chemical conformere analysis (agpl, chemistry, library, program, statistics)
Concurrent-Cache library: A Cached variable for IO functions. (bsd3, concurrency, library)
ConcurrentUtils library: Concurrent utilities (concurrency, gpl, library)
Concurrential library: Mix concurrent and sequential computation (bsd3, control, library)
Condor library, program and test: Information retrieval library (bsd3, library, program, search, text)
ConfigFile library: Configuration file reading & writing (bsd3, library, parsing)
ConfigFileTH library: Template haskell for reading ConfigFiles. (library, parsing, template-haskell)
Configger library: Parse config files (configuration, library, mit)
Configurable library: Declare types as Configurable then specialize them all in one place (control, library, mit)
ConsStream library: Trivial re-export of Wouter Swierstra's Stream package, avoiding module name clash. (bsd3, data, library)
Conscript program: Restart a command on STDIN activity (mit, program, system)
ConsoleAsk library: Simple CLI user input library (console, library, mit, system)
ConstraintKinds library: Repackages standard type classes with the ConstraintKinds extension (bsd3, control, library)
Consumer library: A monad and monad transformer for consuming streams (bsd3, library, monads)
ContArrow library: Control.Arrow.Transformer.Cont (bsd3, control, library)
ContextAlgebra program: Implementation of the context algebra. (bsd3, math, program)
Contract library: Practical typed lazy contracts. (bsd3, development, library)
Control-Engine library: A parallel producer/consumer engine (thread pool) (bsd3, control, deprecated, library)
Control-Monad-MultiPass library and test: A Library for Writing Multi-Pass Algorithms. (bsd3, control, library)
Control-Monad-ST2 library and test: A variation on the ST monad with two type parameters. (bsd3, control, library)
CoreDump library: A GHC plugin for printing GHC's internal Core data structures. (bsd3, ghc, library)
CoreErlang library: Manipulating Core Erlang source code (bsd3, language, library)
CoreFoundation library: Bindings to Mac OSX's CoreFoundation framework (bsd3, library, system)
Coroutine library: Type-safe coroutines using lightweight session types. (bsd3, control, library)
CouchDB library and test: CouchDB interface (bsd3, database, library)
Craft3e library and programs: Code for Haskell: the Craft of Functional Programming, 3rd ed. (education, library, mit, program)
Crypto library and tests: Common Cryptographic Algorithms in Pure Haskell (codec, cryptography, library)
CurryDB library, programs, tests and benchmark: CurryDB: In-memory Key/Value Database (bsd3, database, library, program)
DAG-Tournament program: Real-Time Game Tournament Evaluator (game, program)
DAV library and program: RFC 4918 WebDAV support (gpl, library, program, web)
DBFunctor library, program and test: DBFunctor - Functional Data Management => ETL/ELT Data Processing in Haskell (bsd3, data-processing, etl, library, program)
DBlimited program: A command-line SQL interface for flat files (tdf,csv,etc.) (bsd3, database, program)
DBus library: D-Bus bindings (bsd3, desktop, library, network)
DCFL library: Communication Free Learning-based constraint solver (data-, library, mit)
DMuCheck program: Distributed Mutation Analysis framework for MuCheck (gpl, program, testing)
DOH library and test: Complete API bindings for DigitalOcean API V2 (library, mit, network)
DOM library: DOM Level 2 bindings for the WebBits package. (bsd3, library, web)
DP library: Pragmatic framework for dynamic programming (algorithms, bsd3, library, math, natural-language-processing)
DPM library and program: Darcs Patch Manager (development, library, program)
DPutils library, test and benchmarks: utilities for DP (bsd3, data, library)
DRBG library and test: Deterministic random bit generator (aka RNG, PRNG) based HMACs, Hashes, and Ciphers. (bsd3, cryptography, library)
DSA library and test: Implementation of DSA, based on the description of FIPS 186-4 (bsd3, codec, cryptography, library)
DSH library and program: Database Supported Haskell (bsd3, database, library, program)
DSTM library and programs: A framework for using STM within distributed systems (distributed-computing, library, program)
DTC library: Data To Class transformation. (bsd3, language, library)
Dangerous library: Monads for operations that can exit early and produce warnings (error-handling, library, mit)
Dao library, program and test: Dao is meta programming language with its own built-in interpreted language, designed with artificial intelligence applications in mind. (gpl, library, program, unclassified)
DarcsHelpers library: Code used by Patch-Shack that seemed sensible to open for reusability (library, web)
Data-Angle library: Geometric angles (bsd3, data, library, math)
Data-Hash-Consistent library: Provide a simple consistent hashing mechanism (bsd3, data, library)
Data-Rope library: Ropes, an alternative to (Byte)Strings. (data, deprecated, library)
DataIndex library, program, test and benchmark: A package for adding index column to data files (data, library, mit, program)
DataTreeView library: A GTK widget for displaying arbitrary Data.Data.Data instances (bsd3, debug, development, gui, library)
DataVersion library and test: Type safe data migrations (data, library, mit)
Deadpan-DDP library, program and test: Write clients for Meteor's DDP Protocol (library, mit, program, unclassified)
DebugTraceHelpers library: Convenience functions and instances for Debug.Trace (debug, library)
Decimal library and test: Decimal numbers with variable precision (bsd3, library, math)
DecisionTree library: A very simple implementation of decision trees for discrete attributes. (algorithms, library, pattern-classification)
DeepArrow library: Arrows for "deep application" (bsd3, combinators, control, library)
DeepDarkFantasy library and tests: A DSL for creating neural network. (dsl, library)
DefendTheKing programs: A simple RTS game (frp, game, program)
Delta-Lambda program and test: A demonstration interpreter for type system delta-lambda (of N.G. De-bruijn) (compilers-interpreters, mit, program)
DescriptiveKeys library: A library for specifying xmonad key bindings with functionality. (bsd3, library, system)
Dflow library and test: Processing Real-time event streams (bsd3, library, reactivity)
Diff library and test: Diff algorithm in pure Haskell (algorithms, bsd3, library)
DifferenceLogic library: A theory solver for conjunctions of literals in difference logic (bsd3, library, math)
DifferentialEvolution library: Global optimization using Differential Evolution (algorithms-, library, mit, numerical, optimization)
Digit library: A data-type representing digits 0-9 (bsd3, data, deprecated, library)
DigitGroup library: Group the digits of numbers by lots (bsd3, library, math)
DigitalOcean library and test: A client library for the DigitalOcean API (agpl, library, network)
DimensionalHash library: An n-dimensional hash using Morton numbers. (algorithms, bsd3, data, library)
DirectSound library: Partial binding to the Microsoft DirectSound API. (bsd3, library, sound)
DisTract library and programs: Distributed Bug Tracking System (bsd3, library, program, system)
DiscussionSupportSystem library and test: Discussion support system (gpl, library, system)
Dish library and program: Hash modules (currently Murmur3) (bsd3, data, library, program)
Dist library and test: A Haskell library for probability distributions (library, math, mit)
DistanceTransform library and test: Distance transform function. (bsd3, library, math)
DistanceUnits library: A comprehensive distance library (bsd3, data, library)
DnaProteinAlignment library and program: Frameshift-aware alignment of protein sequences with DNA sequences (bioinformatics, gpl, library, program)
DocTest program: Test interactive Haskell examples (deprecated, mit, program, testing)
Docs library: Documentation types library. (bsd3, deprecated, documentation, library)
DrHylo library and program: A tool for deriving hylomorphisms (bsd3, language, library, program)
DrIFT library and programs: Program to derive type class instances (bsd3, data-structures, library, program)
DrIFT-cabalized programs: Program to derive type class instances (bsd3, data-structures, deprecated, program)
Dung library, program and tests: An implementation of the Dung argumentation frameworks. (ai, argumentation, bsd3, embedded, library, program)
Dust library and test: Polymorphic protocol engine (library, network)
Dust-crypto library and test: Cryptographic operations (cryptography, library)
Dust-tools library and programs: Network filtering exploration tools (library, network, program)
Dust-tools-pcap programs: Network filtering exploration tools that rely on pcap (network, program)
DynamicTimeWarp library and programs: Dynamic time warping of sequences. (data, lgpl, library, program)
DysFRP library: dysFunctional Reactive Programming (bsd3, frp, library)
DysFRP-Cairo library: dysFunctional Reactive Programming on Cairo (bsd3, frp, library)
DysFRP-Craftwerk library: dysFunctional Reactive Programming on Craftwerk (bsd3, frp, library)
EEConfig library: ExtremlyEasyConfig - Extremly Simple parser for config files (bsd3, library, parsing)
ENIG library and test: Auto Korean conjugator/adjustor/adopter/converter (bsd3, library, natural-language-processing)
EVP library and test: Environment Variable Parser (bsd3, library, system)
Earley library, test and benchmark: Parsing all context-free grammars using Earley's algorithm. (bsd3, library, parsing)
Ebnf2ps program: Peter's Syntax Diagram Drawing Tool (bsd3, language, program)
EdisonAPI library: A library of efficient, purely-functional data structures (API) (data-structures, library, mit)
EdisonCore library: A library of efficient, purely-functional data structures (Core Implementations) (data-structures, library, mit)
EditTimeReport program: Query language and report generator for edit logs. (program, utils)
Eight-Ball-Pool-Hack-Cheats library and tests: spam (bsd3, deprecated, library, web)
EitherT library: EitherT monad transformer (bsd3, control, deprecated, library)
Elm library, programs and tests: The Elm language module. (bsd3, compiler, deprecated, language, library, program)
Emping program: derives heuristic rules from nominal data (data-mining, program)
Empty library: A type class for empty containers (bsd3, control, library)
Encode library and programs: Encoding character data (codec, library, program, text)
EntrezHTTP library: Libary to interface with the NCBI Entrez REST service. (bioinformatics, deprecated, gpl, library)
Enum library and test: Non-crashing `Enum` operations (bsd3, deprecated, library, unclassified)
EnumContainers library: Simple Enum-class-based int containers (bsd3, data, library)
EnumMap library: More general IntMap replacement. (bsd3, data-structures, library)
Eq program: Render math formula in ASCII, and perform some simplifications (bsd3, deprecated, language, math, program)
EqualitySolver library: A theory solver for conjunctions of literals in the theory of uninterpreted functions with equality (bsd3, library, math)
EsounD library: Type-safe bindings to EsounD (ESD; Enlightened Sound Daemon) (library, public-domain, sound)
EstProgress library: Methods for estimating the progress of functions (bsd3, data, library)
EtaMOO program: A new implementation of the LambdaMOO server (bsd3, network, program)
Etage library: A general data-flow framework (ai, control, lgpl, library)
Etage-Graph library and program: Data-flow based graph algorithms (data-structures, lgpl, library, program)
Eternal10Seconds program: A 2-D shooting game (bsd3, game, program)
Etherbunny library and program: A network analysis toolkit for Haskell (library, network, program)
EuroIT library: Library for using euro currency, italian language (bsd3, data, library)
Euterpea library: Library for computer music research and education (bsd3, library, music, sound)
EventSocket library: Interfaces with FreeSwitch Event Socket. (bsd3, library, network)
Extra library: A grab bag of modules. (bsd3, deprecated, library, unclassified)
FAI library and test: Haskell Foreign Accelerate Interface (accelerate, lgpl, library)
FComp library and program: Compose music (gpl, library, music, program)
FM-SBLEX programs: A set of computational morphology tools for Swedish diachronic lexicons. (natural-language-processing, program)
FModExRaw library: The Haskell FModEx raw API. (deprecated, gpl, library, sound)
FPretty library: Efficient simple pretty printing combinators (bsd3, library, text.prettyprint)
FSM library: Basic concepts of finite state machines. (bsd3, fsm, library)
FTGL library: Portable TrueType font rendering for OpenGL using the Freetype2 library (bsd3, graphics, library)
FTGL-bytestring library: Portable TrueType font rendering for OpenGL using the Freetype2 library (bsd3, graphics, library)
FTPLine program: A command-line FTP client. (bsd3, network, program)
FULE library and test: Functional UI Layout Engine (bsd3, gui, library)
Facebook-Password-Hacker-Online-Latest-Version library and tests: spam (bsd3, deprecated, library, web)
Facts library: A collection of facts about the real world. (bsd3, factual, library)
FailT library and tests: A 'FailT' monad transformer that plays well with 'MonadFail' (bsd3, control, failure, library)
FailureT library: Failure Monad Transformer (control, deprecated, failure, library, public-domain)
FastPush library: A monad and monad transformer for pushing things onto a stack very fast. (bsd3, control, library)
FastxPipe library: Fasta and Fastq streaming (bsd3, deprecated, library, unclassified)
FenwickTree library and test: Data structure for fast query and update of cumulative sums (bsd3, data-structures, library)
FermatsLastMargin program: Annotate ps and pdf documents (program, web)
FerryCore library: Ferry Core Components (bsd3, database, library)
Feval program: Evaluation using F-Algebras (language, mit, program)
FieldTrip library: Functional 3D (bsd3, graphics, library)
FileManip library: Expressive file and directory manipulation for Haskell. (bsd3, deprecated, library, system)
FileManipCompat library: Expressive file and directory manipulation for Haskell. (bsd3, library, system)
FilePather library: Functions on System.FilePath (bsd3, deprecated, library, system)
FileSystem library: File system data structure and monad transformer. (bsd3, library, system)
Files library, program and test: File content extraction/rearrangement (io, library, mit, program)
Fin library: Finite totally-ordered sets (bsd3, data, deprecated, library)
Finance-Quote-Yahoo library: Obtain quote data from finance.yahoo.com (bsd3, library, web)
Finance-Treasury library: Obtain Treasury yield curve data (bsd3, library, web)
FindBin library: Locate directory of original program (bsd3, library, system)
FiniteCategories library and test: Finite categories and usual categorical constructions on them. (data, gpl, library, maths)
FiniteCategoriesGraphViz library and test: Transform objects of the package FiniteCategories into graphs using GraphViz. (data, gpl, library, maths)
FiniteMap library: A finite map implementation, derived from the paper: Efficient sets: a balancing act, S. Adams, Journal of functional programming 3(4) Oct 1993, pp553-562 (bsd4, data, deprecated, library)
FirstOrderTheory library: Grammar and typeclass for first order theories (bsd3, library, math)
FirstPrelude library: A version of Prelude suitable for teaching. (bsd3, library, unclassified)
FixedPoint-simple library: Fixed point, large word, and large int numerical representations (types and common class instances) (bsd3, data, library)
Flint2 library and test: Haskell bindings for the flint library for number theory (gpl, library, math)
Flint2-Examples programs and test: Examples for the Flint2 library (gpl, math, program)
Flippi program: Wiki (bsd3, program, text)
FloatingHex library: Read and write hexadecimal floating point numbers (bsd3, library, tools)
Focus library: Tools for focusing in on locations within numbers (data, library, mit)
Folly library and programs: A first order logic library in Haskell (bsd3, library, program, theorem-provers)
FontyFruity library: A true type file format loader (bsd3, font, graphics, library, text)
ForSyDe library: ForSyDe's Haskell-embedded Domain Specific Language. (bsd3, deprecated, hardware, language, library)
ForestStructures library, test and benchmark: Tree- and forest structures (bioinformatics, bsd3, formal-languages, library)
Forestry library, test and benchmark: Comparison of trees and forests. (bioinformatics, bsd3, formal-languages, library)
ForkableT library: Forkable monad transformers (bsd3, control, library)
FormalGrammars library and test: (Context-free) grammars in formal language theory (bioinformatics, formal-languages, gpl, library)
Fortnite-Hack-Cheats-Free-V-Bucks-Generator library and tests: spam (bsd3, deprecated, library, web)
Foster program and benchmark: Utilities to generate and solve puzzles (data, mit, program)
FpMLv53 library: A binding for the Financial Products Markup Language (v5.3) (financial, library, xml)
FractalArt program: Generates colorful wallpapers (graphics, mit, program)
Fractaler program: (graphics, mit, program)
Frames library, tests and benchmarks: Data frames for working with tabular data files (bsd3, data, library)
Frames-beam library and test: A library for accessing Postgres tables as in-memory data structures. (bsd3, data, data-science, database, library)
Frames-dsv library and test: Alternative CSV parser for the Frames package (bsd3, data, library)
Frames-map-reduce library and test: Frames wrapper for map-reduce-folds and some extra folds helpers. (bsd3, data, library)
Frames-streamly library, program, test and benchmark: A streamly layer for Frames I/O (bsd3, data, library, program)
Frank program: An experimental programming language with typed algebraic effects (languages, program, public-domain)
FreeTypeGL library: Loadable texture fonts for OpenGL. (bsd3, deprecated, graphics, library)
FunGEn library and programs: A lightweight, cross-platform, OpenGL-based game engine. (bsd3, game, library, program)
Fungi program: Funge-98 interpreter written in Haskell (bsd3, compilers-interpreters, program)
GA library: Genetic algorithm library (ai, algorithms, bsd3, library, optimisation)
GGg program: GGg cipher (mit, program, text)
GHood library: A graphical viewer for Hood (bsd3, debug, library)
GLFW library: A Haskell binding for GLFW (bsd3, graphics, library)
GLFW-OGL library: A binding for GLFW (OGL) (bsd3, graphics, library)
GLFW-b library and test: Bindings to GLFW OpenGL library (bsd3, graphics, library)
GLFW-b-demo program: GLFW-b demo (bsd3, graphics, program)
GLFW-task library: GLFW utility functions to use together with monad-task. (bsd3, graphics, library)
GLHUI library: Open OpenGL context windows in X11 with libX11 (bsd3, graphics, library)
GLM library, programs and test: Simple Gridlab-D GLM parser and utilities. (language, library, mit, program)
GLMatrix library: Utilities for working with OpenGL matrices (gpl, graphics, library)
GLURaw library: A raw binding for the OpenGL graphics system (bsd3, graphics, library)
GLUT library: A binding for the OpenGL Utility Toolkit (bsd3, graphics, library)
GLUtil library: Miscellaneous OpenGL utilities. (bsd3, graphics, library)
GOST34112012-Hash library and test: Bindings to the GOST R 34.11-2012 hashing implementation (bsd2, codec, cryptography, library)
GPX library: Parse GPX files (bsd3, library, utils)
GPipe library: Typesafe functional GPU graphics programming (graphics, library, mit)
GPipe-Collada library: Load GPipe meshes from Collada files (bsd3, graphics, library)
GPipe-Core library, test and benchmark: Typesafe functional GPU graphics programming (graphics, library, mit)
GPipe-Examples programs: Examples for the GPipes package (graphics, program)
GPipe-GLFW library: GLFW OpenGL context creation for GPipe (graphics, library, mit)
GPipe-GLFW4 library, program, test and benchmark: GLFW OpenGL context creation for GPipe (graphics, library, mit, program)
GPipe-TextureLoad library: Load GPipe textures from filesystem (bsd3, graphics, library)
GTALib library and test: A library for GTA programming (bsd3, language, library)
Gamgine library: Some kind of game library or set of utilities. (bsd3, library)
Ganymede program: An Io interpreter in Haskell. (bsd3, language, program)
GaussQuadIntegration library: Non-adaptive Gaussian quadrature for numeric integraton (bsd3, library, math)
GeBoP program: Several games (bsd3, game, program)
GenI library, program and test: A natural language generator (specifically, an FB-LTAG surface realiser) (library, natural-language-processing, program)
GenSmsPdu library, program and test: Automatic SMS message generator (bsd3, library, program, testing)
GenZ library, programs, test and benchmarks: Generic Sequent Calculus Prover using the Zipper (gpl, library, logic, program)
Genbank library and program: Libary for processing the NCBI genbank format (bioinformatics, library, program)
Gene-CluEDO library, program and test: Hox gene clustering (bioinformatics, gpl, library, program)
GeneralTicTacToe program: A general TicTacToe game implementation. (game, mit, program)
GenericPretty library: A generic, derivable, haskell pretty printer. (bsd3, generics, library, pretty-printer, text)
GenussFold library, program and test: MCFGs for Genus-1 RNA Pseudoknots (bioinformatics, formal-languages, gpl, library, program)
GeoIp library: Pure bindings for the MaxMind IP database. (library, network)
GeocoderOpenCage library: Geocoder and Reverse Geocoding Service Wrapper (library, web)
Geodetic library: Geodetic calculations (bsd3, deprecated, library, utils)
GeomPredicates library: Geometric predicates (bsd3, library, math)
GeomPredicates-SSE library: Geometric predicates (Intel SSE) (bsd3, library, math)
Get library and test: get stuff out of stuff (bsd3, control, library)
GiST library: A Haskell implementation of a Generalized Search Tree (GiST) (data-structures, library)
Gifcurry library and programs: GIF creation utility. (application, bsd3, graphics, library, program)
GiveYouAHead library: to auto-do somethings (giveyouahead, library, mit)
Gleam library: HTML Canvas graphics, animations and simulations. (bsd3, graphics, library)
Glob library and test: Globbing library (bsd3, library, system)
GlomeTrace library: Ray Tracing Library (graphics, library)
GlomeVec library: Simple 3D vector library (graphics, library)
GlomeView program: SDL Frontend for Glome ray tracer (graphics, program)
GoogleChart library: Generate web-based charts using the Google Chart API (bsd3, graphics, library)
GoogleCodeJam library: A monad for flexible parsing of Google Code Jam input files with automatic parallelization. (library, mit, text)
GoogleDirections library: Haskell Interface to Google Directions API (bsd3, library, network)
GoogleSB library: Interface to Google Safe Browsing API (bsd3, library, security)
GoogleSuggest library: Interface to Google Suggest API (browser, gpl, library)
GoogleTranslate library: Interface to Google Translate API (gpl, language, library)
GotoT-transformers library: A monad and monadic transformer providing "goto" functionality (bsd3, control, library)
Grafos library: Grafos Haskell (bsd3, library, unclassified)
GrammarProducts library and test: Grammar products and higher-dimensional grammars (bioinformatics, formal-languages, gpl, library)
Graph500 library and program: Graph500 benchmark-related definitions and data set generator. (concurrency, gpl, library, program)
GraphHammer library: GraphHammer Haskell graph analyses framework inspired by STINGER. (concurrency, gpl, library)
GraphHammer-examples library and program: Test harness for TriangleCount analysis. (concurrency, gpl, library, program)
GraphSCC library: Tarjan's algorithm for computing the strongly connected components of a graph. (algorithms, bsd3, library)
Graphalyze library: Graph-Theoretic Analysis library. (algorithms, graphs, library)
Grempa library: Embedded grammar DSL and LALR parser generator (bsd3, library, parsing)
GroteTrap library and test: Parser and selection library for expression languages. (bsd3, language, library)
Grow library: A declarative make-like interpreter. (build, library)
GrowlNotify library and program: Notification utility for Growl. (bsd3, library, network, program)
Gtk2hsGenerics library: Convenience functions to extend Gtk2hs. (gui, library)
GtkGLTV library: OpenGL support for Gtk-based GUIs for Tangible Values (bsd3, library, user-interfaces)
GtkTV library: Gtk-based GUIs for Tangible Values (bsd3, library, user-interfaces)
GuiHaskell program: A graphical REPL and development environment for Haskell (bsd3, development, program)
GuiTV library: GUIs for Tangible Values (bsd3, interfaces, library, user-interfaces)
H program: The Haskell/R mixed programming environment. (bsd3, ffi, program)
HABQT library, program and test: Hierarchical adaptive Bayesian quantum tomography for quantum bits (bsd3, library, math, program, quantum)
HARM library and programs: A simple ARM emulator in haskell (compilers-interpreters, deprecated, library, program)
HAppS-Data library: HAppS data manipulation libraries (bsd3, deprecated, distributed-computing, library, web)
HAppS-IxSet library: (bsd3, deprecated, distributed-computing, library, web)
HAppS-Server library: Web related tools and services. (bsd3, deprecated, distributed-computing, library, web)
HAppS-State library: Event-based distributed state. (bsd3, deprecated, distributed-computing, library, web)
HAppS-Util library: Web framework (bsd3, deprecated, distributed-computing, library, web)
HAppSHelpers library: OBSOLETE. Please use happstack-helpers (bsd3, deprecated, library, web)
HCL library, program and test: High-level library for building command line interfaces. (bsd3, library, program, user-interfaces)
HCard library: A library for implementing a Deck of Cards (bsd3, game-, library)
HCodecs library and test: A library to read, write and manipulate MIDI, WAVE, and SoundFont2 files. (bsd3, codec, library)
HDBC library: Haskell Database Connectivity (bsd3, database, library)
HDBC-mysql library: MySQL driver for HDBC (database, library)
HDBC-odbc library: ODBC driver for HDBC (bsd3, database, library)
HDBC-postgresql library: PostgreSQL driver for HDBC (bsd3, database, library)
HDBC-postgresql-hstore library: Manipulate data in PostgreSQL "hstore" columns. (database, deprecated, library, mit)
HDBC-session library: Bracketed connection for HDBC (bsd3, database, library)
HDBC-sqlite3 library: Sqlite v3 driver for HDBC (bsd3, database, library)
HDRUtils library: Utilities for reading, manipulating, and writing HDR images (bsd3, graphics, library)
HERA library: (bsd3, library, math)
HExcel library: Create Excel files with Haskell (Excel, bsd3, data, library, spreadsheet, text)
HFitUI library, program and test: The library for generating a graphical interface on the web (bsd3, library, program, web)
HFrequencyQueue library: A Queue with a random (weighted) pick function (data, gpl, library)
HFuse library: HFuse is a binding for the Linux FUSE library. (bsd3, library, system)
HGE2D library, programs and test: 2D game engine written in Haskell (game, library, mit, program)
HGL library: A simple graphics library based on X11 or Win32 (bsd3, graphics, library)
HGamer3D library: Toolset for the Haskell Game Programmer (game-engine, library)
HGamer3D-API library: Library to enable 3D game development for Haskell - API (deprecated, game, library)
HGamer3D-Audio library: Toolset for the Haskell Game Programmer - Audio Functionality (deprecated, game-engine, library)
HGamer3D-Bullet-Binding library: Windows Game Engine for the Haskell Programmer - Bullet Bindings (deprecated, game-engine, library, physics)
HGamer3D-CAudio-Binding library: Library to enable 3D game development for Haskell - cAudio Bindings (deprecated, game, library)
HGamer3D-CEGUI-Binding library: A Toolset for the Haskell Game Programmer - CEGUI Bindings (deprecated, game-engine, gui, library)
HGamer3D-Common library: Toolset for the Haskell Game Programmer - Game Engine and Utilities (deprecated, game-engine, library)
HGamer3D-Data library: Toolset for the Haskell Game Programmer - Data Definitions (deprecated, game-engine, library)
HGamer3D-Enet-Binding library: Enet Binding for HGamer3D (deprecated, game-engine, library, network)
HGamer3D-GUI library: GUI Functionality for HGamer3D (deprecated, game-engine, library)
HGamer3D-Graphics3D library: Toolset for the Haskell Game Programmer - 3D Graphics Functionality (deprecated, game-engine, library)
HGamer3D-InputSystem library: Joystick, Mouse and Keyboard Functionality for HGamer3D (deprecated, game-engine, library)
HGamer3D-Network library: Networking Functionality for HGamer3D (deprecated, game-engine, library)
HGamer3D-OIS-Binding library: Library to enable 3D game development for Haskell - OIS Bindings (deprecated, game, library)
HGamer3D-Ogre-Binding library: Ogre Binding for HGamer3D (deprecated, game-engine, graphics, library)
HGamer3D-SDL2-Binding library: SDL2 Binding for HGamer3D (deprecated, game-engine, library)
HGamer3D-SFML-Binding library: SFML Binding for HGamer3D (audio, deprecated, game-engine, graphics, library)
HGamer3D-WinEvent library: Windowing and Event Functionality for HGamer3D (deprecated, game-engine, library)
HGamer3D-Wire library: Wire Functionality for HGamer3D (deprecated, game-engine, library)
HGraphStorage library, test and benchmark: Graph database stored on disk (bsd3, database, library)
HHDL library: Hardware Description Language embedded in Haskell. (bsd3, hardware, library)
HJScript library: HJScript is a Haskell EDSL for writing JavaScript programs. (bsd3, language, library, web)
HJVM library and test: A library to create a Java Virtual Machine and manipulate Java objects (bsd3, language, library)
HJavaScript library: HJavaScript is an abstract syntax for a typed subset of JavaScript. (bsd3, language, library)
HLearn-algebra library: Algebraic foundation for homomorphic learning (bsd3, data-mining, deprecated, library, machine-learning)
HLearn-approximation library: (bsd3, data-mining, data-structures, deprecated, library, machine-learning)
HLearn-classification library: (bsd3, data-mining, deprecated, library, machine-learning)
HLearn-datastructures library: (bsd3, data-mining, data-structures, deprecated, library, machine-learning)
HLearn-distributions library: Distributions for use with the HLearn library (bsd3, data-mining, deprecated, library, machine-learning, statistics)
HList library and tests: Heterogeneous lists (data, library, mit)
HListPP program: A preprocessor for HList labelable labels (bsd3, development, program)
HLogger library and program: Simple, concurrent and easy-to-use logging library (bsd3, concurrency, deprecated, library, logging, program)
HMM library: A hidden markov model library (algorithms, bsd3, data-mining, library, machine-learning)
HMap library: Fast heterogeneous maps and unconstrained typeable-like functionality. (bsd3, data, data-structures, library)
HMarkov library and test: Markov-generated sequences (bsd3, library, text)
HMock library and test: A flexible mock framework for testing effectful code. (bsd3, library, testing)
HNM library and program: Happy Network Manager (bsd3, library, network, program, system)
HNumeric library and test: Haskell Numeric Library with pure functionality, R & MATLAB Syntax. (bsd3, hnum, library, linearalgebra, numeric, statistics)
HODE library: Binding to libODE (bsd3, game, library, physics)
HOpenCV library and program: A binding for the OpenCV computer vision library (ai, gpl, graphics, library, program)
HPDF library, program and test: Generation of PDF documents (bsd3, graphics, library, program)
HPath library and program: Extract Haskell declarations by name. (bsd3, library, program, source-tools, text)
HPhone library and test: Phone number parser and validator - This is now DEPRECATED! (deprecated, library, text)
HPi library: GPIO, I2C, SPI, and PWM functions for the Raspberry Pi. (bsd3, library, system)
HPlot library and program: A minimal monadic PLplot interface for Haskell (bsd3, foreign, graphics, library, program)
HPong program: A simple OpenGL Pong game based on GLFW (game, program)
HQu library, tests and benchmark: quantitative finance library (finance, library, math, mit)
HROOT library: Haskell binding to the ROOT data analysis framework (graphics, lgpl, library, math, numerical, statistics)
HROOT-core library: Haskell binding to ROOT Core modules (graphics, lgpl, library, math, numerical, statistics)
HROOT-graf library: Haskell binding to ROOT Graf modules (graphics, lgpl, library, math, numerical, statistics)
HROOT-hist library: Haskell binding to ROOT Hist modules (graphics, lgpl, library, math, numerical, statistics)
HROOT-io library: Haskell binding to ROOT IO modules (graphics, lgpl, library, math, numerical, statistics)
HROOT-math library: Haskell binding to ROOT Math modules (graphics, lgpl, library, math, numerical, statistics)
HROOT-net library: Haskell binding to ROOT Net modules (lgpl, library, math, numerical, raphics, statistics)
HROOT-tree library: Haskell binding to ROOT Tree modules (graphics, lgpl, library, math, numerical, statistics)
HRay program: Haskell raytracer (bsd3, graphics, program)
HSFFIG library and programs: Generate FFI import declarations from C include files (bsd3, ffi-tools, library, program)
HSGEP library and program: Gene Expression Programming evolutionary algorithm in Haskell (ai, bsd3, library, program)
HSH library: Library to mix shell scripting with Haskell programs (library, system)
HSHHelpers library: Convenience functions that use HSH, instances for HSH. (library, system)
HSet library: Faux heterogeneous sets (bsd3, data, library)
HSlippyMap library: OpenStreetMap Slippy Map (bsd3, geography, library)
HSmarty library and test: Small template engine (bsd3, library, text)
HSoM library: Library for computer music education (bsd3, library, sound)
HSoundFile library: Audio file reading/writing (bsd3, codecs, deprecated, library, sound)
HStringTemplate library and test: StringTemplate implementation in Haskell. (bsd3, library, text)
HStringTemplateHelpers library: Convenience functions and instances for HStringTemplate (library, text)
HSvm library: Haskell Bindings for libsvm (bsd3, classification, datamining, library)
HTF library, program and tests: The Haskell Test Framework (lgpl, library, program, testing)
HTTP library and test: A library for client-side HTTP (bsd3, library, network)
HTTP-Simple library: DEPRECATED Enable simple wrappers to Network.HTTP (bsd3, deprecated, library, network)
HTab program: Tableau based theorem prover for hybrid logics (bsd3, program, theorem-provers)
HTicTacToe program: An SDL tic-tac-toe game. (game, graphics, mit, program)
HUnit library and test: A unit testing framework for Haskell (bsd3, library, testing)
HUnit-Diff library: Assertions for HUnit with difference reporting (bsd3, deprecated, library, testing)
HUnit-Plus library and test: A test framework building on HUnit. (bsd3, library, test, testing)
HUnit-approx library and test: Approximate equality for floating point numbers with HUnit (bsd3, library, testing)
HXMPP library and program: A (prototyped) easy to use XMPP library (bsd3, deprecated, library, network, program)
HXQ library: A Compiler from XQuery to Haskell (bsd3, library, xml)
HaGL library and test: Haskell-embedded OpenGL (graphics, library, mit)
HaLeX library and program: HaLeX enables modelling, manipulation and visualization of regular languages (data, library, program, public-domain)
HaMinitel library: An Haskell library to drive the french Minitel through a serial port (gpl, library, terminal)
HaPy library: Haskell bindings for Python (foreign, library, mit)
HaRe : the Haskell Refactorer. (bsd3, development, refactoring)
HaTeX library and tests: The Haskell LaTeX library. (bsd3, latex, library)
HaTeX-meta program: This package is deprecated. From version 3, HaTeX does not need this anymore. (bsd3, deprecated, program, text)
HaTeX-qq library: Quasiquoters for HaTeX (bsd3, library, text)
HaVSA library and program: An implementation of the Version Space Algebra learning framework. (ai, bsd3, library, program)
HaXPath library and tests: An XPath-generating embedded domain specific language. (bsd3, library, xml)
HaXml library and programs: Utilities for manipulating XML documents (lgpl, library, program, text, xml)
Hach library and programs: Simple chat (library, mit, network, program)
HackMail library and program: A Procmail Replacement as Haskell EDSL (bsd3, library, network, program)
Haggressive library and test: Aggression analysis for Tweets on Twitter (gpl, library, web)
HandlerSocketClient library: Haskell implementation of a HandlerSocket client (API). (bsd3, database, deprecated, library)
HandsomeSoup library and test: Work with HTML more easily in HXT (bsd3, library, text)
Hangman program: The classic game of Hangman (mit, program, unclassified)
HangmanAscii program: Yet another Hangman game. (bsd3, game, program)
HappyTree library and test: Type Safe and End to End Decision Tree (bsd3, data, library)
HarmTrace program: Harmony Analysis and Retrieval of Music (gpl, music, program)
HarmTrace-Base library and test: Parsing and unambiguously representing musical chords. (lgpl, library, music)
HasBigDecimal library, programs and test: A library for arbitrary precision decimal numbers. (apache, library, math, program)
HasCacBDD library and test: Haskell bindings for CacBDD (data, gpl, library)
HasChor library and programs: Functional choreographic programming in Haskell (bsd3, concurrency, library, program)
HasGP library: A Haskell library for inference using Gaussian processes (ai, classification, datamining, gpl, library, statistics)
Haschoo program: Minimalist R5RS Scheme interpreter (bsd3, compilers-interpreters, deprecated, program)
Hashell program: Simple shell written in Haskell (program, user-interfaces)
HaskRel library: HaskRel, Haskell as a DBMS with support for the relational algebra (database, gpl, library)
HaskellAnalysisProgram program and test: Haskell source code analysis program (apache, program, source-code-analysis)
HaskellForMaths library: Combinatorics, group theory, commutative algebra, non-commutative algebra (bsd3, library, math)
HaskellLM library: Pure Haskell implementation of the Levenberg-Marquardt algorithm (library, math)
HaskellNN library: High Performance Neural Network in Haskell (ai, library)
HaskellNet library: Client support for POP3, SMTP, and IMAP (bsd3, library, network)
HaskellNet-SSL library and program: Helpers to connect to SSL/TLS mail servers with HaskellNet (bsd3, library, network, program)
HaskellTorrent program: A concurrent bittorrent client (bsd3, network, program)
HaskellTutorials program: Haskell Tutorials by Evgeny Ukhanov (mit, program, tutorials)
Haskelloids program: A reproduction of the Atari 1979 classic "Asteroids" (bsd3, game, program)
Hastodon library: mastodon client module for Haskell (library, mit, web)
Hastructure library, program and test: Cashflow modeling library for structured finance (bsd3, cashflow, library, program, securitisation, structuredfinance, structuredfinancesecuritisationcashflow)
Hate library and programs: A small 2D game framework. (graphics, library, mit, program)
Hawk library: Haskell Web Application Kit (bsd3, library, web)
Hayoo programs: The Hayoo! search engine for Haskell API search on hackage (data, mit, program, text)
Hclip library: A small cross-platform library for reading and modifying the system clipboard. (bsd3, library, system)
Hedi library and program: Line oriented editor (bsd3, editor, library, program)
HerbiePlugin library and tests: automatically improve your code's numeric stability (bsd3, library, math)
Hermes library: Message-based middleware layer (bsd3, deprecated, library, middleware, network)
Hieroglyph library: Purely functional 2D graphics for visualization. (bsd3, graphics, library)
HiggsSet library: A multi-index set with advanced query capabilites (bsd3, data, deprecated, library)
Hipmunk library: A Haskell binding for Chipmunk. (deprecated, game, library, physics)
Hipmunk-Utils library and test: Useful functions for Hipmunk (bsd3, game, library, physics)
HipmunkPlayground program: A playground for testing Hipmunk. (game, physics, program)
Hish library and program: (bsd3, command-line, console, library, program, shell)
Histogram library: (bsd3, charts, library)
Hmpf program: An MPD client designed for a Home Theatre PC (application, program)
Hoed library and tests: Lightweight algorithmic debugging. (bsd3, debug, library, trace)
HoleyMonoid library: Monoids with holes. (bsd3, data-structures, library)
Holumbus-Distribution library and programs: intra- and inter-program communication (distributed-computing, library, network, program)
Holumbus-MapReduce library and programs: a distributed MapReduce framework (distributed-computing, library, program)
Holumbus-Searchengine library: A search and indexing engine. (data, library, mit, text)
Holumbus-Storage library and programs: a distributed storage system (distributed-computing, library, program)
Homology library: Compute the homology of a chain complex (library, math)
HongoDB library and test: A Simple Key Value Store (bsd3, database, library)
HostAndPort library, tests and benchmark: Parser for host and port pairs like localhost:22 (library, mit, network)
Hricket program: A Cricket scoring application. (bsd3, game, program)
Hs2lib library, programs and tests: A Library and Preprocessor that makes it easier to create shared libs from Haskell programs. (bsd3, development, library, program)
HsASA library: A haskell interface to Lester Ingber's adaptive simulating annealing code (bsd3, library, math)
HsHTSLib library and test: Bindings to htslib. (bio, library, mit)
HsHaruPDF library: Haskell binding to libharu (http://libharu.sourceforge.net/) (bsd3, graphics, library)
HsHyperEstraier library: HyperEstraier binding for Haskell (library, public-domain, text)
HsJudy library: Judy bindings, and some nice APIs (bsd3, data, library)
HsOpenSSL library and tests: Partial OpenSSL binding for Haskell (cryptography, library, public-domain)
HsOpenSSL-x509-system library: Use the system's native CA certificate store with HsOpenSSL (bsd3, filesystem, library, system)
HsParrot library: Haskell integration with Parrot virtual machine (bsd3, language, library, pugs)
HsPerl5 library: Haskell interface to embedded Perl 5 interpreter (bsd3, language, library, pugs)
HsSVN library: Partial Subversion (SVN) binding for Haskell (development, library, public-domain, system)
HsSyck library: Fast, lightweight YAML loader and dumper (library, mit, pugs, text)
HsTools library: Haskell helper functions (bsd3, generic, library)
HsWebots library and test: Webots bindings for Haskell (library, mit, robotics)
HsYAML library and test: Pure Haskell YAML 1.2 processor (gpl, library, text)
HsYAML-aeson library: JSON to YAML Adapter (codec, gpl, json, library, text, web, yaml)
Hsed library and program: Stream Editor in Haskell (bsd3, editor, library, program)
Hsmtlib library: Haskell library for easy interaction with SMT-LIB 2 compliant solvers. (bsd3, library, smt----------)
HueAPI library: API for controlling Philips Hue lights (bsd3, deprecated, hardware, library)
HulkImport library, program and test: Easily bulk import CSV data to SQL Server (bsd3, data, library, program)
Hungarian-Munkres library, test and benchmark: A Linear Sum Assignment Problem (LSAP) solver (algorithms, gpl, library)
Hydrogen library, program and test: The library for generating a WebGL scene for the web (bsd3, library, program, web)
HyloDP library, programs and test: A package for solving dynamic programming problems in Haskell (bsd3, dynamic-programming, library, program, recursion)
I1M library and test: Code for the Haskell course taught at the University of Seville. (data-structures, education, gpl, library)
IDynamic library: Indexable, serializable form of Data.Dynamic (bsd3, data, library)
IFS library and program: Iterated Function System generation for Haskell (bsd3, graphics, library, program)
INblobs program: Editor and interpreter for Interaction Nets (compilers-interpreters, program)
IOR library: Region based resource management for the IO monad. (bsd3, library, monadic-regions, system)
IORefCAS library and test: Atomic compare and swap for IORefs and STRefs. (bsd3, data, deprecated, library)
IOSpec library: A pure specification of the IO monad. (bsd3, library, testing)
IPv6Addr library and test: Library to deal with IPv6 address text representations. (bsd3, library, network)
IPv6DB library, program and test: A RESTful microService for IPv6-related data (bsd3, database, library, network, program)
IStr library: String Interpolation of Haskell expressions using #{expr} syntax (library, mit, text)
IcoGrid library: Library for generating grids of hexagons and pentagons mapped to a sphere. (graphics, library)
IfElse library: Anaphoric and miscellaneous useful control-flow (bsd3, control, library)
Imlib library: (bsd3, graphics, library)
ImpSpec library and test: Imperative approach to testing stateful applications. ImpSpec is built on top of HSpec and QuickCheck. (apache, library, testing)
ImperativeHaskell library: A library for writing Imperative style haskell. (control, development, embedded, gpl, language, library)
IndentParser library: Combinators for parsing indentation based syntatic structures (deprecated, library, parsing)
IndexedList library: Length- and element-indexed lists sitting somewhere between homogeneous and fully heterogeneous. (bsd3, data, library)
Infinitree library and benchmark: Infinitely deep trees for lazy stateless memoization (agpl, cache, caching, data-structures, library)
InfixApplicative library: liftA2 for infix operators. (bsd3, control, library)
IntFormats library and test: Convert integers in various bases to and from strings (library, mpl, text)
IntGraph library and test: Dynamically sized graph library (bsd3, data-structure, library)
InternedData library, test and benchmark: Data interning (with compact regions where possible) (bsd3, data, data-structures, library, natural-language-processing)
Interpolation library: Multiline strings, interpolation and templating. (data, library, text)
Interpolation-maxs library: Multiline strings, interpolation and templating. (data, library, text)
IntervalMap library, tests and benchmarks: Containers for intervals, with efficient search. (bsd3, data, library)
Irc library and test: DSL for IRC bots (gpl, library, network)
IrrHaskell library: Haskell FRP binding to the Irrlicht game engine. (ffi, game-engine, graphics, library)
IsNull library and test: A typeclass to determine if a given value is null. (bsd3, data, library)
JSON-Combinator library: A combinator library on top of a generalised JSON type (bsd3, combinators, deprecated, json, library)
JSON-Combinator-Examples library: Example uses of the JSON-Combinator library. (bsd3, combinators, deprecated, library)
JSONParser library: Parse JSON (bsd3, library, text)
JSONb library: JSON parser that uses byte strings. (bsd3, library, text)
JYU-Utils library: Some utility functions for JYU projects (library, mit, utility)
JackMiniMix library: control JackMiniMix (deprecated, gpl, library, sound)
Javasf program: A utility to print the SourceFile attribute of one or more Java class files. (bsd3, deprecated, language, program)
Javav program: A utility to print the target version of Java class files. (bsd3, deprecated, language, program)
Jazzkell library: Library for modeling jazz improvisation. (library, music)
Jdh library: A Json implementation for Haskell, with JavaScript Values and Encoding/Decoding (data, library, mit)
Jikka library, program and tests: A transpiler from Python to C++ for competitive programming (compilers-interpreters, library, program)
JsContracts library and program: Design-by-contract for JavaScript (bsd3, language, library, program)
JsonGrammar library and test: Combinators for bidirectional JSON parsing (bsd3, json, language, library)
JuPyTer-notebook library and program: JuPyTer notebook parser (bsd3, data, library, program)
JuicyCairo library and test: To use images of JuicyPixels from Cairo (bsd3, graphics, library)
JuicyPixels library: Picture loading/serialization (in png, jpeg, bitmap, gif, tga, tiff and radiance) (bsd3, codec, graphics, image, library)
JuicyPixels-blp library and program: BLP format decoder/encoder over JuicyPixels library (bsd3, codec, graphics, image, library, program)
JuicyPixels-blurhash library, program and tests: Blurhash is a very compact represenation of a placeholder for an image (bsd3, graphics, image, library, program)
JuicyPixels-canvas library: Functions for drawing lines, squares and so on pixel by pixel (bsd3, graphics, library)
JuicyPixels-extra library, test and benchmark: Efficiently scale, crop, flip images with JuicyPixels (bsd3, graphics, image, library)
JuicyPixels-jpeg-turbo library and test: JuicyPixels wrappers for libjpeg-turbo (bsd3, codec, image, library)
JuicyPixels-repa library: Convenience functions to obtain array representations of images. (bsd3, graphics, library)
JuicyPixels-scale-dct library and test: Scale JuicyPixels images with DCT (bsd3, graphics, image, library)
JuicyPixels-stbir library: Scale JuicyPixels images with stb_image_resize (bsd3, graphics, image, library)
JuicyPixels-util library: Convert JuicyPixel images into RGBA format, flip, trim and so on (bsd3, control, library)
JunkDB library: (bsd3, database, library)
JunkDB-driver-gdbm library: (bsd3, database, library)
JunkDB-driver-hashtables library: (bsd3, database, library)
JustParse library: A simple and comprehensive Haskell parsing library (library, public-domain, text)
KMP library and test: Knuth–Morris–Pratt string searching algorithm (algorithms, bsd3, library)
KSP library: A library with the kerbal space program universe and demo code (library, public-domain, testing)
Kalman library: A slightly extended Kalman filter (bsd3, deprecated, library, math)
Kawaii-Parser library: A simple parsing library and some additional utilities. (bsd3, library, monad-transformers, parsing, tokenisation, utilities)
KdTree library and test: KdTree, for efficient search in K-dimensional point clouds. (bsd3, data-mining, data-structures, graphics, library, machine-learning)
Ketchup library: A super small web framework for those who don't like big and fancy codebases (ketchup, library, mit, web)
KiCS library and programs: A compiler from Curry to Haskell (compiler, library, program)
KiCS-debugger library and program: debug features for kics (debug, library, program)
KiCS-prophecy library and program: a transformation used by the kics debugger (debug, library, program)
Kleislify library: Variants of Control.Arrow functions, specialised to kleislis. (bsd3, control, library)
Konf library: A configuration language and a parser. (deprecated, library, text)
Kriens library: Category for Continuation Passing Style (bsd3, control, library)
Kulitta library: Library for automated composition and musical learning (library, sound)
KyotoCabinet library: Kyoto Cabinet DB bindings (bsd3, database, library)
L-seed library and program: Plant growing programming game (bsd3, game, library, program)
LATS library: Linear Algebra on Typed Spaces (bsd3, library, numeric)
LC3 program: LC-3 virtual machine (bsd3, language, program)
LDAP library and test: Haskell binding for C LDAP API (bsd3, library, network)
LDAPv3 library and test: Lightweight Directory Access Protocol (LDAP) version 3 (gpl, library, network)
LPFP library and programs: Code for the book Learn Physics with Functional Programming (bsd3, library, physics, program)
LPFP-core library: Code for the book Learn Physics with Functional Programming (bsd3, library, physics)
LPPaver library, program and test: An automated prover targeting problems that involve nonlinear real arithmetic (formal-methods, library, math, mathematics, maths, mpl, program, theorem-provers, verification)
LParse library and test: A continuation-based parser library (library, mit, parsing)
LR-demo library and program: LALR(1) parsetable generator and interpreter (bsd3, library, parsing, program)
LRU library: Implements an LRU data structure (bsd3, deprecated, library, unclassified)
LTS library, program, test and benchmark: LTS: Labelled Transition System (library, mit, program, state-machines)
LTree library: Tree with only leaves carrying the data. (data, library, public-domain)
LambdaCalculator program: A basic lambda calculator with beta reduction and a REPL (bsd3, language, program)
LambdaDB library, program and test: On-memory Database using Lambda Function environment. (bsd3, database, library, program)
LambdaDesigner library: A type-safe EDSL for TouchDesigner written in Haskell. (bsd3, library, touchdesigner)
LambdaHack library, program and test: A game engine library for tactical squad ASCII roguelike dungeon crawlers (bsd3, game, game-engine, library, program, roguelike)
LambdaINet program: Graphical Interaction Net Evaluator for Optimal Evaluation (application, bsd3, program)
LambdaNet library: A configurable and extensible neural network library (library, machine-learning, mit)
LambdaPrettyQuote library and test: Quasiquoter, and Arbitrary helpers for the lambda calculus. (bsd3, language, library)
LambdaShell program: Simple shell for evaluating lambda expressions (compilers-interpreters, program)
Lambdajudge library and test: A library to easily host Haskell based programming competitions (development, library, mit)
Lambdaya library: Library for RedPitaya (lgpl, library, system)
LargeCardinalHierarchy library: A transfinite cardinal arithmetic library including all known large cardinals (library, math, mathematics, maths, set-theory)
Lastik library: A library for compiling programs in a variety of languages (bsd3, deprecated, development, library)
Lattices library and test: A library for lattices (library, math)
Lazy-Pbkdf2 library, test and benchmark: Lazy PBKDF2 generator. (cryptography, library, mit)
LazyVault program: A simple sandboxing tool for Haskell packages. (deprecated, development, gpl, program)
Learning library, programs and test: The most frequently used machine learning tools (bsd3, library, machine-learning, program)
LetsBeRational library: European option implied vol calculation (finance, library, math, mit, numeric, quant)
Level0 program: A Snake II clone written using SDL. (game, gpl, program)
LibClang library: Haskell bindings for libclang (a C++ parsing library) (bsd3, language, library)
LibZip library and test: Bindings to libzip, a library for manipulating zip archives. (bsd3, codec, foreign, library)
Limit library: Wrapper for data that can be unbounded (data, library, mit)
LinearSplit library: Partition the sequence of items to the subsequences in the order given (algorithms, bsd3, library)
LinguisticsTypes library, test and benchmark: Collection of types for natural language (bsd3, library, natural-language-processing)
LinkChecker program: Check a bunch of local html files for broken links (bsd3, program, web)
Liquorice library and test: Algorithmic Doom map generation (game, gpl, library)
List library: List monad transformer and class (bsd3, control, library)
ListLike library and test: Generalized support for list-like structures (bsd3, bytestring, library, list, string, text, vector)
ListT library and test: List transformer (bsd3, control, deprecated, library)
ListTree library: Trees and monadic trees expressed as monadic lists where the underlying monad is a list (algorithms, bsd3, library)
ListWriter library and test: define a list constant using Monadic syntax other than overhead [,] (bsd3, library, syntax)
ListZipper library: Simple zipper for lists (bsd3, data, library)
LiterateMarkdown library, program and test: Converter to convert from .lhs to .md and vice versa. (library, mit, productivity, program)
Logic library: Logic (library, math, mit)
LogicGrowsOnTrees library, tests and benchmarks: a parallel implementation of logic programming using distributed tree exploration (bsd3, control, distributed-computing, library, logic, parallelism)
LogicGrowsOnTrees-MPI library: an adapter for LogicGrowsOnTrees that uses MPI (bsd3, control, distributed-computing, library, logic, parallelism)
LogicGrowsOnTrees-network library and test: an adapter for LogicGrowsOnTrees that uses multiple processes running in a network (bsd3, control, distributed-computing, library, logic, parallelism)
LogicGrowsOnTrees-processes library, test and benchmark: an adapter for LogicGrowsOnTrees that uses multiple processes for parallelism (bsd3, control, distributed-computing, library, logic, parallelism)
LslPlus program: An execution and testing framework for the Linden Scripting Language (LSL) (bsd3, language, program)
Lucu library: HTTP Daemonic Library (library, network, public-domain)
Lykah library and program: A static website and blog generator (library, mit, program, web)
MASMGen library and test: Generate MASM code from haskell (development, lgpl, library)
MBot library: Haskell interface for controlling the mBot educational robot (educational, gpl, library)
MC-Fold-DP library and program: Folding algorithm based on nucleotide cyclic motifs. (bioinformatics, gpl, library, program)
MFlow library: stateful, RESTful web framework (application-server, bsd3, library, web)
MHask library: The category of monads (bsd3, control, library)
MIP library and test: Library for using Mixed Integer Programming (MIP) (algorithms, bsd3, library, math, optimisation, optimization)
MIP-glpk library and test: A GLPK backend to the MIP library. (algorithms, gpl, library, math, optimisation, optimization)
MSQueue library: Michael-Scott queue. (bsd3, data, library)
MTGBuilder program: Builds decks out of a meta (mit, program, unclassified)
MagicHaskeller library and programs: Automatic inductive functional programmer by systematic search (bsd3, language, library, program)
MailchimpSimple library: Haskell library to interact with Mailchimp JSON API Version 3.0 (bsd3, library, web)
Mantissa library and test: Reals in the interval [0,1), as machine words (bsd3, library, numeric)
Map library and test: Class of key-value maps (bsd3, data, deprecated, library)
MapWith library, tests and benchmarks: mapWith: like fmap, but with additional parameters (isFirst, isLast, etc). (bsd3, combinators, library)
Mapping library: Mapping (agpl, data, library)
MaybeT library: MaybeT monad transformer (bsd3, control, library)
MaybeT-monads-tf library: MaybeT monad transformer compatible with monads-tf (deprecated) (bsd3, control, deprecated, library)
MaybeT-transformers library: MaybeT monad transformer using transformers instead of mtl. (bsd3, control, library)
MazesOfMonad program: Console-based Role Playing Game (bsd3, game, program)
MeanShift library: Mean shift algorithm (bsd3, library, math)
Measure library: A library for units of measurement (bsd3, data, library)
Mecha library: mecha are the most complex composite machines known to humanity, lets build them well! (bsd2, concurrency, control, data, library, network, system)
Mechs library: mecha are the most complex composite machines known to humanity, lets build them well! (bsd2, concurrency, control, data, library, network, system)
MemoTrie library: Trie-based memo functions (bsd3, data, library)
MetaHDBC library: Statically checked database access (database, library)
MetaObject library: A meta-object system for Haskell based on Perl 6 (bsd3, development, library, pugs)
Metrics library: Evaluation metrics commonly used in supervised machine learning (bsd3, library, statistics)
Mhailist program: Haskell mailing list manager (bsd3, network, program)
Michelangelo library: OpenGL for dummies (graphics, library, mit)
MicroCabal program: A partial Cabal replacement (apache, language, program)
MicroHs program: A small compiler for Haskell (apache, language, program)
MicrosoftTranslator library: Interface for Microsoft Translator (bsd3, language, library)
MiniAgda library, program and test: A toy dependently typed programming language with type-based termination. (dependent-types, library, mit, program)
MissingH library and test: Large utility library (bsd3, library, unclassified)
MissingK library: Useful types and definitions missing from other libraries (bsd3, development, library)
MissingM library and test: findM and other missing 'M's (bsd3, control, library)
MissingPy library: Haskell interface to Python (library, mit, unclassified)
Mobile-Legends-Hack-Cheats library and tests: spam (bsd3, deprecated, library, web)
Modulo library: Modular arithmetic via Numeric-Prelude (gpl, library, math)
Moe library and program: A FRP library based on signal functions. (bsd3, frp, library, program)
MoeDict library: Utilities working with MoeDict.tw JSON dataset (library, public-domain, text)
MonadCatchIO-mtl library: Monad-transformer version of the Control.Exception module (bsd3, control, deprecated, library)
MonadCatchIO-mtl-foreign library: Polymorphic combinators for working with foreign functions (bsd3, control, deprecated, library)
MonadCatchIO-transformers library: Monad-transformer compatible version of the Control.Exception module (bsd3, control, deprecated, library)
MonadCatchIO-transformers-foreign library: Polymorphic combinators for working with foreign functions (bsd3, control, deprecated, library)
MonadCompose library: Methods for composing monads. (bsd3, library, monad)
MonadLab library and program: Automatically generate layered monads (bsd3, library, monads, program)
MonadPrompt library: MonadPrompt, implementation & examples (bsd3, control, library)
MonadRandom library: Random-number generation monad. (bsd3, control, library)
MonadRandomLazy library: Lazy monad for psuedo random-number generation. (bsd3, control, library)
MonadStack library: Generalizing lift to monad stacks (bsd2, control, library)
Monadius program: 2-D arcade scroller (game, program)
Monadoro library, program and test: A minimalistic CLI Pomodoro timer. (library, mit, program, tools)
Monaris program: A simple tetris clone (bsd3, game, program)
Monatron library: Monad transformer library with uniform liftings (bsd3, control, library)
Monatron-IO library: MonadIO instances for the Monatron transformers. (bsd3, control, library)
Mondrian library, programs and test: Renders backgrounds & borders (gpl, graphics, library, program)
Monocle library: Symbolic computations in strict monoidal categories with LaTeX output. (bsd3, library, math)
MorseCode library: Morse code (gpl, library, text)
MuCheck library and test: Automated Mutation Testing (gpl, library, testing)
MuCheck-HUnit library and program: Automated Mutation Testing for HUnit tests (gpl, library, program, testing)
MuCheck-Hspec library and program: Automated Mutation Testing for Hspec tests (gpl, library, program, testing)
MuCheck-QuickCheck library and program: Automated Mutation Testing for QuickCheck tests (gpl, library, program, testing)
MuCheck-SmallCheck library and program: Automated Mutation Testing for SmallCheck tests (gpl, library, program, testing)
MultiChor library: Type-safe and efficient choreographies with location-set polymorphism. (bsd3, distributed-computing, library)
MultipletCombiner library and test: A Haskell implementation for combining SU(n) multiplets (bsd3, groups, library, math, physics, science)
Munkres library: Munkres' assignment algorithm (hungarian method) (algorithms, bsd3, library)
Munkres-simple library: Simple and typesafe layer over the Munkres package. (algorithms, bsd3, library)
MusicBrainz library: interface to MusicBrainz XML2 and JSON web services (gpl, library, network)
MusicBrainz-libdiscid library: Binding to libdiscid by MusicBrainz (audio, ffi, library, sound)
MutationOrder library, program and test: Most likely order of mutation events in RNA (bioinformatics, gpl, library, program)
MyPrimes library, program and benchmark: Generate all primes (data, library, mit, program)
NGLess library, program, test and benchmark: NGLess implements ngless, a DSL for processing sequencing data (domain-specific-language, library, mit, program)
NGrams program: Simple application for calculating n-grams using Google. (bsd3, natural-language-processing, program)
NMap library: A transparent nested Map structure (data, library)
NTRU library: NTRU Cryptography (cryptography, library, math)
NXT library, programs and test: A Haskell interface to Lego Mindstorms NXT (lgpl, library, program, robotics)
NXTDSL library and program: Generate NXC Code from DSL (bsd3, compilers-interpreters, language, library, program)
NaCl library and test: Easy-and-safe-to-use high-level Haskell bindings to NaCl (cryptography, library, mpl)
NameGenerator library: A name generator written in Haskell (gpl, library, text)
NanoID library and program: NanoID generator (bsd3, data, library, program, random)
NanoProlog library and program: Very small interpreter for a Prolog-like language (bsd3, language, library, program)
Naperian library: Naperian Functors for APL-like programming (library, math)
NaperianNetCDF library and program: Instances of NcStore for hypercuboids (bsd3, library, math, program)
NaturalLanguageAlphabets library, test and benchmark: Simple scoring schemes for word alignments (bsd3, library, natural-language-processing)
NaturalSort : Natural sorting for strings (bsd3, deprecated, text)
NearContextAlgebra program: Context Algebra of near (bsd3, math, program)
Neks library and programs: Simple networked key/value store (database, library, mit, program)
NestedFunctor library: Nested composition of functors with a type index tracking nesting. (bsd3, data, library)
NestedSampling library: A port of John Skilling's nested sampling C code to Haskell. (gpl, library, statistics)
NetSNMP library and test: Bindings for net-snmp's C API for clients (bsd3, library, network)
Network-NineP library: High-level abstraction over 9P protocol (library, network)
NewBinary library: A binary I/O library (data, library)
NineP library: 9P2000 in pure Haskell (bsd3, data, library)
Ninjas program: Ninja game (bsd3, game, program)
NoHoed library: Placeholder package to preserve debug ability via conditional builds (bsd3, debugging, library)
NoSlow programs: Microbenchmarks for various array libraries (bsd3, development, profiling, program)
NoTrace library and test: Remove all the functions come from Debug.Trace after debugging (development, library, mit)
Noise library: A Haskell coherent noise generator based on libnoise (bsd3, graphics, library, math, noise)
Nomyx program: A Nomic game in haskell (bsd3, deprecated, game, program)
Nomyx-Core library: A Nomic game in haskell (bsd3, deprecated, game, library)
Nomyx-Language library: Language to express rules for Nomic (bsd3, deprecated, language, library)
Nomyx-Rules library: Language to express rules for Nomic (bsd3, deprecated, language, library)
Nomyx-Web library: Web gui for Nomyx (bsd3, deprecated, game, library)
NonEmpty library: Library providing a non-empty list datatype, and total functions operating on it (bsd3, data, library)
NonEmptyList library: A list with a length of at least one. (bsd3, data, deprecated, library)
NumInstances library: Instances of numeric classes for functions and tuples (bsd3, data, library)
NumLazyByteString library: Num, Enum, Eq, Integral, Ord, Real, and Show instances for Lazy ByteStrings (bsd3, data, deprecated, library)
NumberSieves library: Number Theoretic Sieves: primes, factorization, and Euler's Totient (bsd3, library, math)
NumberTheory library and test: A library for number theoretic computations, written in Haskell. (gpl, library, math)
Numbers library: An assortment of number theoretic functions (algorithms, library, number-theory)
Nussinov78 library and program: Nussinov78 using the ADPfusion library. (bioinformatics, gpl, library, program)
Nutri library: A little library to calculate nutrition values of food items. (library, public-domain, utils)
OGDF library: Haskell binding to OGDF (bsd2, graphs, library)
OGL library: A context aware binding for the OpenGL graphics system (bsd3, graphics, library)
ONC-RPC library and program: ONC RPC (aka Sun RPC) and XDR library (apache, library, network, program)
OSM library: Parse OpenStreetMap files (bsd3, library, utils)
OTP library and test: HMAC-Based and Time-Based One-Time Passwords (HOTP & TOTP) (cryptography, library, mit)
Object library: Object oriented programming for haskell using multiparameter typeclasses. (apache, control, data, library)
ObjectIO library: (bsd3, library, unclassified)
ObjectName library: Explicitly handled object names (bsd3, data, library)
Obsidian library: Embedded language for GPU Programming (bsd3, language, library)
Octree library, test and benchmark: Simple unbalanced Octree for storing data about 3D points (bsd3, data, library)
OddWord library, test and benchmark: Provides a wrapper for deriving word types with fewer bits. (bsd3, data, library)
Omega library and test: Integer sets and relations using Presburger arithmetic (bsd3, data, library)
OnRmt library, programs and test: Text UI library for performing parallel remote SSH operations (bsd3, library, program, system)
OneTuple library and tests: Singleton Tuple (bsd3, data, library)
Only library: The 1-tuple type or single-value "collection" (bsd3, data, library)
OpenAFP library: IBM AFP document format parser and generator (data, library, public-domain)
OpenAFP-Utils programs: Assorted utilities to work with AFP data streams (data, program, public-domain)
OpenAL library: A binding to the OpenAL cross-platform 3D audio API (bsd3, library, sound)
OpenCL library and test: Haskell high-level wrapper for OpenCL (bsd3, ffi, gpu, graphics, library)
OpenCLRaw library: The OpenCL Standard for heterogenous data-parallel computing (bsd3, graphics, library)
OpenCLWrappers library: The OpenCL Standard for heterogenous data-parallel computing (bsd3, ffi, library)
OpenGL library: A binding for the OpenGL graphics system (bsd3, graphics, library)
OpenGLCheck library: Quickcheck instances for various data structures. (bsd3, graphics, library)
OpenGLRaw library: A raw binding for the OpenGL graphics system (bsd3, graphics, library)
OpenGLRaw21 library: The intersection of OpenGL 2.1 and OpenGL 3.1 Core (deprecated, graphics, library)
OpenSCAD library and test: ADT wrapper and renderer for OpenSCAD models. (bsd3, graphics, library)
OpenVG library: OpenVG (ShivaVG-0.2.1) binding (bsd3, graphics, library)
OpenVGRaw library: Raw binding to OpenVG (ShivaVG-0.2.1 implementation). (bsd3, graphics, library)
Operads library: Groebner basis computation for Operads. (bsd3, library, math)
OptDir library: The OptDir type for representing optimization directions. (bsd3, data, library, optimisation, optimization)
OrPatterns library: A quasiquoter for or-patterns (bsd3, development, library)
OrchestrateDB library and tests: Unofficial Haskell Client Library for the Orchestrate.io API (bsd3, database, library)
OrderedBits library, test and benchmark: Efficient ordered (by popcount) enumeration of bits (bsd3, data, library)
Ordinals library: Ordinal arithmetic (bsd3, library, math)
Ordinary library, program and test: A Programming Language in Construction (bsd3, language, library, program)
Oslo-Vectize program: spam (bsd3, deprecated, program, spam)
PArrows library: Arrow parser combinators similar to Parsec (bsd3, library, parsing)
PBKDF2 library: Make password-based security schemes more secure. (bsd3, cryptography, deprecated, library)
PCLT library: Extension to Show: templating, catalogizing, languages, parameters, etc. (deprecated, library, text)
PCLT-DB library: An addon to PCLT package: enchance PCLT catalog with PostgreSQL powers. (database, deprecated, library)
PDBtools library: A library for analysis of 3-D protein coordinates (bioinformatics, gpl, library)
PPrinter library: A generic derivable Haskell pretty printer (bsd3, generics, library, pretty-printer, text)
PSQueue library and test: Priority Search Queue (bsd3, data-structures, library)
PTQ programs: An implementation of Montague's PTQ. (natural-language-processing, program)
PUH-Project library: This is a package which includes Assignments, Email, User and Reviews modules for Programming in Haskell course. (bsd3, data, library)
PageIO library and program: Page-oriented extraction and composition library (bsd3, library, program, text)
Paillier library and test: a simple Paillier cryptosystem (bsd3, library, math)
PandocAgda library and program: Pandoc support for literate Agda (bsd3, dependent-types, deprecated, library, program)
Paraiso library and test: a code generator for partial differential equations solvers. (bsd3, language, library)
Parallel-Arrows-BaseSpec library and test: BaseSpecs used for @Parallel-Arrows-Definition@ and Co. (arrows, library, mit, parallelism)
Parallel-Arrows-Definition library: Multithreaded evaluation using Arrows. (arrows, library, mit, parallelism)
Parallel-Arrows-Eden library and test: Eden based backend for @Parallel-Arrows-Definition@. (arrows, library, mit, parallelism)
Parallel-Arrows-Multicore library and test: GpH based backend for @Parallel-Arrows-Definition@ in a multicore variant. (arrows, library, mit, parallelism)
Parallel-Arrows-ParMonad library and test: Par Monad (@monad-par@) based backend for @Parallel-Arrows-Definition@. (arrows, library, mit, parallelism)
Parry library: A proven synchronization server for high performance computing. (gpl, library, parry)
ParsecTools library: Parsec combinators for more complex objects. (gpl, library, parsing)
ParserFunction library: Parse and evaluate mathematical expressions. (bsd3, deprecated, library, math, parsing)
PartialTypeSignatures library: emulate partial type signatures with template haskell (bsd3, development, library)
PasswordGenerator library: Simple library for generating passwords (cryptography, library, mit)
PastePipe library and program: CLI for pasting to lpaste.net (gpl, library, program, utils)
PathTree library and test: A tree used to merge and maintain paths (bsd3, data, library)
Pathfinder library: Relational optimiser and code generator (bsd3, database, ffi, library)
Peano library: simple Peano numbers (bsd3, data, library)
PeanoWitnesses library: GADT type witnesses for Peano-style natural numbers. (bsd3, data, library)
PenroseKiteDart library, test and benchmark: Library to explore Penrose's Kite and Dart Tilings. (Diagrams, bsd3, graphics, library)
PerfectHash library: A perfect hashing library for mapping bytestrings to values. (bsd3, data, data-structures, deprecated, library)
PermuteEffects library: Permutations of effectful computations (bsd3, control, library)
Persistence library and test: A versatile library for topological data analysis. (bsd3, data, library, math)
Phsu program: Personal Happstack Server Utils (gpl, program, web)
Pipe library: Process piping library (bsd3, deprecated, library, system)
Piso library: Partial isomorphisms (bsd3, data, library)
PlayHangmanGame program: Play Hangman Game (bsd3, game, program)
PlayingCards library: Playing cards api (bsd3, game, library)
Plot-ho-matic library: Real-time line plotter for generic data (bsd3, graphics, library)
PlslTools program: So far just a lint like program for PL/SQL. Diff and refactoring tools are planned (bsd3, pl-sql-tools, program)
Plural library: Pluralize English words (gpl, language, library)
Pollutocracy program: An imaginary world (game, program)
PortFusion program: high-performance distributed reverse / forward proxy & tunneling for TCP (gpl, network, program, system)
PortMidi library: A binding for PortMedia/PortMidi (bsd3, library, sound)
PortMidi-simple library: Simplified PortMidi wrapper (bsd3, library, sound)
PostgreSQL library: Thin wrapper over the C postgresql library (database, library)
Prelude library: A Prelude module replacement (bsd3, library, prelude)
PrimitiveArray library, test and benchmark: Efficient multidimensional arrays (bsd3, data, library)
PrimitiveArray-Pretty library and test: Pretty-printing for primitive arrays (bsd3, data, library)
Printf-TH library: (library, utils)
PriorityChansConverger library: Read single output from an array of inputs - channels with priorities (concurrency, library)
ProbabilityMonads library: Probability distribution monads. (bsd3, control, library)
Probnet library: Geometric Extrapolation of Integer Sequences with error prediction (ai, forecasting, library, math, mit, sequences)
PropLogic library and program: Propositional Logic (algorithms, bsd3, library, logic, program)
PropRatt library, programs and test: Property-based testing framework for testing asynchronous FRP programs. (bsd3, library, program, testing)
PropaFP library, programs and test: Auto-active verification of floating-point programs (formal-methods, library, math, mathematics, maths, mpl, program, theorem-provers)
Proper library and programs: An implementation of propositional logic in Haskell (bsd3, library, program, unclassified)
ProxN library: Proximity sets in N dimensions (bsd3, library, math)
Pugs program: A Perl 6 Implementation (bsd3, language, program, pugs)
Pup-Events library and program: A networked event handling framework for hooking into other programs. (gpl, library, networking, program, pup-events)
Pup-Events-Client library: A networked event handling framework for hooking into other programs. (gpl, library, networking, pup-events)
Pup-Events-Demo programs: A networked event handling framework for hooking into other programs. (demo, gpl, networking, program, pup-events)
Pup-Events-PQueue library: A networked event handling framework for hooking into other programs. (gpl, library, networking, pup-events)
Pup-Events-Server library: A networked event handling framework for hooking into other programs. (gpl, library, networking, pup-events)
PyF library and tests: Quasiquotations for a python like interpolated string formatter (bsd3, library, text)
QIO library: The Quantum IO Monad is a library for defining quantum computations in Haskell (bsd3, library, quantum)
QLearn library: A library for fast, easy-to-use Q-learning. (data, library, mit)
QuadEdge library: QuadEdge structure for representing triangulations (bsd3, data, library)
QuadTree library and test: QuadTree library for Haskell, with lens support. (bsd3, data, game, library)
QuasiText library: A QuasiQuoter for Text. (bsd3, library, text)
Quelea library: Programming with Eventual Consistency over Cassandra. (bsd3, experimental, library)
QuickAnnotate library and program: Annotation Framework (bsd3, development, library, program)
QuickCheck library and tests: Automatic testing of Haskell programs (bsd3, library, testing)
QuickCheck-GenT library: A GenT monad transformer for QuickCheck library. (library, mit, testing)
QuickCheck-safe library: Safe reimplementation of QuickCheck's core (library, mit, testing)
QuickCheckVariant library, test and benchmark: Valid and Invalid generator (gpl, library, testing)
QuickPlot library: Quick and easy data visualization with Haskell (gpl, graphics, library)
Quickson library: Quick JSON extractions with Aeson (bsd3, deprecated, json, library, text, web)
R-pandoc library and program: (bsd3, library, program, text)
RANSAC library and test: The RANSAC algorithm for parameter estimation. (bsd3, library, math, numerical)
RBTree library: Pure haskell Red-Black-Tree implemetation (bsd3, data-structures, library)
RESTng library: A framework for writing RESTful applications. (library, web)
RFC1751 library and test: RFC-1751 library for Haskell (data, deprecated, library, public-domain)
RJson library: A reflective JSON serializer/parser. (bsd3, library, text)
RLP library and test: RLP serialization as defined in Ethereum Yellow Paper (data, lgpl, library, parsing)
RMP library and programs: Binding to code that controls a Segway RMP (bsd3, library, program, robotics, system)
RNAFold library and programs: RNA secondary structure prediction (bioinformatics, gpl, library, program)
RNAFoldProgs programs: RNA secondary structure folding (bioinformatics, gpl, program)
RNAdesign library and program: Multi-target RNA sequence design (bioinformatics, gpl, library, program)
RNAdraw library and program: Draw RNA secondary structures (bioinformatics, gpl, library, program)
RNAlien library and programs: Unsupervized construction of RNA family models (bioinformatics, gpl, library, program)
RNAwolf library and programs: RNA folding with non-canonical basepairs and base-triplets. (bioinformatics, gpl, library, program)
RSA library and test: Implementation of RSA, using the padding schemes of PKCS#1 v2.1. (bsd3, codec, cryptography, library)
RSolve library, program and test: (library, logic, mit, program, unification)
RabbitMQ library: AMQP 0-9-1 client library for RabbitMQ servers (library, network)
Raincat program: A puzzle game written in Haskell with a cat in lead role (bsd3, game, program)
Random123 library, test and benchmark: Haskell port of Random123 library (library, mit, random)
RandomDotOrg library: Haskell bindings to the RANDOM.ORG Core API (bsd3, library, public-domain, web)
Randometer program: Randomness intuition trainer (mit, personalgrowth, program)
Range library: Data structure for managing ranges (bsd3, data, library)
Ranged-sets library and test: Ranged sets for Haskell (bsd3, data, library)
Ranka program: HTTP to XMPP omegle chats gate. (network, program)
Rasenschach program: Soccer simulation (bsd3, game, program)
Rasterific library: A pure haskell drawing engine. (bsd3, graphics, library)
Rattus library and tests: A modal FRP language (bsd3, frp, library)
ReadArgs library, program and test: Simple command line argument parsing (bsd3, command-line, library, program)
Redmine library and test: Library to access Redmine's REST services (library, mit, network, web)
Ref library: Generic Mutable Ref Abstraction Layer (bsd3, data, library)
RefSerialize library: Write to and read from ByteStrings maintaining internal memory references (bsd3, data, database, library, parsing)
Referees library and program: A utility for computing distributions of material to review among reviewers. (gpl, library, program, utils)
RepLib library: Generic programming library with representation types (bsd3, generics, library)
ReplaceUmlaut library, program and test: converting text to properly encoded german umlauts (library, program, text)
ReplicateEffects library: Composable replication schemes of applicative functors (bsd3, control, library)
ReviewBoard library and programs: Haskell bindings to ReviewBoard (bsd3, development, library, program)
RichConditional library: Tiny library to replace classic if/else (control, library, mit)
Ritt-Wu library, program, test and benchmark: Parallel implementation of Ritt-Wu's algorithm. (algorithm, bsd3, library, program)
Rlang-QQ library and tests: quasiquoter for inline-R code (bsd3, deprecated, development, library)
RollingDirectory program and test: Limits the size of a directory's contents (file-manager, gpl, program, tools)
RoundingFiasco library and test: rounding variants floor, ceil and truncate for floating point operations +-*/√… (interval, library, mathematics, mit, numerical, rounding)
RoyalMonad library: All hail the Royal Monad! (bsd3, control, library)
RtMidi library, programs and test: Haskell wrapper for RtMidi, the lightweight, cross-platform MIDI I/O library. (library, mit, program, sound)
RxHaskell library: Reactive Extensions for Haskell (frp, library, mit)
S3 library: Library for accessing S3 compatible storage services (gpl, library, network)
SBench library: A benchmark suite for runtime and heap measurements over a series of inputs. (bsd3, library, testing)
SCRIPTWriter library and program: ESCRIPT: a human friendly language for programming Bitcoin scripts (bitcoin, bsd3, language, library, program, script)
SCalendar library and test: This is a library for handling calendars and resource availability based on the "top-nodes algorithm" and set operations. (deprecated, library, mit, time)
SConfig library: A simple config library (configuration, deprecated, library, mit)
SDL library: Binding to libSDL (bsd3, deprecated, foreign-binding, library)
SDL-gfx library: Binding to libSDL_gfx (bsd3, deprecated, foreign-binding, library)
SDL-image library: Binding to libSDL_image (bsd3, deprecated, foreign-binding, library)
SDL-mixer library: Binding to libSDL_mixer (bsd3, deprecated, foreign-binding, library)
SDL-mpeg library: Binding to the SMPEG library (bsd3, foreign-binding, library)
SDL-ttf library: Binding to libSDL_ttf (bsd3, deprecated, foreign-binding, library)
SDL2-ttf library: Binding to libSDL-ttf (deprecated, foreign-binding, library, mit)
SFML library: SFML bindings (game, library, mit)
SFML-control library: Higher level library on top of SFML (graphics, library, mit)
SFont library: SFont SDL Bitmap Fonts (bsd3, deprecated, graphics, library)
SG library: Small geometry library for dealing with vectors and collision detection (bsd3, data, library, math)
SGdemo program: An example of using the SG and OpenGL libraries (graphics, program)
SGplus library: (updated) Small geometry library for dealing with vectors and collision detection (bsd3, data, library, math)
SHA library and test: Implementations of the SHA suite of message digest functions (bsd3, codec, cryptography, library)
SHA2 library: Fast, incremental SHA hashing for bytestrings (bsd3, cryptography, library)
SJW library, program, test and benchmark: The Simple Javascript Wrench (bsd3, library, program, web)
SMTPClient library: A simple SMTP client library (bsd3, library, network)
SNet library: Declarative coördination language for streaming networks. (language, lgpl, library)
SQLDeps library: Calculate db-data dependencies of functions (bsd3, database, library)
SQLiteDAV library, program and test: WebDAV server that maps an SQLite database to directories and files. (database, library, mit, program, web)
SSTG library, program and test: STG Symbolic Execution (bsd3, library, program, web)
STL library: STL 3D geometry format parsing and pretty-printing (bsd3, graphics, library)
STLinkUSB library: STLink USB interface in Haskell (bsd3, hardware, library, microcontroller, stm32)
STM32-Zombie library: control a STM32F103 microcontroller (bsd3, hardware, library, microcontroller, stm32)
STM32F103xx-SVD library: Definition for Peripherals,Registers and Fields from STM32F103xx.svd (bsd3, hardware, library, microcontroller, stm32)
STMonadTrans library and test: A monad transformer version of the ST monad (bsd3, library, monads)
SVD2HS library: translate a SVD of a Microcontroller to Haskell tables (bsd3, hardware, library, microcontroller, stm32, svd)
SVG2Q program: Code generation tool for Quartz code from a SVG. (bsd3, parsing, program)
SVGFonts library: Fonts from the SVG-Font format (bsd3, graphics, library)
SVGPath library: Parsing the path command of SVG (bsd3, graphics, library)
SWMMoutGetMB library: A parser for SWMM 5 binary .OUT files (environment, hydrology, lgpl, library, water)
SableCC2Hs library and program: Generate a parser (in Haskell) with the SableCC parser generator. (bsd3, library, parsing, program)
Safe library: Library for safe (pattern match free) functions (bsd3, deprecated, library, unclassified)
SafeSemaphore library and test: Much safer replacement for QSemN, QSem, and SampleVar (bsd3, concurrency, library)
Salsa library: A .NET Bridge for Haskell (.net, bsd3, foreign, library)
Saturnin library, program and tests: Saturnin CI / Job System (application-server, bsd3, library, program)
SciBaseTypes library, test and benchmark: Base types and classes for statistics, sciences and humanities (bsd3, data, library)
SciFlow library: Scientific workflow management system (control, library, mit)
SciFlow-drmaa library: Scientific workflow management system (control, library, mit)
ScratchFs program: Size limited temp filesystem based on fuse (gpl, program, system)
Scurry program: A cross platform P2P VPN application built using Haskell. (bsd3, network, program)
SecureHash-SHA3 library: simple static linked SHA3 using private symbols and the ref impl (bsd2, library, system)
SegmentTree library: Data structure for querying the set (or count) of intervals covering given point (bsd3, data, library)
SelectSequencesFromMSA library and program: Selects a representative subset of sequences from multiple sequence alignment. (bioinformatics, gpl, library, program)
Semantique program: Command-line tool for maintaining the Semantique database. (program, public-domain, system)
Semigroup library: A semigroup (bsd3, data, library)
SeqAlign library: Sequence Alignment (bsd3, deprecated, library, unclassified)
SessionLogger library: Easy Loggingframework (lgpl, library, logging)
Set library, test and benchmark: See README for more info (data, library, mpl)
ShellCheck library, program and test: Shell script analysis tool (gpl, library, program, static-analysis)
Shellac library: A framework for creating shell envinronments (bsd3, library, user-interfaces)
Shellac-compatline library: "compatline" backend module for Shellac (bsd3, library, user-interfaces)
Shellac-editline library: Editline backend module for Shellac (bsd3, library, user-interfaces)
Shellac-haskeline library: Haskeline backend module for Shellac (bsd3, library, user-interfaces)
Shellac-readline library: Readline backend module for Shellac (bsd3, library, user-interfaces)
ShortestPathProblems library and test: grammars for TSP and SHP (bsd3, data, library)
ShowF library: Show for * -> * (bsd3, library, text)
Shpadoinkle library: A programming model for declarative, high performance user interface. (bsd3, library, web)
Shpadoinkle-backend-pardiff library: A Virtual Dom in pure Haskell, based on Html as an Alignable Functor. (bsd3, library, web)
Shpadoinkle-backend-snabbdom library: Use the high-performance Snabbdom virtual dom library written in JavaScript. (bsd3, library, web)
Shpadoinkle-backend-static library: A backend for rendering Shpadoinkle as Text. (bsd3, library, web)
Shpadoinkle-console library: Support for the native browser console (bsd3, library, web)
Shpadoinkle-debug library: Debugging tools for Shpadoinkle applications. (bsd3, deprecated, library, web)
Shpadoinkle-developer-tools library and program: Chrome extension to aide in development (bsd3, library, program, web)
Shpadoinkle-disembodied library: Shpadoinkle as a static site. (bsd3, library, web)
Shpadoinkle-examples programs: Example usages of Shpadoinkle (bsd3, program, web)
Shpadoinkle-html library: A typed, template generated Html DSL, and helpers. (bsd3, library, web)
Shpadoinkle-isreal library: Isreal Swan will make a snowman for you! (gpl, library, web)
Shpadoinkle-lens library: Lens combinators for Shpadoinkle applications. (bsd3, library, web)
Shpadoinkle-router library: A single page application rounter for Shpadoinkle based on Servant. (bsd3, library, web)
Shpadoinkle-streaming library: Integration of the streaming library with Shpadoinkle continuations. (bsd3, library, web)
Shpadoinkle-template library and test: Read standard file formats into Shpadoinkle with Template Haskell (bsd3, library, web)
Shpadoinkle-widgets library and test: A collection of common reusable types and components. (bsd3, library, web)
Shrub library: 4-way trie fuzzy search (bsd3, library, unclassified)
Shu-thing program: A vector shooter game (bsd3, game, program)
SimpleAES library: Fast AES encryption/decryption for bytestrings (bsd3, cryptography, library)
SimpleEA library: Simple evolutionary algorithm framework. (ai, bsd3, library)
SimpleGL library: A Simple Graphics Library from the SimpleH framework. (bsd3, deprecated, graphics, library)
SimpleH library: A light, clean and powerful Haskell utility library (deprecated, library, prelude)
SimpleLog library: Simple, configurable logging (bsd3, library, system)
SimpleServer library and program: A simple static file server, for when apache is overkill (library, mit, program, web)
SimpleTableGenerator library and test: Simple table generator (gpl, library, text)
Sit library, program and test: Prototypical type checker for Type Theory with Sized Natural Numbers (dependent-types, library, program)
SizeCompare library: Fast size comparison for standard containers. (data, library)
Slides library and test: Generate slides from Haskell code (graphics, library, mit)
SmithNormalForm library: A lightweight Haskell implementation of Smith normal form over the integers. (library, linearalgebra, math, mit)
Smooth library: A tiny, lazy SMT solver (bsd3, library, math)
SmtLib library: Library for parsing SMTLIB2 (formal-methods, library, mit)
Snusmumrik programs: E-library directory based on FUSE virtual file system. (bsd3, deprecated, program, text)
SoOSiM library: Abstract full system simulator (bsd3, library, simulation)
SoccerFun library and program: Football simulation framework for teaching functional programming (ai, bsd3, education, game, library, program)
SoccerFunGL library and programs: OpenGL UI for the SoccerFun framework (ai, bsd3, education, game, library, program)
Sonnex library and test: Sonnex is an alternative to Soundex for french language (gpl, library, natural-language-processing, text)
SourceGraph program: Static code analysis using graph-theoretic techniques. (development, program)
Southpaw library: Assorted utility modules (library, mit, utilities)
SpaceInvaders program: Video game (bsd3, game, program)
SpacePrivateers program: Simple space pirate roguelike (bsd3, game, program)
SpatialMath library and tests: 3d math including quaternions/euler angles/dcms and utility functions (bsd3, library, math)
SpinCounter library: Lock free Spin Counter (bsd3, data, library)
Spintax library: Random text generation based on spintax (bsd3, library, text)
Spock library and test: Another Haskell web framework for rapid development (bsd3, library, web)
Spock-api library: Another Haskell web framework for rapid development (bsd3, library, web)
Spock-api-ghcjs library: Another Haskell web framework for rapid development (bsd3, library, web)
Spock-api-server library: Another Haskell web framework for rapid development (bsd3, library, web)
Spock-auth library: Provides authentification helpers for Spock (bsd3, deprecated, library, web)
Spock-core library and test: Another Haskell web framework for rapid development (bsd3, library, web)
Spock-digestive library: Digestive functors support for Spock (library, mit, web)
Spock-lucid library: Lucid support for Spock (bsd3, library, web)
Spock-worker library and test: Background workers for Spock (library, mit, web)
SpreadsheetML library: Write support for Excel's SpreadsheetML format (bsd3, library, text)
Sprig library: Binding to Sprig (bsd3, deprecated, foreign-binding, library)
Stack library: Stack data structure (bsd3, data-structures, library)
Stasis library and program: A simple MVCC like library (bsd3, concurrency, library, program)
StateVar library: State variables (bsd3, data, library)
StateVar-transformer library: State variables (bsd3, data, library)
StatisticalMethods library: Collection of useful statistical methods. (gpl, library, statistics)
StockholmAlignment library: Libary for Stockholm aligmnent format (bioinformatics, gpl, library)
Stomp library: Client library for Stomp brokers. (bsd3, library, network)
Strafunski-ATermLib library: An abstract data type designed for the exchange of tree-like data structures (bsd3, data, library)
Strafunski-Sdf2Haskell program: Converts SDF to Haskell (bsd3, language, program)
Strafunski-StrategyLib library: Library for strategic programming (bsd3, generics, library)
StrappedTemplates library and test: General purpose templates in haskell (bsd3, library, text)
StrategyLib library: (all-rights-reserved, generics, library)
Stream library: A library for manipulating infinite lists. (bsd3, data, library)
StrictBench library: Benchmarking code through strict evaluation (library, testing)
StrictCheck library and test: StrictCheck: Keep Your Laziness In Check (library, mit, testing)
StringUtils library: String manipulation utilities (lgpl, library, text)
SuffixStructures library, program and benchmark: Suffix array construction (bsd3, data, data-structures, library, program)
SvgIcons library: Svg Icons and more (bsd3, graphics, library, web)
SybWidget library: Library which aids constructing generic (SYB3-based) widgets (gui, library)
Synapse library and test: Synapse is a machine learning library written in pure Haskell. (deprecated, library, math, mit)
SyntaxMacros library: Syntax Macros in the form of an EDSL (deprecated, development-, library)
Sysmon library: Sybase 15 sysmon reports processor (bsd3, database, library)
TBC library and program: Testing By Convention (bsd3, library, program, testing)
TBit library: Utilities for condensed matter physics tight binding calculations. (bsd3, library, science)
TCache library and test: A Transactional cache with user-defined persistence (bsd3, data, database, library)
THEff library: TH implementation of effects. (bsd3, control, effect, library, th-)
THSH library, program and test: A "noDSL" approach to mixing shell scripting with Haskell programs using Template Haskell (library, mit, program, system)
TLT library, program and test: Testing in monads and transformers without explicit specs (lgpl, library, program, test)
TORCS library and program: Bindings to the TORCS vehicle simulator. (bindings, frp, library, program, simulation)
TTTAS library: Typed Transformations of Typed Abstract Syntax (language-, library)
TV library: Tangible Values -- composable interfaces (bsd3, interfaces, library)
TYB library: Template Your Boilerplate - a Template Haskell version of SYB (bsd3, generics, library)
TableAlgebra library: Ferry Table Algebra (bsd3, database, library)
Tables program: A client for Quill databases (bsd3, database, program)
Tablify program: Tool to render CSV into tables of various formats (bsd3, program, text)
Tahin library and program: Tahin Password Generator (bsd3, library, password, program)
Tainted library: Tainted type, and associated operations (bsd3, control, data, library, monads, trans)
Takusen : Database library with left-fold interface, for PostgreSQL, Oracle, SQLite, ODBC. (bsd3, database)
Tape library: Bidirectionally infinite streams, akin to the tape of a Turing machine. (bsd3, data, library)
TaskMonad library: A collection of tools which can be used to access taskwarrior from xmonad. (bsd3, library, xmonad)
TastyTLT library, program and test: Run TLT tests from Tasty (lgpl, library, program, test)
Taxonomy library: Libary for parsing, processing and vizualization of taxonomy data (bioinformatics, gpl, library)
TaxonomyTools programs: Tool for parsing, processing, comparing and visualizing taxonomy data (bioinformatics, gpl, program)
TeX-my-math library, program and test: Render general Haskell math to LaTeX. Or: math typesetting with high signal-to-noise–ratio. (gpl, library, math, program)
TeaHS library: TeaHS Game Creation Library (bsd3, deprecated, game, library)
Tensor library: Tensor data types (bsd3, data, library)
TernaryTrees library and program: Efficient pure ternary tree Sets and Maps (bsd3, data-structures, library, program)
TestExplode library: Generates testcases from program-snippets (lgpl, library, testing)
Theora library: (library, unclassified)
Thingie library: Purely functional 2D drawing (bsd3, deprecated, graphics, library)
ThreadObjects library: Mutable objects that reside in their own threads. (concurrency, gpl, library)
Thrift library: Haskell bindings for the Apache Thrift RPC system (foreign, library)
Tic-Tac-Toe program: Tic Tac Toe in your command line! (apache, game, program)
TicTacToe library: A sub-project (exercise) for a functional programming course (bsd3, education, library)
TigerHash library: TigerHash with C implementation (cryptography, gpl, library)
TimePiece library and program: A simple tile-based digital clock screen saver (library, program, public-domain, screensaver)
TinyLaunchbury library: Simple implementation of call-by-need using Launchbury's semantics (bsd3, compilers-interpreters, library)
TinyURL library: Use TinyURL to compress URLs (bsd3, library, web)
Titim program: Game for Lounge Marmelade (game, gpl, program)
Top library and program: Constraint solving framework employed by the Helium Compiler. (constraints, library, program)
TotalMap library and test: A total map datatype (control, library, mit)
Tournament library and test: Tournament related algorithms (game, library, mit)
TraceUtils library: Functions that should have been in Debug.Trace (bsd3, development, library)
TransformeR library, program and test: eDSL in R for Safe Variable Transformarion (bsd3, deprecated, dsl, library, program, security, statistics)
TransformersStepByStep program: Tutorial on monad transformers. (bsd3, development, program)
Transhare library: A library to apply transformation to containers so as to maximize sharing of unchanged subcomponents. (bsd3, data, library)
TreeCounter library: Wait-free Tree Counter (bsd3, data, library)
TreeStructures library: A collection of heaps and search trees (bsd3, data-structures, library)
TreeT library: Transformer for Data.Tree (control, library, monads, public-domain)
Treiber library: Lock free Treiber stack (bsd3, data, library)
TrendGraph library: A simple trend Graph script (graphics, library, public-domain)
TrieMap library: Automatic type inference of generalized tries with Template Haskell. (algorithms, bsd3, library)
TrivialMonadWithUnitType library: Trivial monad with Unit type (bsd2, development, library)
Twofish library and test: An implementation of the Twofish Symmetric-key cipher. (bsd3, codec, cryptography, library)
TypeClass program: Typing speed game (bsd3, game, program)
TypeCompose library: Type composition classes & instances (bsd3, composition, control, library)
TypeIlluminator program: TypeIlluminator is a prototype tool exploring debugging of type errors/ (bsd3, compilers-interpreters, program)
TypeNat library: Some Nat-indexed types for GHC (data, library, mit)
TypingTester program: Command Line Typing speed tester (game, gpl, program)
UISF library: Library for Arrowized Graphical User Interfaces. (bsd3, gui, library)
UMM program: A small command-line accounting tool (finance, program)
URLT library: Library for maintaining correctness of URLs within an application. (bsd3, deprecated, language, library, web)
URLb library: DEPRECATED A simple, liberal URL parser. (bsd3, library, text)
UTFTConverter library, program and test: Processing popular picture formats into .c or .raw format in RGB565 (graphics, library, mit, program, text)
Unique library, test and benchmark: It provides the functionality like unix "uniq" utility (bsd3, data, library)
Unixutils library: A crude interface between Haskell and Unix-like operating systems (bsd3, library, system)
Unixutils-shadow library: A simple interface to shadow passwords (aka, shadow.h) (bsd3, library, system)
Updater library: Monadic FRP library based on stm (apache, frp, library)
UrlDisp library: Url dispatcher. Helps to retain friendly URLs in web applications. (bsd3, library, network, web)
Useful library: Some useful functions and shorthands. (bsd3, library, unclassified)
UtilityTM library: Utility functions that are missing from the standard library (bsd3, development, library)
VKHS library and program: Provides access to Vkontakte social network via public API (bsd3, library, program, web)
VRML library, programs and test: VRML parser and generator for Haskell (graphics, library, mit, program)
Validation library: A data-type like Either but with an accumulating Applicative (bsd3, data, deprecated, library)
ValveValueKeyvalue library: A Valve Value-keyvalue parser for Haskell made with Parsec. (keyvalue, library, mit, parsing, source, valve)
Vec library: Fixed-length lists and low-dimensional linear algebra. (bsd3, data, library, math)
Vec-Boolean library: Provides Boolean instances for the Vec package (bsd3, data, library, math)
Vec-OpenGLRaw library: Instances and functions to interoperate Vec and OpenGL. (bsd3, graphics, library, math)
Vec-Transform library: This package is obsolete (bsd3, graphics, library, math)
VecN library: a simple peano-indexed vector type (bsd3, data, library)
Verba program: A solver for the WordBrain game (game, mit, program)
ViennaRNA-bindings library and test: ViennaRNA v2 bindings (bindings, bioinformatics, ffi, library)
ViennaRNA-extras library and test: ViennaRNA v2 extensions (bioinformatics, bsd3, library)
ViennaRNAParser library and test: Libary for parsing ViennaRNA package output (bioinformatics, gpl, library)
Villefort library, program and test: Villefort is a task manager and time tracker (bsd3, library, program, web)
Vis library: Painless 3D graphics, no affiliation with gloss (bsd3, graphics, library)
Vulkan library: A binding for the Vulkan API (bsd3, graphics, library)
VulkanMemoryAllocator library: Bindings to the VulkanMemoryAllocator library (bsd3, graphics, library)
WAVE library and program: WAVE audio file IO library (bsd3, data, library, program, sound)
WEditor library and test: Generic text-editor logic for use with fixed-width fonts. (apache, library, text)
WEditorBrick library and program: Text-editor widget with dynamic line-wrapping for use with Brick. (apache, graphics, library, program)
WEditorHyphen library and test: Language-specific hyphenation policies for WEditor. (apache, library, text)
WL500gPControl programs: A simple command line tools to control the Asus WL500gP router (bsd3, network, program, ui)
WL500gPLib library and program: A simple library to access to the WL 500gP router from the Haskell code (bsd3, library, network, program)
WMSigner library and test: WebMoney authentication module (cryptography, data, library, mit)
WURFL library: Convert the WURFL file into a Parsec parser (bsd3, deprecated, library, web)
WXDiffCtrl library: WXDiffCtrl (bsd3, gui, library, user-interfaces)
WashNGo library and programs: WASH is a family of EDSLs for programming Web applications in Haskell. (bsd3, library, program, web)
WaveFront library: Parsers and utilities for the OBJ WaveFront 3D model format (graphics, library, mit)
WeakSets library and test: Simple set types. Useful to create sets of arbitrary types and nested sets. (data, lgpl, library)
Weather library: Library for interacting with the Weather Underground JSON API. (bsd3, library, net)
WebBits library: JavaScript analysis tools (bsd3, deprecated, language, library)
WebBits-Html library: JavaScript analysis tools (language, library)
WebBits-multiplate library: A Multiplate instance for JavaScript. (language, library, mit)
WebCont library: Continuation based web programming for Happstack (bsd3, library, web)
WeberLogic library and program: Logic interpreter (bsd3, library, math, program)
Webrexp library and program: Regexp-like engine to scrap web data (bsd3, library, program, utility)
Wheb library and test: The frictionless WAI Framework (bsd3, library, web)
WidgetRattus library and tests: An asynchronous modal FRP language for GUI programming (bsd3, frp, library)
WikimediaParser library: A parser for wikimedia style article markup. (bsd3, library, parsing)
Win32 : A binding to Windows Win32 API. (bsd3, graphics, system, windows)
Win32-console library: Binding to the Win32 console API (bsd3, console, library, user-interfaces)
Win32-dhcp-server library: Win32 DHCP Server Management API (bsd3, library, system)
Win32-errors library and test: Alternative error handling for Win32 foreign calls (bsd3, library, system)
Win32-extras library: Provides missing Win32 API (bsd3, graphics, library, system)
Win32-junction-point library: Support for manipulating NTFS junction points. (bsd3, library, system)
Win32-notify library: A binding to part of the Win32 library for file notification (bsd3, library, system)
Win32-security library: Haskell bindings to a security-related functions of the Windows API (library, mit, system)
Win32-services library: Windows service applications (bsd3, library, system)
Win32-services-wrapper library: Wrapper code for making a Win32 service (bsd3, library, system)
Win32-shortcut library: Support for manipulating shortcuts (.lnk files) on Windows (bsd3, library, system)
Wired library: Wire-aware hardware description (bsd3, hardware, language, library)
WordAlignment library, program and test: Bigram word pair alignments. (gpl, library, linguistics, program)
WordNet library: Haskell interface to the WordNet database (bsd3, library, natural-language-processing, text)
WordNet-ghc74 library: Haskell interface to the WordNet database (bsd3, library, natural-language-processing, text)
Wordlint library and program: Plaintext prose redundancy linter. (library, program, text)
Workflow library: Workflow patterns over a monad for thread state logging & recovery (bsd3, control, library, workflow)
WringTwistree library, program and test: Whole-message cipher and tree hash (bsd3, cryptography, library, program)
WxGeneric library: Generic (SYB3) construction of wxHaskell widgets (gui, library)
X library: A light-weight XML library (library, text, xml)
X11 library: A binding to the X11 graphics library (bsd3, graphics, library)
X11-extras library: Missing bindings to the X11 graphics library (bsd3, graphics, library)
X11-rm library: A binding to the resource management functions missing from X11. (bsd3, graphics, library)
X11-xdamage library: A binding to the Xdamage X11 extension library (bsd3, graphics, library)
X11-xfixes library: A binding to the Xfixes X11 extension library (graphics, library, mit)
X11-xft library: Bindings to the Xft and some Xrender parts (bsd3, graphics, library)
X11-xshape library: A binding to the Xshape X11 extension library (bsd3, graphics, library)
XAttr library: Read, set, and list extended attributes (deprecated, library, system)
XInput library: Bindings for the DirectX XInput library. (bsd3, library, system)
XML library and test: Extensible Markup Language (bsd3, data, library)
XMLParser library: A library to parse xml (gpl, library, xml)
XMMS library: XMMS2 client library. (library, network, sound)
XMPP library: XMPP library (bsd3, library, network)
XSaiga library and program: An implementation of a polynomial-time top-down parser suitable for NLP (attribute-grammars, bsd3, library, memoization, natural-language-processing, parser-combinators, parsing, program, text)
Xauth library: A binding to the X11 authentication library (bsd3, graphics, library)
Xec program: Gtk command launcher with identicon (bsd3, program, utils)
XmlHtmlWriter library: A library for writing XML and HTML (bsd3, language, library)
Xorshift128Plus library: Pure haskell implementation of xorshift128plus random number generator. (library, math, public-domain)
YACPong program: Yet Another Pong Clone using SDL. (game, mit, program)
YFrob library: Yampa-based library for programming robots (bsd3, frp, library, reactivity, yampa, yampa-)
Yablog : A simple blog engine powered by Yesod. (bsd3, web)
YamlReference library, program and test: YAML reference implementation (library, program, text)
Yampa library and benchmark: Elegant Functional Reactive Programming Language for Hybrid Systems (bsd3, frp, library, reactivity)
Yampa-core library: Library for programming hybrid systems. (bsd3, frp, library, reactivity)
YampaSynth : Software synthesizer (bsd3, music, sound)
Yocto library: A Minimal JSON Parser & Printer for Haskell (deprecated, library, mit, text)
Yogurt library: A MUD client library (bsd3, library, network)
Yogurt-Standalone program: A functional MUD client (bsd3, network, program)
Z-Botan library and test: Crypto for Haskell (bsd3, data, library)
Z-Data library and test: Array, vector and text (bsd3, data, library)
Z-IO library and test: Simple and high performance IO toolkit for Haskell (bsd3, data, library)
Z-MessagePack library and test: MessagePack (bsd3, data, library)
Z-YAML library and test: YAML tools (bsd3, data, library)
ZEBEDDE library: Polymer growth simulation method (bsd3, deprecated, library, math)
ZFS library: Oleg's Zipper FS (library, monads, public-domain)
ZMachine program: A Z-machine interpreter (bsd3, game, program)
ZipFold library: Zipping folds (bsd3, data, library)
ZipperAG library: An implementation of Attribute Grammars using Functional Zippers (bsd3, experimental, library)
Zora library and test: Graphing library wrapper + assorted useful functions (bsd3, library, unclassified)
Ztrategic library: Zipper-based library for strategic programming and attribute grammars. (generics, library, mit)
Zwaluw library: Combinators for bidirectional URL routing (bsd3, library, text)
a-piece-of-flake library, program and test: Nix flake repository for everyone (bsd3, library, program, system)
a50 program: Compare genome assemblies (bioinformatics, program)
aasam library and test: Convert distfix precedence grammars to unambiguous context-free grammars. (apache, library, parsing)
abacate library and test: Parser for a language similar to Cucumber's Gherkin (language, library)
abc-puzzle program: Generate instances of the ABC Logic Puzzle. (bsd3, game, program)
abcBridge library and test: Bindings for ABC, A System for Sequential Synthesis and Verification (bsd3, data, library)
abcnotation library: Haskell representation and parser for ABC notation. (bsd3, library, music)
abeson library: interconversion between aeson and bson. (data, library, mit)
abides library and test: Simple boolean tests to see if a value abides by certain properties (bsd3, data, library, testing)
abnf library and test: Parse ABNF and generate parsers for the specified document (bsd2, library, text)
abstract-deque library: Abstract, parameterized interface to mutable Deques. (bsd3, data-, library)
abstract-deque-tests library and test: A test-suite for any queue or double-ended queue satisfying an interface (bsd3, data-, library)
abstract-par library: Type classes generalizing the functionality of the 'monad-par' library. (bsd3, control, library, monads, parallelism)
abstract-par-accelerate library: Provides the class ParAccelerate, nothing more. (bsd3, library, parallelism)
abstractly-keyed-implicits library: Manage the implicit parameter namespace dynamically at compile time. (apache, data, library)
abt library: Abstract binding trees for Haskell (language, library, mit)
ac-library-hs library, program, tests and benchmark: Data structures and algorithms (algorithms, data-structures, library, program)
ac-machine library: Aho-Corasick string matching algorithm in Haskell (bsd3, data, library)
ac-machine-conduit library: Drive Aho-Corasick machines in Conduit pipelines (bsd3, data, library)
acc library, test and benchmark: Sequence optimized for monoidal construction and folding (library, mit, unclassified)
accelerate library and test: An embedded language for accelerated array processing (accelerate, bsd3, compilers-interpreters, concurrency, data, library, parallelism)
accelerate-arithmetic library and test: Linear algebra and interpolation using the Accelerate framework (bsd3, library, math)
accelerate-bignum library and benchmark: Fixed-length large integer arithmetic for Accelerate (accelerate, bsd3, data, library)
accelerate-blas library: Numeric Linear Algebra in Accelerate (accelerate, bsd3, library, math)
accelerate-cublas library, program and benchmark: Basic Linear Algebra using native CUBLAS library (bsd3, library, math, program)
accelerate-cuda library: Accelerate backend for NVIDIA GPUs (bsd3, compilers-interpreters, concurrency, data, deprecated, library, parallelism)
accelerate-cufft library: Accelerate frontend to the CUFFT library (Fourier transform) (bsd3, library, math)
accelerate-examples library: Examples using the Accelerate library (accelerate, bsd3, library)
accelerate-fft library: FFT using the Accelerate library (accelerate, bsd3, library, math)
accelerate-fftw library: Accelerate frontend to the FFTW library (Fourier transform) (bsd3, library, math)
accelerate-fourier library, test and benchmark: Fast Fourier transform and convolution using the Accelerate framework (bsd3, library, math)
accelerate-fourier-benchmark program: Compare different implementations of the Fast Fourier Transform (bsd3, math, program)
accelerate-io library: Convert between Accelerate arrays and raw pointers (accelerate, bsd3, data, library)
accelerate-io-JuicyPixels library: Convert between Accelerate arrays and JuicyPixels images (accelerate, bsd3, data, library)
accelerate-io-array library and test: Convert between Accelerate and array (accelerate, bsd3, data, library)
accelerate-io-bmp library: Convert between Accelerate arrays and BMP images (accelerate, bsd3, data, library)
accelerate-io-bytestring library: Convert between Accelerate and ByteString (accelerate, bsd3, data, library)
accelerate-io-cereal library: Binary serialisation of Accelerate arrays using cereal (accelerate, bsd3, data, library)
accelerate-io-repa library: Convert between Accelerate and Repa arrays (accelerate, bsd3, data, library)
accelerate-io-serialise library: Binary serialisation of Accelerate arrays using serialise (accelerate, bsd3, data, library)
accelerate-io-vector library and test: Convert between Accelerate and vector (accelerate, bsd3, data, library)
accelerate-kullback-liebler library, test and benchmark: Kullback-Liebler divergence (accelerate, array, bsd3, library)
accelerate-llvm library: Accelerate backend component generating LLVM IR (accelerate, bsd3, compilers-interpreters, concurrency, data, library, parallelism)
accelerate-llvm-native library and test: Accelerate backend for multicore CPUs (accelerate, bsd3, compilers-interpreters, concurrency, data, library, parallelism)
accelerate-llvm-ptx library and test: Accelerate backend for NVIDIA GPUs (accelerate, bsd3, compilers-interpreters, concurrency, data, library, parallelism)
accelerate-random library: Generate Accelerate arrays filled with high quality pseudorandom numbers (bsd3, data, deprecated, library)
accelerate-typelits library and test: a typesafe way encode accelerate matrices and vectors (library, math)
accelerate-utility library: Utility functions for the Accelerate framework (bsd3, library, parallelism)
accentuateus library: A Haskell implementation of the Accentuate.us API. (bsd3, library, web)
access-time library: Cross-platform support for retrieving file access times (bsd3, library, system)
access-token-provider library and test: Provides Access Token for Services (bsd3, data, library)
accuerr library: Data type like Either but with accumulating error type (bsd3, development, library)
ace library and test: Attempto Controlled English parser and printer (bsd3, library, linguistics)
achille library and test: A library for building static site generators (library, mit, web)
acid-state library, program, tests and benchmark: Add ACID guarantees to any serializable Haskell data structure. (database, library, program, public-domain)
acid-state-dist library, tests and benchmarks: A replication backend for acid-state (database, library, mit)
acid-state-events library: Generic event bus for acid-state applications (database, library, mit)
acid-state-tls library: Add TLS support for Data.Acid.Remote (database, library, public-domain)
acl2 library: Writing and calling ACL2 from Haskell. (bsd3, formal-methods, language, library)
acme-all-monad library: A monad which is powerful enough to interpret any action (acme, library, public-domain)
acme-box library, program and test: A full featured empty project (acme, bsd3, library, program)
acme-cadre library: car, cdr and more (acme, library, public-domain)
acme-circular-containers library and test: Spineless containers which are fast to read but inefficient to update (acme, library)
acme-cofunctor library: A Cofunctor is a structure from category theory dual to Functor (acme, bsd3, library)
acme-colosson library: Determines whether it is numberwang. (acme, bsd3, library)
acme-comonad library: A more efficient dualization (bsd3, library, ntrol)
acme-cuteboy library and program: Maybe gives you a cute boy (acme, library, program, public-domain)
acme-cutegirl library and program: Maybe gives you a cute girl (acme, gpl, library, program)
acme-default library: A class for types with a distinguished aesthetically pleasing value (acme, library)
acme-dont library and test: A "don't" construct (acme, bsd3, library)
acme-everything library: Install everything. (acme, library, public-domain)
acme-flipping-tables library: Stop execution with rage. (acme, bsd3, library)
acme-functors library: The best applicative functors. (acme, bsd3, library)
acme-grawlix library: More readable names for commonly used symbols (acme, bsd3, library)
acme-hq9plus library: An embedded DSL for the HQ9+ programming language (acme, library, public-domain)
acme-http library and programs: fastest Haskell PONG server in the world (bsd3, library, program, web)
acme-inator library and program: Evil inventions in the Tri-State area (acme, library, program, public-domain)
acme-io library: The only true way to do IO in Haskell! (acme, library)
acme-iot library: IO monad transformer (control, library, mit)
acme-kitchen-sink library: A place for dumping that does-not-feel-right code while you improve it (bsd3, library, other)
acme-left-pad library: free your haskell from the tyranny of npm! (agpl, library, text)
acme-lolcat library: LOLSPEAK translator (acme, bsd3, library)
acme-lookofdisapproval library: Express your disapproval (acme, bsd3, library)
acme-memorandom library: Memoized random number generation (acme, library, mit)
acme-microwave library: The eighth wonder of the world, kitchen math! (acme, bsd3, library)
acme-miscorder library: Miscellaneous newtypes for orderings of discutable use. (acme, library, public-domain)
acme-missiles library: Cause serious international side effects. (acme, library, public-domain)
acme-mutable-package library: A mutable package. (acme, deprecated, library, mit)
acme-not-a-joke library: implements ACME clients (rfc-8555) (bsd3, library, security)
acme-now library: An interface to the philosophical and metaphysical "now" (acme, library, public-domain)
acme-numbersystem library: Define the less than and add and subtract for nats (acme, bsd3, library)
acme-omitted library and test: A name for omitted definitions (acme, bsd3, library)
acme-one library: The identity element of package dependencies (acme, library, public-domain)
acme-operators library: Operators of base, all in one place! (bsd3, documentation, library)
acme-php library: The flexibility of Haskell and the safety of PHP (acme, bsd3, library)
acme-pointful-numbers library: Make more than one point in numeric literals (acme, bsd3, library)
acme-realworld library: Primitives for manipulating the state of the universe (acme, bsd3, library)
acme-safe library: Safe versions of some infamous haskell functions such as fromJust (acme, library)
acme-schoenfinkel library and test: Proper names for curry and uncurry (acme, bsd3, library)
acme-smuggler library and test: Smuggle arbitrary values in arbitrary types (acme, bsd3, library)
acme-strfry library: A binding to the glibc strfry function. (acme, bsd3, library)
acme-stringly-typed library: Stringly Typed Programming (acme, bsd3, library)
acme-strtok library: A Haskell port of the C/PHP strtok function (acme, library, public-domain)
acme-this library: import This (bsd3, library, this)
acme-timemachine library: An easy way to perform and unperform IO and other stateful actions. (acme, bsd3, library)
acme-year library, test and benchmark: Get the current year (acme, library, public-domain)
acme-zalgo library: A somewhat flexible Zalgo̐ te̳͜x̥̖̉̓͞t̍̌̔ ̀̃t̴̢̞̜͓̝r̶̬̆̂̒͟á̧̡͎͔̯̰̕n̹̾̓ͬͦ̍͘ṡ̢͓͉ͮ͆l̠̖̹̗̳̖̽̌ͤ͞a͚̭͙̹̲ͭͩt͈͐o̢̭͇͍̟͐ͬ̾ͪ͜r͇.̸̅ͭ̐̀̊ͨ͛ (acme, library, mit)
acme-zero library: The absorbing element of package dependencies (acme, library, public-domain)
acolyte library: Composable, type-safe web framework for Haskell (bsd3, library, web)
acolyte-client library and test: Type-safe HTTP client derived from acolyte API types (bsd3, library, web)
acolyte-codegen library, program and tests: Generate acolyte API types from OpenAPI/Swagger specs (bsd3, library, program, web)
acolyte-core library and test: Type-level API specification for acolyte (bsd3, library, web)
acolyte-grpc library and tests: gRPC interpretation for acolyte API types (bsd3, library, network)
acolyte-openapi library and test: OpenAPI 3.1 spec generation from acolyte API types (bsd3, library, web)
acolyte-server library and tests: HTTP server interpretation for acolyte (bsd3, library, web)
acolyte-test library and test: Testing utilities for acolyte APIs (bsd3, library, testing, web)
acousticbrainz-client library and test: AcousticBrainz API client (library, unclassified)
acquire library: Abstraction over management of resources (library, mit, resources)
action-permutations library: Execute a set of actions (e.g. parsers) in each possible order (bsd3, control, library)
active library and test: Abstractions for animation (bsd3, data, library)
activehs program: Haskell code presentation tool (bsd3, documentation, education, program)
activehs-base library: Basic definitions for activehs (bsd3, documentation, education, library)
activitypub library: ActivityPub Haskell Library (bsd3, library, web)
activitystreams-aeson library: An interface to the ActivityStreams specification (bsd3, codec, library)
actor library: Actors with multi-headed receive clauses (bsd3, concurrency, library)
acts library: Semigroup actions and torsors. (algebra, bsd3, library, math)
ad library, test and benchmark: Automatic Differentiation (bsd3, library, math)
ad-delcont library and test: Reverse-mode automatic differentiation with delimited continuations (bsd3, library, machine-learning, math, numeric, optimisation, optimization)
adaptive-containers library: Self optimizing container types (bsd3, data, library)
adaptive-cubature library: Multidimensional integration (gpl, library, numerical)
adaptive-tuple library: Self-optimizing tuple types (bsd3, data, library)
adb library: Android Debug Bridge (ADB) protocol (bsd3, library, network)
adblock2privoxy program and test: Convert adblock config files to privoxy format (gpl, program, web)
add-dependent-file library: Safer TH addDependentFile wrapper (bsd3, library, system)
addLicenseInfo program: Adds license info to the top of a file. (bsd3, development, program)
addy library and test: A full-featured library for parsing, validating, and rendering email addresses (bsd2, library, text)
adhoc-fixtures library and test: Manage fine grained fixtures (data, library)
adhoc-fixtures-hspec library and test: Manage fine grained fixtures (data, library)
adhoc-network library: Ad-hoc P2P network protocol (library, network)
adict library and test: Approximate dictionary searching (bsd3, library, natural-language-processing)
adjunction library, test and benchmark: See README for more info (adjunctions, bsd3, library, math)
adjunctions library and test: Adjunctions and representable functors (adjunctions, bsd2, data-structures, library)
adler32 library and test: An implementation of Adler-32, supporting rolling checksum operation (bsd3, cryptography, hash, library)
adobe-swatch-exchange library and programs: parse Adobe Swatch Exchange files and (optionally) output .css files with the colors (bsd3, library, program, web)
adp-multi library and test: ADP for multiple context-free languages (algorithms, bioinformatics, bsd3, data-structures, library)
adp-multi-monadiccp library and test: Subword construction in adp-multi using monadiccp (algorithms, bioinformatics, bsd3, data-structures, library)
adtrees library: Modelling, rendering and quantitative analysis on attack defense trees (gpl, language, library)
advent-of-code-api library and test: Advent of Code REST API bindings and servant API (bsd3, library, web)
advent-of-code-ocr library, program, test and benchmark: Parse Advent of Code ASCII art letters (bsd3, library, program, text)
aern2-fun library: Generic operations for real functions (bsd3, library, math)
aern2-mfun library and program: Multi-variate real function optimisation and proving (bsd3, library, math, program)
aern2-mp library and test: Multi-precision ball (interval) arithmetic (bsd3, library, math)
aern2-real library and test: Real numbers as convergent sequences of intervals (bsd3, library, math)
aes-gcm library and test: AES Galois/Counter Mode (GCM) AEAD Cipher (cryptography, gpl, library)
aeson library and test: Fast JSON parsing and encoding (bsd3, json, library, text, web)
aeson-applicative library: make To/From JSOn instances from an applicative description (data, library, mit)
aeson-attoparsec library and test: Embed an Attoparsec text parser into an Aeson parser (bsd3, library, web)
aeson-better-errors library: Better error messages when decoding JSON values. (json, library, mit, text, web)
aeson-bson library: Mapping between Aeson's JSON and Bson objects. (data, library)
aeson-casing library and test: Tools to change the formatting of field names in Aeson instances. (data, library, mit)
aeson-coerce library: Initial project template from stack (bsd3, library, web)
aeson-combinators library, test and benchmark: Aeson combinators for dead simple JSON decoding (bsd3, json, library, text, web)
aeson-commit library and test: Parse Aeson data with commitment (bsd3, json, library, text, web)
aeson-compat library and test: Compatibility layer for aeson (bsd3, deprecated, library, web)
aeson-decode library and test: Easy functions for converting from Aeson.Value (apache, json, library)
aeson-default library and test: Apply default value to FromJSON instacnes' Maybe fields (bsd3, default, hkd, json, library)
aeson-dependent-sum library and test: JSON encoding/decoding for dependent-sum (data, dependent-types, gpl, json, library)
aeson-deriving library and test: data types for compositional, type-directed serialization (library, mit, serialization)
aeson-diff library, programs and tests: Extract and apply patches to JSON documents. (algorithms, bsd3, json, library, program, web)
aeson-diff-generic library: Apply a json-patch to any haskell datatype. (bsd3, json, library, web)
aeson-extra library and test: Extra goodies for aeson (aeson, bsd3, data, library)
aeson-filthy library and test: Several newtypes and combinators for dealing with less-than-cleanly JSON input. (bsd3, json, library, text, web)
aeson-flat library and test: Tools for creating flat JSON serializations (bsd3, library, web)
aeson-flatten library and test: JSON flatten for Aeson (bsd3, json, library, text, web)
aeson-flowtyped library and test: Create Flow or TypeScript type definitions from Haskell data types. (bsd3, library, web)
aeson-gadt-th library and test: Derivation of Aeson instances for GADTs (bsd3, json, library)
aeson-generic-compat library: Compatible generic class names of Aeson (bsd3, library, text)
aeson-generic-default library and test: Type-level default fields for aeson Generic FromJSON parser (bsd3, json, library, text, web)
aeson-generics-typescript library and program: Generates TypeScript definitions that match Generic Aeson encodings (bsd3, library, program, web)
aeson-helper library: Aeson helper func (aeson, bsd3, data, library)
aeson-injector library and test: Injecting fields into aeson values (data, json, library, mit, web)
aeson-iproute library and test: Aeson instances for iproute types (bsd3, data, library)
aeson-json-ast library: Integration layer for "json-ast" and "aeson" (library, mit, unclassified)
aeson-jsonpath library and tests: Parse and run JSONPath queries on Aeson documents (json, library, mit, text, web)
aeson-lens library and test: Lens of Aeson (bsd3, data, library)
aeson-match-qq library and test: Declarative JSON matchers. (bsd2, library, web)
aeson-modern-tojson library and test: Provide a handy way for derving ToJSON proprely. (json, library, text, web)
aeson-native library: Fast JSON parsing and encoding (deprecated) (bsd3, deprecated, json, library, text, web)
aeson-openapi-record-as-tuple library and test: Encode and decode Haskell records as JSON tuples (default, library, mpl)
aeson-optics library: Law-abiding optics for aeson (data, json, library, mit, optics)
aeson-options library: Options to derive FromJSON/ToJSON instances (data, deprecated, json, library, mit)
aeson-parsec-picky library: Alternative JSON parser based on Parsec and Aeson (bsd3, json, library, text)
aeson-picker library and test: Tiny library to get fields from JSON format (bsd3, json, library, text, web)
aeson-possible library and test: Possible values for aeson (bsd3, data, json, library, web)
aeson-prefix library and test: Hiearchical prefixing for aeson (bsd3, json, library, text, web)
aeson-pretty library: JSON pretty-printing library and command-line tool. (bsd3, json, library, pretty-printer, text, web)
aeson-qq library and test: JSON quasiquoter for Haskell (json, library, mit)
aeson-quick library, test and benchmark: Quick JSON extractions with Aeson (bsd3, json, library)
aeson-result library: API Result for aeson (aeson, api, bsd3, library, web)
aeson-schema library and test: Haskell JSON schema validator and parser generator (data, library, mit)
aeson-schemas library, test and benchmark: Easily consume JSON data on-demand with type-safety (bsd3, json, library, quasiquoters)
aeson-serialize library and test: Simple serialization functions for aeson types (bsd3, library, unclassified)
aeson-single-field library and test: Conveniently wrap a single value in a record when encoding to and from JSON (json, library, mit, text, web)
aeson-smart library: Smart derivation of Aeson instances (library, mit, web)
aeson-streams library: An HTTP client library for JSON-based APIs (bsd3, library, web)
aeson-t library and test: Transform JSON (data, library, mit)
aeson-tiled library: Aeson instances for the Tiled map editor. (bsd3, game-engine, library)
aeson-toolkit library and test: A generalization of Aeson over Failure (json, library, mit, text, web)
aeson-typescript library and test: Generate TypeScript definition files from your ADTs (bsd3, json, library, text, web)
aeson-unqualified-ast library: Aliases to "aeson" AST making it importable unqualified (library, mit, unclassified)
aeson-utils library: Utilities for working with Aeson. (bsd3, data, library)
aeson-value-parser library: API for parsing "aeson" JSON tree into Haskell types (data, json, library, mit, parsing)
aeson-value-qq library and test: QuasiQuoter for Aeson.Value (bsd2, library, unclassified)
aeson-via library and test: Wrappers to derive-via Aeson ToJSON/FromJSON typeclasses (bsd3, data, library)
aeson-warning-parser library: Library providing JSON parser that warns about unexpected fields in objects. (bsd3, json, library)
aeson-with library: withXField combinators for aeson (aeson, data, library, mit)
aeson-yak library: Handle JSON that may or may not be a list, or exist (data, library, mit)
aeson-yaml library and test: Output any Aeson value as YAML (pure Haskell library) (bsd3, json, library, text, web, yaml)
affection library: A simple Game Engine using SDL (game, lgpl, library)
affine library: Affine spaces (generalized) (bsd3, library, math)
affine-invariant-ensemble-mcmc library: General-purpose sampling (bsd3, deprecated, library, machine-learning, numerical, statistics)
affinely-extended library: (data, library, mit)
afis library and test: Anti-forensic Information Splitter (bsd3, cryptography, data, library)
aftovolio library and programs: An AFTOVolio implementation for creating texts with special phonetic / prosodic properties. (aftovolio, language, library, math, mit, music, poetry, program, rhythmicity)
afv program: Infinite state model checking of iterative C programs. (bsd3, formal-methods, program)
ag-pictgen program: Attribute Grammar picture generation (bsd3, development, program)
agda-language-server library, program and test: An implementation of language server protocal (LSP) for Agda 2. (development, library, mit, program)
agda-server program: Http server for Agda (prototype) (bsd3, dependent-types, deprecated, program)
agda-snippets library and program: Render just the Agda snippets of a literate Agda file to HTML (bsd3, dependent-types, deprecated, library, program)
agda-snippets-hakyll library: Literate Agda support using agda-snippets, for Hakyll pages. (bsd3, dependent-types, deprecated, library)
agda-unused library, program and test: Check for unused code in an Agda project. (dependent-types, library, mit, program)
agda2hs program: Compiling Agda code to readable Haskell. (bsd3, compiler, language, program)
agda2lagda program and test: Translate .agda files into .lagda.tex files. (dependent-types, development, program)
agda2train library and program: Agda backend to generate training data for machine learning purposes. (agda, bsd3, library, machine-learning, program)
age library and test: Actually Good Encryption (cryptography, library, mit)
agent-push-kit library and test: Auto-generated agent-push-kit API Client (library, mit, web)
agentx library: AgentX protocol for write SNMP subagents (bsd3, library, network)
agreeing library and test: Idiomatic data structure for agreement (bsd3, data, library)
agum library and program: Unification and Matching in an Abelian Group (algebra, library, program)
ai-agent-diff-patch library, programs and test: Unified diff generation and fuzzy patch application for AI agents (library, mit, program, text)
aig library and test: And-inverter graphs in Haskell. (bsd3, data, library)
aihc-cpp library and test: Pure Haskell C preprocessor for aihc (development, library)
aihc-parser library and test: Haskell parser (development, library)
aip library, program and test: Aeronautical Information Package (AIP) (aviation, bsd3, data, library, program)
aip-version program: Version of AIP documents (aviation, bsd3, data, program)
air library: air (bsd3, development, library)
air-extra library: air-extra (bsd3, development, library)
air-spec library: air spec helper (bsd3, development, library)
air-th library: air (bsd3, development, library)
airbrake library: An Airbrake notifier for Haskell (bsd3, library, network)
airgql library and test: Automatically generate a GraphQL API for an SQLite database (agpl, cli-tool, database, graphql, library, servant, sql, sqlite, web)
airship library and test: A Webmachine-inspired HTTP library (library, mit, web)
airtable-api library and test: Requesting and introspecting Tables within an Airtable project. (bsd3, library, web)
aivika library: A multi-method simulation library (bsd3, library, simulation)
aivika-branches library: Nested discrete event simulation module for the Aivika library (bsd3, library, simulation)
aivika-distributed library: Parallel distributed discrete event simulation module for the Aivika library (bsd3, library, simulation)
aivika-experiment library: Simulation experiments for the Aivika library (bsd3, library, simulation)
aivika-experiment-cairo library: Cairo-based charting backend for the Aivika simulation library (bsd3, library, simulation)
aivika-experiment-chart library: Simulation experiments with charting for the Aivika library (bsd3, library, simulation)
aivika-experiment-diagrams library: Diagrams-based charting backend for the Aivika simulation library (bsd3, library, simulation)
aivika-gpss library: GPSS-like DSL for Aivika (bsd3, library, simulation)
aivika-lattice library: Nested discrete event simulation module for the Aivika library using lattice (bsd3, library, simulation)
aivika-realtime library: Soft real-time simulation module for the Aivika library (bsd3, library, simulation)
aivika-transformers library: Transformers for the Aivika simulation library (bsd3, library, simulation)
ajhc library and programs: Haskell compiler that produce binary through C language (compiler, gpl, library, program)
al library: OpenAL 1.1 raw API. (bsd3, library, sound)
alarmclock library and test: Wake up and perform an action at a certain time. (bsd3, concurrency, library)
alea program: a diceware passphrase generator (mit, program, utility)
alerta library: Bindings to the alerta REST API (api, bsd3, library, monitoring, web)
alerts library: Alert messages for web applications (bsd3, library, web)
alex program and tests: Alex is a tool for generating lexical analysers in Haskell (bsd3, development, program)
alex-meta library: Quasi-quoter for Alex lexers (bsd3, development, library)
alex-prelude library: Collection of useful functions for writing console applications (bsd3, library, system)
alex-tools library: A set of functions for a common use case of Alex. (development, library)
alfred library: utility library for Alfred version 2 (bsd3, library, utils)
alfred-margaret library, program, test and benchmarks: Fast Aho-Corasick string searching (bsd3, data, library, program, text)
alg library: Algebraic structures (bsd3, deprecated, library, math)
alga library, program and test: Algorithmic automation for various DAWs (deprecated, gpl, language, library, program)
algebra library: Constructive abstract algebra (algebra, bsd3, library, math)
algebra-checkers library: Model and test API surfaces algebraically (bsd3, library, model)
algebra-dag library: Infrastructure for DAG-shaped relational algebra plans (bsd3, database, library)
algebra-driven-design library: Companion library for the book Algebra-Driven Design by Sandy Maguire (book, bsd3, library)
algebra-sql library and programs: Relational Algebra and SQL Code Generation (bsd3, database, library, program)
algebraic library: General linear algebra structures. (algebra, bsd3, library, math)
algebraic-classes library: Conversions between algebraic classes and F-algebras. (bsd3, data, generics, library, math)
algebraic-edge-graphs library, test and benchmark: A library for algebraic edge-graph construction and transformation (algebra, algorithms, data-structures, graphs, library, mit)
algebraic-graph-duoids library and tests: Duoid instances for the algebraic-graphs package (algebra, error-handling, graphs, library)
algebraic-graphs library and test: A library for algebraic graph construction and transformation (algebra, algorithms, data-structures, graphs, library, mit)
algebraic-graphs-io library and test: I/O utilities and datasets for algebraic-graphs (bsd3, data-mining, graphs, library, parsing)
algebraic-path library and test: Flexible and simple path manipulation library (filepath, filesystem, library, mit, path)
algebraic-prelude library: Algebraically structured Prelude (bsd3, library, web)
algo-s library, program, test and benchmark: An implementation of Knuth's algorithm S. (apache, data, library, program)
algolia library and test: A client implementing the Algolia search API (bsd3, library, web)
algorithmic-composition-additional library and program: Helps to create experimental music from a file (or its part) and a Ukrainian text. (Ukrainian, algorithmic-composition, language, library, mit, music, program, sound, sox)
algorithmic-composition-basic library: Helps to create experimental music from a file (or its part) and a Ukrainian text. (Ukrainian, algorithmic-composition, language, library, mit, music, sound, sox)
algorithmic-composition-complex library: Helps to create more complex experimental music from a file (especially timbre). (Ukrainian, algorithmic-composition, library, mit, music, sound, sox)
algorithmic-composition-frequency-shift library: Helps to create experimental music. Uses SoX inside. (algorithmic-composition, library, mit, music, sound, sox)
algorithmic-composition-overtones library: Some variants of the overtones functions to generate a timbre. (algorithmic-composition, audio, library, mit, sound, sox, timbre)
algraph library and test: Graph library using adjacency list representation (algorithms, graphs, lgpl, library)
align library: Sequence alignment algorithms. (bsd3, data, library)
align-affine library: Sequence alignment with an affine gap penalty model (bsd3, data, library)
align-audio program and test: Find relative time displacement of two recordings of the same music (bsd3, program, sound)
align-equal library, program and test: Aligns text prefixes before '=' for consistent formatting (library, mit, program, text)
align-text program: A simple unix filter to align text on specified substrings (mit, program, text)
aligned-foreignptr library: An aligned ForeignPtr type (foreign, library, public-domain, system)
alignment library, tests and benchmarks: Principled functor alignment with leftovers (bsd3, data, library)
alist library: lists with O(1) append (bsd3, data, library)
allen library, program, test and benchmark: A monadic way of calculating relations between intervals of time. (algebra, bsd3, library, program)
allocated-processor library: Functional combinators for monadic actions that require allocation and de-allocation (bsd3, control, library)
alloy library: Generic programming library (bsd3, generics, library)
alloy-proxy-fd library: Some add-on instances for the Alloy library (bsd3, generics, library)
ally-invest library and test: Ally Invest integration library (bsd3, finance, library)
almost-fix library: Recurse while a predicate is satisfied (bsd3, library, unclassified)
alms program: a practical affine language (bsd3, compilers-interpreters, program)
alpaca-netcode library and test: Rollback/replay NetCode for realtime, deterministic, multiplayer games. (apache, game-engine, library, network)
alpha program: A compiler for the Alpha language (bsd3, compiler, program)
alphachar library and test: A character between a-z (bsd3, data, library)
alpino-tools library and programs: Alpino data manipulation tools (data, deprecated, library, natural-language-processing, program)
alsa library: Binding to the ALSA Library API. (bsd3, deprecated, library, music, sound)
alsa-core library: Binding to the ALSA Library API (Exceptions). (bsd3, library, music, sound)
alsa-gui programs: Some simple interactive programs for sending MIDI control messages via ALSA (bsd3, gui, music, program, sound)
alsa-midi library and programs: Bindings for the ALSA sequencer API (MIDI stuff) (deprecated, library, music, program, sound)
alsa-mixer library: Bindings to the ALSA simple mixer API. (bsd3, library, sound)
alsa-pcm library: Binding to the ALSA Library API (PCM audio). (bsd3, library, music, sound)
alsa-pcm-tests programs: Tests for the ALSA audio signal library. (bsd3, deprecated, music, program, sound)
alsa-seq library: Binding to the ALSA Library API (MIDI sequencer). (bsd3, library, music, sound)
alsa-seq-tests programs: Tests for the ALSA sequencer library. (bsd3, deprecated, music, program, sound)
altcomposition library: Alternative combinators for unorthodox function composition (bsd3, data, library)
alternative-extra library: Extra utilities for alternatives (bsd3, control, library)
alternative-io library: IO as Alternative instance (deprecated) (bsd3, data, deprecated, library)
alternative-vector library: Use vectors instead of lists for many and some (bsd3, library, web)
alternators library: Handy functions when using transformers. (bsd3, control, library)
altfloat library: Alternative floating point support for GHC. (library, numerical)
alto library and program: Implement a menu experience fit for web users. (bsd3, library, program, web)
altsvc library and test: HTTP Alternative Services (bsd3, library, network, web)
alure library: A Haskell binding for ALURE (library, sound)
always library: provides a typeclass that is always satisfied (bsd3, data, library)
amazon-emailer programs: A queue daemon for Amazon's SES with a PostgreSQL table as a queue. (bsd3, deprecated, network, program)
amazon-emailer-client-snap library: Client library for amazon-emailer daemon (bsd3, deprecated, library, network)
amazon-products library and program: Connector for Amazon Products API (library, mit, program, web)
amazonka library: Comprehensive Amazon Web Services SDK. (aws, library, mpl)
amazonka-accessanalyzer library and test: Amazon Access Analyzer SDK. (aws, library, mpl)
amazonka-account library and test: Amazon Account SDK. (aws, library, mpl)
amazonka-alexa-business library and test: Amazon Alexa For Business SDK. (aws, library, mpl)
amazonka-amp library and test: Amazon Prometheus Service SDK. (aws, library, mpl)
amazonka-amplify library and test: Amazon Amplify SDK. (aws, library, mpl)
amazonka-amplifybackend library and test: Amazon AmplifyBackend SDK. (aws, library, mpl)
amazonka-amplifyuibuilder library and test: Amazon Amplify UI Builder SDK. (aws, library, mpl)
amazonka-apigateway library and test: Amazon API Gateway SDK. (aws, library, mpl)
amazonka-apigatewaymanagementapi library and test: Amazon ApiGatewayManagementApi SDK. (aws, library, mpl)
amazonka-apigatewayv2 library and test: Amazon ApiGatewayV2 SDK. (aws, library, mpl)
amazonka-appconfig library and test: Amazon AppConfig SDK. (aws, library, mpl)
amazonka-appconfigdata library and test: Amazon AppConfig Data SDK. (aws, library, mpl)
amazonka-appflow library and test: Amazon Appflow SDK. (aws, library, mpl)
amazonka-appintegrations library and test: Amazon AppIntegrations Service SDK. (aws, library, mpl)
amazonka-application-autoscaling library and test: Amazon Application Auto Scaling SDK. (aws, library, mpl)
amazonka-application-insights library and test: Amazon CloudWatch Application Insights SDK. (aws, library, mpl)
amazonka-applicationcostprofiler library and test: Amazon Application Cost Profiler SDK. (aws, library, mpl)
amazonka-appmesh library and test: Amazon App Mesh SDK. (aws, library, mpl)
amazonka-apprunner library and test: Amazon App Runner SDK. (aws, library, mpl)
amazonka-appstream library and test: Amazon AppStream SDK. (aws, library, mpl)
amazonka-appsync library and test: Amazon AppSync SDK. (aws, library, mpl)
amazonka-arc-zonal-shift library and test: Amazon ARC - Zonal Shift SDK. (aws, library, mpl)
amazonka-athena library and test: Amazon Athena SDK. (aws, library, mpl)
amazonka-auditmanager library and test: Amazon Audit Manager SDK. (aws, library, mpl)
amazonka-autoscaling library and test: Amazon Auto Scaling SDK. (aws, library, mpl)
amazonka-autoscaling-plans library and test: Amazon Auto Scaling Plans SDK. (aws, library, mpl)
amazonka-backup library and test: Amazon Backup SDK. (aws, library, mpl)
amazonka-backup-gateway library and test: Amazon Backup Gateway SDK. (aws, library, mpl)
amazonka-backupstorage library and test: Amazon Backup Storage SDK. (aws, library, mpl)
amazonka-batch library and test: Amazon Batch SDK. (aws, library, mpl)
amazonka-billingconductor library and test: Amazon BillingConductor SDK. (aws, library, mpl)
amazonka-braket library and test: Amazon Braket SDK. (aws, library, mpl)
amazonka-budgets library and test: Amazon Budgets SDK. (aws, library, mpl)
amazonka-certificatemanager library and test: Amazon Certificate Manager SDK. (aws, library, mpl)
amazonka-certificatemanager-pca library and test: Amazon Certificate Manager Private Certificate Authority SDK. (aws, library, mpl)
amazonka-chime library and test: Amazon Chime SDK. (aws, library, mpl)
amazonka-chime-sdk-identity library and test: Amazon Chime SDK Identity SDK. (aws, library, mpl)
amazonka-chime-sdk-media-pipelines library and test: Amazon Chime SDK Media Pipelines SDK. (aws, library, mpl)
amazonka-chime-sdk-meetings library and test: Amazon Chime SDK Meetings SDK. (aws, library, mpl)
amazonka-chime-sdk-messaging library and test: Amazon Chime SDK Messaging SDK. (aws, library, mpl)
amazonka-chime-sdk-voice library and test: Amazon Chime SDK Voice SDK. (aws, library, mpl)
amazonka-cloud9 library and test: Amazon Cloud9 SDK. (aws, library, mpl)
amazonka-cloudcontrol library and test: Amazon Cloud Control API SDK. (aws, library, mpl)
amazonka-clouddirectory library and test: Amazon CloudDirectory SDK. (aws, library, mpl)
amazonka-cloudformation library and test: Amazon CloudFormation SDK. (aws, library, mpl)
amazonka-cloudfront library and test: Amazon CloudFront SDK. (aws, library, mpl)
amazonka-cloudhsm library and test: Amazon CloudHSM SDK. (aws, library, mpl)
amazonka-cloudhsmv2 library and test: Amazon CloudHSM V2 SDK. (aws, library, mpl)
amazonka-cloudsearch library and test: Amazon CloudSearch SDK. (aws, library, mpl)
amazonka-cloudsearch-domains library and test: Amazon CloudSearch Domain SDK. (aws, library, mpl)
amazonka-cloudtrail library and test: Amazon CloudTrail SDK. (aws, library, mpl)
amazonka-cloudwatch library and test: Amazon CloudWatch SDK. (aws, library, mpl)
amazonka-cloudwatch-events library and test: Amazon EventBridge SDK. (aws, library, mpl)
amazonka-cloudwatch-logs library and test: Amazon CloudWatch Logs SDK. (aws, library, mpl)
amazonka-codeartifact library and test: Amazon CodeArtifact SDK. (aws, library, mpl)
amazonka-codebuild library and test: Amazon CodeBuild SDK. (aws, library, mpl)
amazonka-codecommit library and test: Amazon CodeCommit SDK. (aws, library, mpl)
amazonka-codedeploy library and test: Amazon CodeDeploy SDK. (aws, library, mpl)
amazonka-codeguru-reviewer library and test: Amazon CodeGuru Reviewer SDK. (aws, library, mpl)
amazonka-codeguruprofiler library and test: Amazon CodeGuru Profiler SDK. (aws, library, mpl)
amazonka-codepipeline library and test: Amazon CodePipeline SDK. (aws, library, mpl)
amazonka-codestar library and test: Amazon CodeStar SDK. (aws, library, mpl)
amazonka-codestar-connections library and test: Amazon CodeStar connections SDK. (aws, library, mpl)
amazonka-codestar-notifications library and test: Amazon CodeStar Notifications SDK. (aws, library, mpl)
amazonka-cognito-identity library and test: Amazon Cognito Identity SDK. (aws, library, mpl)
amazonka-cognito-idp library and test: Amazon Cognito Identity Provider SDK. (aws, library, mpl)
amazonka-cognito-sync library and test: Amazon Cognito Sync SDK. (aws, library, mpl)
amazonka-comprehend library and test: Amazon Comprehend SDK. (aws, library, mpl)
amazonka-comprehendmedical library and test: Amazon Comprehend Medical SDK. (aws, library, mpl)
amazonka-compute-optimizer library and test: Amazon Compute Optimizer SDK. (aws, library, mpl)
amazonka-config library and test: Amazon Config SDK. (aws, library, mpl)
amazonka-connect library and test: Amazon Connect Service SDK. (aws, library, mpl)
amazonka-connect-contact-lens library and test: Amazon Connect Contact Lens SDK. (aws, library, mpl)
amazonka-connectcampaigns library and test: Amazon ConnectCampaignService SDK. (aws, library, mpl)
amazonka-connectcases library and test: Amazon Connect Cases SDK. (aws, library, mpl)
amazonka-connectparticipant library and test: Amazon Connect Participant Service SDK. (aws, library, mpl)
amazonka-contrib-rds-utils library and program: A Haskell equivalent of "aws rds generate-db-auth-token" (aws, library, mpl, program)
amazonka-controltower library and test: Amazon Control Tower SDK. (aws, library, mpl)
amazonka-core library and test: Core data types and functionality for Amazonka libraries. (aws, library, mpl)
amazonka-cost-explorer library and test: Amazon Cost Explorer Service SDK. (aws, library, mpl)
amazonka-cur library and test: Amazon Cost and Usage Report Service SDK. (aws, library, mpl)
amazonka-customer-profiles library and test: Amazon Connect Customer Profiles SDK. (aws, library, mpl)
amazonka-databrew library and test: Amazon Glue DataBrew SDK. (aws, library, mpl)
amazonka-dataexchange library and test: Amazon Data Exchange SDK. (aws, library, mpl)
amazonka-datapipeline library and test: Amazon Data Pipeline SDK. (aws, library, mpl)
amazonka-datasync library and test: Amazon DataSync SDK. (aws, library, mpl)
amazonka-detective library and test: Amazon Detective SDK. (aws, library, mpl)
amazonka-devicefarm library and test: Amazon Device Farm SDK. (aws, library, mpl)
amazonka-devops-guru library and test: Amazon DevOps Guru SDK. (aws, library, mpl)
amazonka-directconnect library and test: Amazon Direct Connect SDK. (aws, library, mpl)
amazonka-discovery library and test: Amazon Application Discovery Service SDK. (aws, library, mpl)
amazonka-dlm library and test: Amazon Data Lifecycle Manager SDK. (aws, library, mpl)
amazonka-dms library and test: Amazon Database Migration Service SDK. (aws, library, mpl)
amazonka-docdb library and test: Amazon DocumentDB with MongoDB compatibility SDK. (aws, library, mpl)
amazonka-docdb-elastic library and test: Amazon DocumentDB Elastic Clusters SDK. (aws, library, mpl)
amazonka-drs library and test: Amazon Elastic Disaster Recovery Service SDK. (aws, library, mpl)
amazonka-ds library and test: Amazon Directory Service SDK. (aws, library, mpl)
amazonka-dynamodb library and test: Amazon DynamoDB SDK. (aws, library, mpl)
amazonka-dynamodb-dax library and test: Amazon DynamoDB Accelerator (DAX) SDK. (aws, library, mpl)
amazonka-dynamodb-streams library and test: Amazon DynamoDB Streams SDK. (aws, library, mpl)
amazonka-ebs library and test: Amazon Elastic Block Store SDK. (aws, library, mpl)
amazonka-ec2 library and test: Amazon Elastic Compute Cloud SDK. (aws, library, mpl)
amazonka-ec2-instance-connect library and test: Amazon EC2 Instance Connect SDK. (aws, library, mpl)
amazonka-ecr library and test: Amazon EC2 Container Registry SDK. (aws, library, mpl)
amazonka-ecr-public library and test: Amazon Elastic Container Registry Public SDK. (aws, library, mpl)
amazonka-ecs library and test: Amazon EC2 Container Service SDK. (aws, library, mpl)
amazonka-efs library and test: Amazon Elastic File System SDK. (aws, library, mpl)
amazonka-eks library and test: Amazon Elastic Kubernetes Service SDK. (aws, library, mpl)
amazonka-elastic-inference library and test: Amazon Elastic Inference SDK. (aws, library, mpl)
amazonka-elasticache library and test: Amazon ElastiCache SDK. (aws, library, mpl)
amazonka-elasticbeanstalk library and test: Amazon Elastic Beanstalk SDK. (aws, library, mpl)
amazonka-elasticsearch library and test: Amazon Elasticsearch Service SDK. (aws, library, mpl)
amazonka-elastictranscoder library and test: Amazon Elastic Transcoder SDK. (aws, library, mpl)
amazonka-elb library and test: Amazon Elastic Load Balancing SDK. (aws, library, mpl)
amazonka-elbv2 library and test: Amazon Elastic Load Balancing SDK. (aws, library, mpl)
amazonka-emr library and test: Amazon EMR SDK. (aws, library, mpl)
amazonka-emr-containers library and test: Amazon EMR Containers SDK. (aws, library, mpl)
amazonka-emr-serverless library and test: Amazon EMR Serverless SDK. (aws, library, mpl)
amazonka-evidently library and test: Amazon CloudWatch Evidently SDK. (aws, library, mpl)
amazonka-finspace library and test: Amazon FinSpace User Environment Management service SDK. (aws, library, mpl)
amazonka-finspace-data library and test: Amazon FinSpace Public API SDK. (aws, library, mpl)
amazonka-fis library and test: Amazon Fault Injection Simulator SDK. (aws, library, mpl)
amazonka-fms library and test: Amazon Firewall Management Service SDK. (aws, library, mpl)
amazonka-forecast library and test: Amazon Forecast Service SDK. (aws, library, mpl)
amazonka-forecastquery library and test: Amazon Forecast Query Service SDK. (aws, library, mpl)
amazonka-frauddetector library and test: Amazon Fraud Detector SDK. (aws, library, mpl)
amazonka-fsx library and test: Amazon FSx SDK. (aws, library, mpl)
amazonka-gamelift library and test: Amazon GameLift SDK. (aws, library, mpl)
amazonka-gamesparks library and test: Amazon GameSparks SDK. (aws, library, mpl)
amazonka-glacier library and test: Amazon Glacier SDK. (aws, library, mpl)
amazonka-globalaccelerator library and test: Amazon Global Accelerator SDK. (aws, library, mpl)
amazonka-glue library and test: Amazon Glue SDK. (aws, library, mpl)
amazonka-grafana library and test: Amazon Managed Grafana SDK. (aws, library, mpl)
amazonka-greengrass library and test: Amazon Greengrass SDK. (aws, library, mpl)
amazonka-greengrassv2 library and test: Amazon IoT Greengrass V2 SDK. (aws, library, mpl)
amazonka-groundstation library and test: Amazon Ground Station SDK. (aws, library, mpl)
amazonka-guardduty library and test: Amazon GuardDuty SDK. (aws, library, mpl)
amazonka-health library and test: Amazon Health APIs and Notifications SDK. (aws, library, mpl)
amazonka-healthlake library and test: Amazon HealthLake SDK. (aws, library, mpl)
amazonka-honeycode library and test: Amazon Honeycode SDK. (aws, library, mpl)
amazonka-iam library and test: Amazon Identity and Access Management SDK. (aws, library, mpl)
amazonka-iam-policy library and tests: Amazon IAM Policy Document DSL and Combinators. (aws, cloud, library, mpl, network)
amazonka-identitystore library and test: Amazon SSO Identity Store SDK. (aws, library, mpl)
amazonka-imagebuilder library and test: Amazon EC2 Image Builder SDK. (aws, library, mpl)
amazonka-importexport library and test: Amazon Import/Export SDK. (aws, library, mpl)
amazonka-inspector library and test: Amazon Inspector SDK. (aws, library, mpl)
amazonka-inspector2 library and test: Amazon Inspector2 SDK. (aws, library, mpl)
amazonka-iot library and test: Amazon IoT SDK. (aws, library, mpl)
amazonka-iot-analytics library and test: Amazon IoT Analytics SDK. (aws, library, mpl)
amazonka-iot-dataplane library and test: Amazon IoT Data Plane SDK. (aws, library, mpl)
amazonka-iot-jobs-dataplane library and test: Amazon IoT Jobs Data Plane SDK. (aws, library, mpl)
amazonka-iot-roborunner library and test: Amazon IoT RoboRunner SDK. (aws, library, mpl)
amazonka-iot1click-devices library and test: Amazon IoT 1-Click Devices Service SDK. (aws, library, mpl)
amazonka-iot1click-projects library and test: Amazon IoT 1-Click Projects Service SDK. (aws, library, mpl)
amazonka-iotdeviceadvisor library and test: Amazon IoT Core Device Advisor SDK. (aws, library, mpl)
amazonka-iotevents library and test: Amazon IoT Events SDK. (aws, library, mpl)
amazonka-iotevents-data library and test: Amazon IoT Events Data SDK. (aws, library, mpl)
amazonka-iotfleethub library and test: Amazon IoT Fleet Hub SDK. (aws, library, mpl)
amazonka-iotfleetwise library and test: Amazon IoT FleetWise SDK. (aws, library, mpl)
amazonka-iotsecuretunneling library and test: Amazon IoT Secure Tunneling SDK. (aws, library, mpl)
amazonka-iotsitewise library and test: Amazon IoT SiteWise SDK. (aws, library, mpl)
amazonka-iotthingsgraph library and test: Amazon IoT Things Graph SDK. (aws, library, mpl)
amazonka-iottwinmaker library and test: Amazon IoT TwinMaker SDK. (aws, library, mpl)
amazonka-iotwireless library and test: Amazon IoT Wireless SDK. (aws, library, mpl)
amazonka-ivs library and test: Amazon Interactive Video Service SDK. (aws, library, mpl)
amazonka-ivschat library and test: Amazon Interactive Video Service Chat SDK. (aws, library, mpl)
amazonka-kafka library and test: Amazon Managed Streaming for Kafka SDK. (aws, library, mpl)
amazonka-kafkaconnect library and test: Amazon Managed Streaming for Kafka Connect SDK. (aws, library, mpl)
amazonka-kendra library and test: Amazon KendraFrontendService SDK. (aws, library, mpl)
amazonka-keyspaces library and test: Amazon Keyspaces SDK. (aws, library, mpl)
amazonka-kinesis library and test: Amazon Kinesis SDK. (aws, library, mpl)
amazonka-kinesis-analytics library and test: Amazon Kinesis Analytics SDK. (aws, library, mpl)
amazonka-kinesis-firehose library and test: Amazon Kinesis Firehose SDK. (aws, library, mpl)
amazonka-kinesis-video library and test: Amazon Kinesis Video Streams SDK. (aws, library, mpl)
amazonka-kinesis-video-archived-media library and test: Amazon Kinesis Video Streams Archived Media SDK. (aws, library, mpl)
amazonka-kinesis-video-media library and test: Amazon Kinesis Video Streams Media SDK. (aws, library, mpl)
amazonka-kinesis-video-signaling library and test: Amazon Kinesis Video Signaling Channels SDK. (aws, library, mpl)
amazonka-kinesis-video-webrtc-storage library and test: Amazon Kinesis Video WebRTC Storage SDK. (aws, library, mpl)
amazonka-kinesisanalyticsv2 library and test: Amazon Kinesis Analytics SDK. (aws, library, mpl)
amazonka-kms library and test: Amazon Key Management Service SDK. (aws, library, mpl)
amazonka-lakeformation library and test: Amazon Lake Formation SDK. (aws, library, mpl)
amazonka-lambda library and test: Amazon Lambda SDK. (aws, library, mpl)
amazonka-lex-models library and test: Amazon Lex Model Building Service SDK. (aws, library, mpl)
amazonka-lex-runtime library and test: Amazon Lex Runtime Service SDK. (aws, library, mpl)
amazonka-lexv2-models library and test: Amazon Lex Model Building V2 SDK. (aws, library, mpl)
amazonka-license-manager library and test: Amazon License Manager SDK. (aws, library, mpl)
amazonka-license-manager-linux-subscriptions library and test: Amazon License Manager Linux Subscriptions SDK. (aws, library, mpl)
amazonka-license-manager-user-subscriptions library and test: Amazon License Manager User Subscriptions SDK. (aws, library, mpl)
amazonka-lightsail library and test: Amazon Lightsail SDK. (aws, library, mpl)
amazonka-location library and test: Amazon Location Service SDK. (aws, library, mpl)
amazonka-lookoutequipment library and test: Amazon Lookout for Equipment SDK. (aws, library, mpl)
amazonka-lookoutmetrics library and test: Amazon Lookout for Metrics SDK. (aws, library, mpl)
amazonka-lookoutvision library and test: Amazon Lookout for Vision SDK. (aws, library, mpl)
amazonka-m2 library and test: Amazon MainframeModernization SDK. (aws, library, mpl)
amazonka-macie library and test: Amazon Macie SDK. (aws, library, mpl)
amazonka-maciev2 library and test: Amazon Macie 2 SDK. (aws, library, mpl)
amazonka-managedblockchain library and test: Amazon Managed Blockchain SDK. (aws, library, mpl)
amazonka-marketplace-analytics library and test: Amazon Marketplace Commerce Analytics SDK. (aws, library, mpl)
amazonka-marketplace-catalog library and test: Amazon Marketplace Catalog Service SDK. (aws, library, mpl)
amazonka-marketplace-entitlement library and test: Amazon Marketplace Entitlement Service SDK. (aws, library, mpl)
amazonka-marketplace-metering library and test: Amazon Marketplace Metering SDK. (aws, library, mpl)
amazonka-mechanicalturk library and test: Amazon Mechanical Turk SDK. (aws, library, mpl)
amazonka-mediaconnect library and test: Amazon MediaConnect SDK. (aws, library, mpl)
amazonka-mediaconvert library and test: Amazon Elemental MediaConvert SDK. (aws, library, mpl)
amazonka-medialive library and test: Amazon Elemental MediaLive SDK. (aws, library, mpl)
amazonka-mediapackage library and test: Amazon Elemental MediaPackage SDK. (aws, library, mpl)
amazonka-mediapackage-vod library and test: Amazon Elemental MediaPackage VOD SDK. (aws, library, mpl)
amazonka-mediastore library and test: Amazon Elemental MediaStore SDK. (aws, library, mpl)
amazonka-mediastore-dataplane library and test: Amazon Elemental MediaStore Data Plane SDK. (aws, library, mpl)
amazonka-mediatailor library and test: Amazon MediaTailor SDK. (aws, library, mpl)
amazonka-memorydb library and test: Amazon MemoryDB SDK. (aws, library, mpl)
amazonka-mgn library and test: Amazon Application Migration Service SDK. (aws, library, mpl)
amazonka-migration-hub-refactor-spaces library and test: Amazon Migration Hub Refactor Spaces SDK. (aws, library, mpl)
amazonka-migrationhub library and test: Amazon Migration Hub SDK. (aws, library, mpl)
amazonka-migrationhub-config library and test: Amazon Migration Hub Config SDK. (aws, library, mpl)
amazonka-migrationhuborchestrator library and test: Amazon Migration Hub Orchestrator SDK. (aws, library, mpl)
amazonka-migrationhubstrategy library and test: Amazon Migration Hub Strategy Recommendations SDK. (aws, library, mpl)
amazonka-ml library and test: Amazon Machine Learning SDK. (aws, library, mpl)
amazonka-mobile library and test: Amazon Mobile SDK. (aws, library, mpl)
amazonka-mq library and test: Amazon MQ SDK. (aws, library, mpl)
amazonka-mtl library and tests: MTL-style type-class and deriving-via newtypes for Amazonka (library, mit, utils)
amazonka-mwaa library and test: Amazon MWAA SDK. (aws, library, mpl)
amazonka-neptune library and test: Amazon Neptune SDK. (aws, library, mpl)
amazonka-network-firewall library and test: Amazon Network Firewall SDK. (aws, library, mpl)
amazonka-networkmanager library and test: Amazon Network Manager SDK. (aws, library, mpl)
amazonka-nimble library and test: Amazon NimbleStudio SDK. (aws, library, mpl)
amazonka-oam library and test: Amazon CloudWatch Observability Access Manager SDK. (aws, library, mpl)
amazonka-omics library and test: Amazon Omics SDK. (aws, library, mpl)
amazonka-opensearch library and test: Amazon OpenSearch Service SDK. (aws, library, mpl)
amazonka-opensearchserverless library and test: Amazon OpenSearch Service Serverless SDK. (aws, library, mpl)
amazonka-opsworks library and test: Amazon OpsWorks SDK. (aws, library, mpl)
amazonka-opsworks-cm library and test: Amazon OpsWorks CM SDK. (aws, library, mpl)
amazonka-organizations library and test: Amazon Organizations SDK. (aws, library, mpl)
amazonka-outposts library and test: Amazon Outposts SDK. (aws, library, mpl)
amazonka-panorama library and test: Amazon Panorama SDK. (aws, library, mpl)
amazonka-personalize library and test: Amazon Personalize SDK. (aws, library, mpl)
amazonka-personalize-events library and test: Amazon Personalize Events SDK. (aws, library, mpl)
amazonka-personalize-runtime library and test: Amazon Personalize Runtime SDK. (aws, library, mpl)
amazonka-pi library and test: Amazon Performance Insights SDK. (aws, library, mpl)
amazonka-pinpoint library and test: Amazon Pinpoint SDK. (aws, library, mpl)
amazonka-pinpoint-email library and test: Amazon Pinpoint Email Service SDK. (aws, library, mpl)
amazonka-pinpoint-sms-voice library and test: Amazon Pinpoint SMS and Voice Service SDK. (aws, library, mpl)
amazonka-pinpoint-sms-voice-v2 library and test: Amazon Pinpoint SMS Voice V2 SDK. (aws, library, mpl)
amazonka-pipes library and test: Amazon EventBridge Pipes SDK. (aws, library, mpl)
amazonka-polly library and test: Amazon Polly SDK. (aws, library, mpl)
amazonka-pricing library and test: Amazon Price List Service SDK. (aws, library, mpl)
amazonka-privatenetworks library and test: Amazon Private 5G SDK. (aws, library, mpl)
amazonka-proton library and test: Amazon Proton SDK. (aws, library, mpl)
amazonka-qldb library and test: Amazon QLDB SDK. (aws, library, mpl)
amazonka-qldb-session library and test: Amazon QLDB Session SDK. (aws, library, mpl)
amazonka-quicksight library and test: Amazon QuickSight SDK. (aws, library, mpl)
amazonka-ram library and test: Amazon Resource Access Manager SDK. (aws, library, mpl)
amazonka-rbin library and test: Amazon Recycle Bin SDK. (aws, library, mpl)
amazonka-rds library and test: Amazon Relational Database Service SDK. (aws, library, mpl)
amazonka-rds-data library and test: Amazon RDS DataService SDK. (aws, library, mpl)
amazonka-redshift library and test: Amazon Redshift SDK. (aws, library, mpl)
amazonka-redshift-data library and test: Amazon Redshift Data API Service SDK. (aws, library, mpl)
amazonka-redshift-serverless library and test: Amazon Redshift Serverless SDK. (aws, library, mpl)
amazonka-rekognition library and test: Amazon Rekognition SDK. (aws, library, mpl)
amazonka-resiliencehub library and test: Amazon Resilience Hub SDK. (aws, library, mpl)
amazonka-resource-explorer-v2 library and test: Amazon Resource Explorer SDK. (aws, library, mpl)
amazonka-resourcegroups library and test: Amazon Resource Groups SDK. (aws, library, mpl)
amazonka-resourcegroupstagging library and test: Amazon Resource Groups Tagging API SDK. (aws, library, mpl)
amazonka-robomaker library and test: Amazon RoboMaker SDK. (aws, library, mpl)
amazonka-rolesanywhere library and test: Amazon IAM Roles Anywhere SDK. (aws, library, mpl)
amazonka-route53 library and test: Amazon Route 53 SDK. (aws, library, mpl)
amazonka-route53-autonaming library and test: Amazon Cloud Map SDK. (aws, library, mpl)
amazonka-route53-domains library and test: Amazon Route 53 Domains SDK. (aws, library, mpl)
amazonka-route53-recovery-cluster library and test: Amazon Route53 Recovery Cluster SDK. (aws, library, mpl)
amazonka-route53-recovery-control-config library and test: Amazon Route53 Recovery Control Config SDK. (aws, library, mpl)
amazonka-route53-recovery-readiness library and test: Amazon Route53 Recovery Readiness SDK. (aws, library, mpl)
amazonka-route53resolver library and test: Amazon Route 53 Resolver SDK. (aws, library, mpl)
amazonka-rum library and test: Amazon CloudWatch RUM SDK. (aws, library, mpl)
amazonka-s3 library and test: Amazon Simple Storage Service SDK. (aws, library, mpl)
amazonka-s3-encryption library and test: Amazon Simple Storage Service SDK - Client-Side Encryption. (aws, library, mpl)
amazonka-s3-streaming library: Provides conduits to upload data to S3 using the Multipart API (aws, bsd3, cloud, distributed-computing, library, network)
amazonka-s3outposts library and test: Amazon S3 on Outposts SDK. (aws, library, mpl)
amazonka-sagemaker library and test: Amazon SageMaker Service SDK. (aws, library, mpl)
amazonka-sagemaker-a2i-runtime library and test: Amazon Augmented AI Runtime SDK. (aws, library, mpl)
amazonka-sagemaker-edge library and test: Amazon Sagemaker Edge Manager SDK. (aws, library, mpl)
amazonka-sagemaker-featurestore-runtime library and test: Amazon SageMaker Feature Store Runtime SDK. (aws, library, mpl)
amazonka-sagemaker-geospatial library and test: Amazon SageMaker geospatial capabilities SDK. (aws, library, mpl)
amazonka-sagemaker-metrics library and test: Amazon SageMaker Metrics Service SDK. (aws, library, mpl)
amazonka-sagemaker-runtime library and test: Amazon SageMaker Runtime SDK. (aws, library, mpl)
amazonka-savingsplans library and test: Amazon Savings Plans SDK. (aws, library, mpl)
amazonka-scheduler library and test: Amazon EventBridge Scheduler SDK. (aws, library, mpl)
amazonka-schemas library and test: Amazon Schemas SDK. (aws, library, mpl)
amazonka-sdb library and test: Amazon SimpleDB SDK. (aws, library, mpl)
amazonka-secretsmanager library and test: Amazon Secrets Manager SDK. (aws, library, mpl)
amazonka-securityhub library and test: Amazon SecurityHub SDK. (aws, library, mpl)
amazonka-securitylake library and test: Amazon Security Lake SDK. (aws, library, mpl)
amazonka-serverlessrepo library and test: Amazon ServerlessApplicationRepository SDK. (aws, library, mpl)
amazonka-service-quotas library and test: Amazon Quotas SDK. (aws, library, mpl)
amazonka-servicecatalog library and test: Amazon Service Catalog SDK. (aws, library, mpl)
amazonka-servicecatalog-appregistry library and test: Amazon Service Catalog App Registry SDK. (aws, library, mpl)
amazonka-ses library and test: Amazon Simple Email Service SDK. (aws, library, mpl)
amazonka-sesv2 library and test: Amazon Simple Email Service SDK. (aws, library, mpl)
amazonka-shield library and test: Amazon Shield SDK. (aws, library, mpl)
amazonka-signer library and test: Amazon Signer SDK. (aws, library, mpl)
amazonka-simspaceweaver library and test: Amazon SimSpace Weaver SDK. (aws, library, mpl)
amazonka-sms library and test: Amazon Server Migration Service SDK. (aws, library, mpl)
amazonka-sms-voice library and test: Amazon Pinpoint SMS and Voice Service SDK. (aws, library, mpl)
amazonka-snow-device-management library and test: Amazon Snow Device Management SDK. (aws, library, mpl)
amazonka-snowball library and test: Amazon Import/Export Snowball SDK. (aws, library, mpl)
amazonka-sns library and test: Amazon Simple Notification Service SDK. (aws, library, mpl)
amazonka-sqs library and test: Amazon Simple Queue Service SDK. (aws, library, mpl)
amazonka-ssm library and test: Amazon Simple Systems Manager (SSM) SDK. (aws, library, mpl)
amazonka-ssm-contacts library and test: Amazon Systems Manager Incident Manager Contacts SDK. (aws, library, mpl)
amazonka-ssm-incidents library and test: Amazon Systems Manager Incident Manager SDK. (aws, library, mpl)
amazonka-ssm-sap library and test: Amazon Systems Manager for SAP SDK. (aws, library, mpl)
amazonka-sso library and test: Amazon Single Sign-On SDK. (aws, library, mpl)
amazonka-sso-admin library and test: Amazon Single Sign-On Admin SDK. (aws, library, mpl)
amazonka-sso-oidc library and test: Amazon SSO OIDC SDK. (aws, library, mpl)
amazonka-stepfunctions library and test: Amazon Step Functions SDK. (aws, library, mpl)
amazonka-storagegateway library and test: Amazon Storage Gateway SDK. (aws, library, mpl)
amazonka-sts library and test: Amazon Security Token Service SDK. (aws, library, mpl)
amazonka-support library and test: Amazon Support SDK. (aws, library, mpl)
amazonka-support-app library and test: Amazon Support App SDK. (aws, library, mpl)
amazonka-swf library and test: Amazon Simple Workflow Service SDK. (aws, library, mpl)
amazonka-synthetics library and test: Amazon Synthetics SDK. (aws, library, mpl)
amazonka-test library: Common functionality for Amazonka library test-suites. (aws, library, mpl)
amazonka-textract library and test: Amazon Textract SDK. (aws, library, mpl)
amazonka-timestream-query library and test: Amazon Timestream Query SDK. (aws, library, mpl)
amazonka-timestream-write library and test: Amazon Timestream Write SDK. (aws, library, mpl)
amazonka-transcribe library and test: Amazon Transcribe Service SDK. (aws, library, mpl)
amazonka-transfer library and test: Amazon Transfer Family SDK. (aws, library, mpl)
amazonka-translate library and test: Amazon Translate SDK. (aws, library, mpl)
amazonka-voice-id library and test: Amazon Voice ID SDK. (aws, library, mpl)
amazonka-waf library and test: Amazon WAF SDK. (aws, library, mpl)
amazonka-waf-regional library and test: Amazon WAF Regional SDK. (aws, library, mpl)
amazonka-wafv2 library and test: Amazon WAFV2 SDK. (aws, library, mpl)
amazonka-wellarchitected library and test: Amazon Well-Architected Tool SDK. (aws, library, mpl)
amazonka-wisdom library and test: Amazon Connect Wisdom Service SDK. (aws, library, mpl)
amazonka-workdocs library and test: Amazon WorkDocs SDK. (aws, library, mpl)
amazonka-worklink library and test: Amazon WorkLink SDK. (aws, library, mpl)
amazonka-workmail library and test: Amazon WorkMail SDK. (aws, library, mpl)
amazonka-workmailmessageflow library and test: Amazon WorkMail Message Flow SDK. (aws, library, mpl)
amazonka-workspaces library and test: Amazon WorkSpaces SDK. (aws, library, mpl)
amazonka-workspaces-web library and test: Amazon WorkSpaces Web SDK. (aws, library, mpl)
amazonka-xray library and test: Amazon X-Ray SDK. (aws, library, mpl)
amby library, test and benchmark: Statistical data visualization (bsd3, graphics, library)
ampersand program and test: Toolsuite for automated design of business processes. (database-design, program)
amqp library, program and test: Client library for AMQP servers (currently only RabbitMQ) (bsd3, library, network, program)
amqp-conduit library and test: Conduit bindings for AMQP (see amqp package) (library, mit, network)
amqp-streamly library and test: A simple streamly wrapper for amqp (amqp, bsd3, conduit, library, rabbitmq, streamly)
amqp-utils programs: AMQP toolset for the command line (gpl, network, program)
amqp-worker library, program and test: Type-safe AMQP workers (bsd3, library, network, program)
amrun program: Interpreter for AM (compilers-interpreters, program)
anagrep library, program, test and benchmark: Find strings with permutations (anagrams) that match a regular expression (bsd3, library, program, text)
analyze library and test: making data science easy and safe with data frames (bsd3, data-science, library)
analyze-client library: Client for analyze service (bsd3, library, web)
anansi library and program: Simple literate programming preprocessor (development, gpl, library, program)
anansi-hscolour library: Colorized looms for Anansi (development, gpl, library)
anansi-pandoc library: Looms which use Pandoc to parse and produce a variety of formats. (development, gpl, library)
anatomy library and program: Anatomy: Atomo documentation system (bsd3, development, library, program)
android library: Android methods exposed to Haskell (gpl, library, system)
android-activity library: Turn regular Haskell programs into Android Activities (bsd3, library, mobile)
android-lint-summary library, program and test: A pretty printer for Android Lint errors (apache, library, program, web)
angel program and test: Process management and supervision daemon (bsd3, program, system)
angle library, program and benchmarks: A small, general-purpose programming language. (compilers-interpreters, gpl, library, program)
animalcase library: Convert camelCase to snake_case and vice versa (library, mit, text)
animascii program and test: text-file based ASCII animator (application, deprecated, gpl, program)
animate library and test: Animation for sprites (bsd3, game, library)
animate-example program: Animation for sprites (bsd3, game, program)
animate-frames library, program and test: Convert sprite frames to animate files (game, library, mit, program)
animate-preview library and program: Preview tool for sprite animation (bsd3, game, library, program)
animate-sdl2 library: sdl2 + animate auxiliary library (bsd3, game, library)
anitomata library and test: Composable sprite animation (game, library, mit)
anitomata-aseprite library, program and test: Code gen for Aseprite animations (game, library, mit, program)
anki-tools library and program: Tools for interacting with Anki database (bsd3, database, library, program)
ann library: Informative annotations which don't change equality (bsd3, data, library)
annah library and program: Medium-level language that desugars to Morte (bsd3, compiler, library, program)
annihilator library: Semigroups with annihilators and utility functions (bsd3, control-, deprecated, library)
annotated-exception library and test: Exceptions, with checkpoints and context. (bsd3, control, library)
annotated-fix library: A fixpoint of a functor that can be annotated (bsd3, data, library)
annotated-wl-pprint library: The Wadler/Leijen Pretty Printer, with annotation support (bsd3, library, text)
anonymous-sums library: Anonymous sum types (bsd3, data, library)
anonymous-sums-tests library: QuickCheck functions to accompany the anonymous-sums package (bsd3, data, library)
ansi-escape-codes library: Haskell package to generate ANSI escape codes for styling strings in the terminal. (library, mit, unclassified)
ansi-pretty library: AnsiPretty for ansi-wl-pprint (bsd3, library, text, user-interfaces)
ansi-terminal library: Simple ANSI terminal support (bsd3, library, user-interfaces)
ansi-terminal-game library and test: cross-platform library for terminal games (game, gpl, library)
ansi-terminal-types library: Types and functions used to represent SGR aspects (bsd3, library, user-interfaces)
ansi-wl-pprint library: The Wadler/Leijen Pretty Printer for colored ANSI terminal output (bsd3, deprecated, library, text, user-interfaces)
ansigraph library and test: Terminal-based graphing via ANSI and Unicode (graphics, library, mit)
antagonist library and program: A web interface to Antisplice dungeons. (agpl, library, program, web)
antelude library and test: Yet another alternative Prelude for Haskell. (library, mit, prelude)
antfarm library, program and test: Referring expressions for definitions (bsd3, library, natural-language-processing, program)
anticiv library and program: This is an IRC bot for Mafia and Resistance. (agpl, library, network, program)
antigate library: Interface for antigate.com captcha recognition API (captcha, library, mit, network-apis, text-recognition)
antigen library, test and benchmark: Fault injection for QuickCheck (library, mit, testing)
antikythera library and test: Simple job/task/event scheduler/cronjob (library, scheduling)
antimirov library and program: Define the language containment (=subtyping) relation on regulare expressions. (language, library, math, program)
antiope-athena library and test: Please see the README on Github at <https://github.com/arbor/antiope#readme> (library, mit, services)
antiope-contract library: Please see the README on Github at <https://github.com/arbor/antiope#readme> (library, mit, services)
antiope-core library and test: Please see the README on Github at <https://github.com/arbor/antiope#readme> (library, mit, services)
antiope-dynamodb library and test: Please see the README on Github at <https://github.com/arbor/antiope#readme> (library, mit, services)
antiope-es library and test: Please see the README on Github at <https://github.com/arbor/antiope#readme> (library, mit, services)
antiope-messages library and test: Please see the README on Github at <https://github.com/arbor/antiope#readme> (library, mit, services)
antiope-optparse-applicative library and test: Please see the README on Github at <https://github.com/arbor/antiope#readme> (library, mit, services)
antiope-s3 library and test: Please see the README on Github at <https://github.com/arbor/antiope#readme> (library, mit, services)
antiope-shell library and test: Please see the README on Github at <https://github.com/arbor/antiope#readme> (library, mit, services)
antiope-sns library and test: Please see the README on Github at <https://github.com/arbor/antiope#readme> (library, mit, services)
antiope-sqs library and test: Please see the README on Github at <https://github.com/arbor/antiope#readme> (library, mit, services)
antiope-swf library and test: Please see the README on Github at <https://github.com/arbor/antiope#readme> (library, mit, services)
antiprimes library and test: Initial project template from stack (bsd3, learning-haskell, library)
antiquoter library: Combinator library for quasi- and anti-quoting. (bsd3, library, template-haskell)
antisplice library: An engine for text-based dungeons. (agpl, game, library)
antlr-haskell library and tests: A Haskell implementation of the ANTLR top-down parser generator (bsd3, library)
antlrc library and program: Haskell binding to the ANTLR parser generator C runtime library. (bsd3, library, parsing, program)
any-pat library and test: Quasiquoters that act on a sequence of patterns and compiles these view into patterns and expressions. (bsd3, library, utils)
anydbm library: Interface for DBM-like database systems (database, library)
aoc library: Utility functions commonly used while solving Advent of Code puzzles (bsd3, library, utility)
aop-prelude library and test: prelude for Algebra of Programming (bsd3, language, library)
aos-signature library and test: An implementation of the AOS signatures (cryptography, library)
aosd library and test: Bindings to libaosd, a library for Cairo-based on-screen displays (bsd3, graphics, library)
ap-normalize library and tests: Self-normalizing applicative expressions (control, library, mit)
ap-reflect library: Partial evaluation reflection a la simple-reflect. (bsd3, debug, library)
apache-md5 library, test and benchmark: Apache specific MD5 digest algorighm. (bsd3, cryptography, data, library)
apart library, program and test: Get all your structure and rip it apart. (bsd3, control, data, library, program)
apecs library, test and benchmark: Fast Entity-Component-System library for game programming (bsd3, control, data, game, library)
apecs-brillo library and test: Apecs' gloss package, but adapted for brillo (bsd3, game-engine, library)
apecs-effectful library: Adaptation of the apecs library for the effectful ecosystem. (bsd3, game, library)
apecs-gloss library: Simple gloss renderer for apecs (bsd3, library, web)
apecs-physics library: 2D physics for apecs (bsd3, library, web)
apecs-physics-gloss library: Gloss rendering for apecs-physics (bsd3, deprecated, library, web)
apecs-stm library, test and benchmark: STM stores for apecs (bsd3, control, data, game, library)
apelsin program: Server and community browser for the game Tremulous (gpl, network, program)
api-builder library and tests: Library for easily building REST API wrappers in Haskell (bsd3, library, network)
api-field-json-th library and test: option of aeson's deriveJSON (bsd3, library, utils)
api-maker library and test: Package to make APIs (bsd3, library, web)
api-monobank library, program and test: (library, mit, program, web)
api-opentheory-unicode library and test: OpenTheory unicode character API (library, mit, text)
api-rpc-accumulate library, program and test: JSON-RPC API client for Accumulate blockchain (library, mit, program, web)
api-rpc-factom library, program and test: RPC API client for Factom (library, mit, program, web)
api-rpc-pegnet library and test: simple json-rpc client for PegNet (library, mit, web)
api-tools library, programs, test and benchmark: DSL for generating API boilerplate and docs (bsd3, cloud, distributed-computing, library, network, program, web)
api-yoti library and test: Api bindings for Yoti services (library, mit, web)
apiary library and test: Simple and type safe web framework that generate web API documentation. (library, mit, web)
apiary-authenticate library: authenticate support for apiary web framework. (library, mit, web)
apiary-clientsession library: clientsession support for apiary web framework. (library, mit, web)
apiary-cookie library: Cookie support for apiary web framework. (library, mit, web)
apiary-eventsource library: eventsource support for apiary web framework. (library, mit, web)
apiary-helics library: helics support for apiary web framework. (library, mit, web)
apiary-http-client library: A http client for Apiary. (library, mit, web)
apiary-logger library: fast-logger support for apiary web framework. (library, mit, web)
apiary-memcached library: memcached client for apiary web framework. (library, mit, web)
apiary-mongoDB library: mongoDB support for apiary web framework. (library, mit, web)
apiary-persistent library: persistent support for apiary web framework. (library, mit, web)
apiary-purescript library: purescript compiler for apiary web framework. (library, mit, web)
apiary-redis library: redis support for apiary web framework. (library, mit, web)
apiary-session library: session support for apiary web framework. (library, mit, web)
apiary-websockets library: websockets support for apiary web framework. (library, mit, web)
apigen library, program and test: FFI API generator for several languages (development, gpl, library, program)
apioiaf-client library and test: Consumer library for anapioficeandfire.com (bsd3, library, web)
apis library: A Template Haskell library for generating type safe API calls (bsd2, library, web)
apns-http2 library and program: Apple Push Notification service HTTP/2 integration. (bsd3, library, network, program)
apotiki library and program: a faster debian repository (library, mit, program, system)
app-lens library and benchmarks: applicative (functional) bidirectional programming beyond composition chains (bsd3, data, lenses, library)
app-settings library and test: A library to manage application settings (INI file-like) (bsd3, configuration, library)
appar library: A simple applicative parser (bsd3, library, parsing)
appc library, program and test: app container types and tools (data, library, mit, program)
appendful library: (library, mit, unclassified)
appendful-persistent library and test: (library, mit, unclassified)
appendmap library and test: Map with a Semigroup and Monoid instances delegating to Semigroup of the elements (bsd3, data-structures, library)
apple library, programs, tests and benchmark: Apple array language compiler (agpl, array, language, library, program)
applicable library: A class for things that can be applied (data, library, mit)
applicative-extras library: Instances for Applicative (bsd3, control, library)
applicative-fail library and test: Applicative functor and monad which collects all your fails (bsd3, control, library)
applicative-logic library: Generalized logic operations for Applicative and Alternative functors (bsd3, control, library)
applicative-numbers library: Applicative-based numeric instances (bsd3, data, library, numerical)
applicative-parsec library and test: An applicative parser combinator library (gpl, language, library)
applicative-quoters library: Quasiquoters for idiom brackets and an applicative do-notation (bsd3, language, library)
applicative-splice library: Write applicative programs in direct style (generalizes idiom brackets). (control, library, public-domain)
apply-merge library, test and benchmark: Lift a binary, non-decreasing function onto ordered lists and order the output (bsd3, data, library)
apply-refact library, program and test: Perform refactorings specified by the refact library. (bsd3, development, library, program)
apply-unordered library and test: Apply a function to an argument specified by a type level Nat (acme, bsd3, compiler-plugin, functions, library)
apply-unordered-mono library and test: Apply functions to arguments in an unordered type-directed fashion (acme, bsd3, functions, library)
apportionment library and test: Round a set of numbers while maintaining its sum (bsd3, library, math)
approveapi library and test: ApproveAPI Haskell Client (api, client, library, mit)
approx library, program and test: Easy-to-use emulation of approximate, ranges and tolerances in Haskell (library, mit, numeric, program)
approx-rand-test library, programs and test: Approximate randomization test (deprecated, library, program, statistics)
approximate library: Approximate discrete values and numbers (bsd3, library, numeric)
approximate-equality library: Newtype wrappers for approximate equality (bsd3, data, library)
ar-timestamp-wiper library and program: Wipes time stamps from .a files (like ar -D) (application, library, mit, program)
arb-fft library, program and test: Pure Haskell arbitrary length FFT library (bsd3, library, math, program)
arbb-vm library: FFI binding to the Intel Array Building Blocks (ArBB) virtual machine. (bsd3, foreign, library)
arbor-datadog library and test: Datadog client for Haskell. (library, mit, network)
arbor-lru-cache library and test: LRU cache based on STM (concurrency, data, library, mit)
arbor-monad-counter library and test: Counter library for submitting metrics to a backend such as datadog (library, mit, services)
arbor-monad-logger library, program and test: Simple logging library (library, logging, mit, program)
arbor-monad-metric library and test: Core metric library for publishing metrics. (library, metrics, mit)
arbor-monad-metric-datadog library and test: Metric library backend for datadog. (library, metrics, mit)
arbor-postgres library: Convenience types and functions for postgresql-simple. (library, mit, services)
arbtt programs and test: Automatic Rule-Based Time Tracker (desktop, gpl, program)
arcgrid library and program: Parse ESRI/ArcInfo (ArcGrid) raster GIS files (bsd3, geo, library, program)
arcgrid-viewer program: Simple viewer for ESRI/ArcInfo (ArcGrid) geospatial data (bsd3, geo, program)
arch-hs library, programs and test: Distribute hackage packages to archlinux (distribution, library, mit, program)
arch-web library and test: Arch Linux official and AUR web interface binding (library, mit, web)
archive library and program: A library and programs for creating hardlinked incremental archives or backups (bsd3, library, program, system)
archive-libarchive library: Common interface using libarchive (archive, bsd3, codec, library, tar)
archive-sig library: Backpack signature for archive libraries (archive, bsd3, codec, library, tar)
archive-tar library: Common interface using the tar package (archive, bsd3, codec, library, tar)
archive-tar-bytestring library: Common interface using the tar-bytestring package (archive, bsd3, codec, library, tar)
archiver library and program: Archive supplied URLs in WebCite & Internet Archive (bsd3, documentation, library, network, program)
archlinux library: Support for working with Arch Linux packages. (bsd3, deprecated, distribution, library)
archlinux-web library and programs: Website maintenance for Arch Linux packages (bsd3, distribution, library, program)
archnews program: Convert Arch Linux package updates in RSS to pretty markdown (bsd3, distribution, program)
arduino-copilot library and test: Arduino programming in haskell using the Copilot stream DSL (bsd3, embedded, language, library)
arena library, tests and benchmark: A journaled data store (bsd3, database, library)
arff library: Generate Attribute-Relation File Format (ARFF) files (bsd3, data, library, text)
arghwxhaskell program: An interpreter for the Argh! programming language in wxHaskell. (gpl, language, program)
argo library, program, test and benchmark: Parse and render JSON. (json, library, mit, program)
argon test: Measure your code's complexity (development, static-analysis)
argon2 library and test: Memory-hard password hash and proof-of-work function (bsd3, cryptography, library)
argparser library and test: Command line parsing framework for console applications (bsd3, console, library)
arguedit program: A computer assisted argumentation transcription and editing software. (argumentation, gpl, program)
ariadne program and test: Go-to-definition for Haskell (language, mit, program)
arion program and test: Watcher and runner for Hspec (mit, program, testing)
arion-compose library, program and test: Run docker-compose with help from Nix/NixOS (apache, cloud, distributed-computing, distribution, library, network, program)
arith-encode library and test: A practical arithmetic encoding (aka Godel numbering) library. (bsd3, data, deprecated, library, serialization, test, testing)
arithmatic library: do things with numbers (bsd3, library, math)
arithmetic library, program and test: Natural number arithmetic (library, mit, number-theory, program)
arithmetic-circuits library, tests and benchmark: Arithmetic circuits for zkSNARKs (cryptography, library, mit)
arithmoi library, test and benchmark: Efficient basic number-theoretic functions. (algorithms, library, math, mit, number-theory)
arity-generic-liftA library and test: Provides an arity-generic version of the liftA2, liftA3... liftAn functions. (control, library, mit)
armada program: Space-based real time strategy game (game, program)
armor library and test: Prevent serialization backwards compatibility problems using golden tests (bsd3, data, library, testing)
arpa library and program: Library for reading ARPA n-gram models (bsd3, library, natural-language-processing, nlp, program, text)
arpack library and test: Solve large scale eigenvalue problems (bsd3, library, science)
array library: Mutable and immutable arrays (bsd3, data-structures, library)
array-builder library and test: Builders for arrays (bsd3, data, library)
array-chunks library and test: Lists of chunks (bsd3, data, library)
array-forth library, program and test: A simple interpreter for arrayForth, the language used on GreenArrays chips. (gpl, language, library, program)
array-list library and tests: IsList instances of Array for OverloadedLists extension (array, data, library, list, mit)
array-memoize library: Memoization combinators using arrays for finite sub-domains of functions (bsd3, library, syntax)
array-mhs library: Mutable and immutable arrays (apache, data-structures, library)
array-primops library, test and benchmark: Extra foreign primops for primitive arrays (bsd3, data, library)
array-utils library: Primitive functions for updating many elements in mutable arrays at once (bsd3, data, data-structures, deprecated, library)
arrayfire library, programs and test: Haskell bindings to the ArrayFire general-purpose GPU library (bsd3, library, math, program)
arraylist library and test: Memory-efficient ArrayList implementation (bsd3, data, library)
arrow-extras library: Extra functions for Control.Arrow (bsd3, control, library)
arrow-improve library: Improved arrows. (control, library, mit)
arrow-list library: List arrows for Haskell. (bsd3, control, library)
arrow-utils library and test: functions for working with arrows (arrows, bsd3, combinators, control, library)
arrowapply-utils library: Utilities for working with ArrowApply instances more naturally (bsd3, control, library)
arrowp program: preprocessor translating arrow notation into Haskell 98 (development, program)
arrowp-qq library and program: A preprocessor and quasiquoter for translating arrow notation (development, library, program)
arrows library: Arrow classes and transformers (bsd3, control, library)
artery library: A simple, arrow-based reactive programming (bsd3, control, frp, library)
artifact library: Basic types and instances for Valve's Artifact Card-set API (agpl, deprecated, game, library)
arx library: Archive execution tool. (bsd3, library, text)
arxiv library: A client for the Arxiv API (api, arxiv, library, network, networkapi)
arxiv-client library and test: Tiny client for the arXiv Atom API with a simple query DSL (api, arxiv, bsd3, dsl, library, network)
arxiv-client-cli program: Command line tool to search and download papers from arXiv.org (bsd3, cli, network, program)
asana library: Asana API Client (library, mit, utils)
asap library and test: Atlassian Service Authentication Protocol (apache, library, web)
ascetic library: Generic markup builder. (library, mit, text)
ascii library and test: The ASCII character set and encoding (apache, data, library, text)
ascii-art-to-unicode library, program and test: ASCII Art to Unicode Box Drawing converter (bsd3, library, program, unclassified)
ascii-case library and test: ASCII letter case (apache, data, library, text)
ascii-caseless library and test: ASCII character without an upper/lower case distinction (apache, data, library, text)
ascii-char library and test: A Char type representing an ASCII character (apache, data, library, text)
ascii-cows library: A collection of ASCII cows. Moo. (acme, bsd3, library)
ascii-flatten library and program: Flattens European non-ASCII characaters into ASCII (library, mit, program, text)
ascii-group library and test: ASCII character groups (apache, data, library, text)
ascii-holidays program: ASCII animations for the holidays! (gpl, graphics, program)
ascii-numbers library and test: ASCII representations of numbers (apache, data, library, numeric, text)
ascii-predicates library and test: Various categorizations of ASCII characters (apache, data, library, text)
ascii-progress library and test: A simple progress bar for the console. (library, mit, system)
ascii-string library and test: Compact representation of ASCII strings (library, mit, unclassified)
ascii-superset library and test: Representing ASCII with refined supersets (apache, data, library, text)
ascii-table library: ASCII table (bsd3, data, library)
ascii-th library and test: Template Haskell support for ASCII (apache, data, library, text)
ascii-vector-avc library and program: Process Ascii Vectors for Advantest 93k (data, gpl, library, program)
ascii85-conduit library and test: Conduit for encoding ByteString into Ascii85 (bsd3, conduit, data, library)
ascii85x library, program and test: Displays TI-85 variable files as text (bsd3, data, library, program)
asciichart library and test: Line charts in terminal (library, mit, text)
asciidiagram library and program: Pretty rendering of Ascii diagram into svg or png. (bsd3, diagram, library, program, text)
asciidoc library, program and test: AsciiDoc parser. (bsd3, library, program, text)
asic program: Action Script Instrumentation Compiler (compilers-interpreters, program)
asif library, program and tests: Library for creating and querying segmented feeds (library, mit, program, services)
asil library: Action Script Instrumentation Library (compilers-interpreters, library)
asn library: asn type and encoding/decoding (bsd3, data, library)
asn1-ber-syntax library and tests: ASN.1 BER Encode and Decode (bsd3, data, library)
asn1-codec library and test: Encode and decode ASN.1 (bsd3, deprecated, library, web)
asn1-data library: ASN1 data reader and writer in RAW, BER and DER forms (bsd3, data, deprecated, library)
asn1-encoding library and test: ASN1 data reader and writer in RAW, BER and DER forms (bsd3, data, library)
asn1-parse library: Simple monadic parser for ASN1 stream types. (bsd3, data, library)
asn1-types library: ASN.1 types (bsd3, data, library)
asn1dump program: Dump ASN1 structure (bsd3, debug, program)
aspell-pipe library: Pipe-based interface to the Aspell program (bsd3, library, text)
assembler library and program: Haskell Assembler (bsd3, development, library, program)
assert library and test: Helpers for Control.Exception.assert (bsd3, control, library)
assert-failure library: Syntactic sugar improving 'assert' and 'error' (bsd3, contract, control, library)
assert4hs library and test: A set of assertion for writing more readable tests cases (deprecated, library, mit, testing)
assert4hs-core library and test: A set of assertion for writing more readable tests cases (library, mit, testing)
assert4hs-hspec library and test: integration point of assert4hs and hspec (library, mit, testing)
assert4hs-tasty library and test: Provider for tasty runner to run assert4hs tests (library, mit, web)
assertions library and test: A simple testing framework. (library, mit, testing)
asset-bundle library: A build-time Cabal library that bundles executables with assets (bsd3, bundle, distribution, library, program, zip)
asset-map library and test: Asset map support for the JavaScript broccoli-asset-rev library. (bsd3, library, web)
assignment library, test and benchmarks: A solution to the assignment problem (algorithms, bsd3, library)
assimp library: The Assimp asset import library (bsd3, graphics, library)
assoc library: swap and assoc: Symmetric and Semigroupy Bifunctors (bsd3, data, library)
assoc-list library and test: Association lists (lists of tuples) (data, library, mit)
assoc-listlike library and test: Association lists (list-like collections of tuples) (data, library, mit)
associative library and test: Partial Semigroup and Semigroup operations (bsd3, data, library)
assumpta library and test: An SMTP client library (bsd2, library, network)
assumpta-core library and test: Core functionality for an SMTP client (bsd2, library, network)
ast-monad library and test: A library for constructing AST by using do-notation (bsd3, language, library)
ast-monad-json library and test: A library for writing JSON (bsd3, language, library)
ast-path library and test: vocabulary representation for predicting program properties (bsd3, data, library, natural-language-processing)
astar library: General A* search algorithm. (bsd3, data, library)
astar-monad library and test: (bsd3, deprecated, library, unclassified)
astrds program: an incomplete 2d space game (bsd3, game, program)
astro library and test: Amateur astronomical computations (bsd3, library, science)
astview program: A GTK-based abstract syntax tree viewer for custom languages and parsers (bsd4, deprecated, language, program)
astview-utils library: Interfacing between hint and astview (bsd4, deprecated, language, library)
async library and test: Run IO operations asynchronously and wait for their results (bsd3, concurrency, library)
async-ajax library: Crossbrowser async AJAX Bindings for GHCJS (library, mit, web)
async-combinators library and test: Async combinators (concurrency, deprecated, library, mpl)
async-dejafu library and test: Run MonadConc operations asynchronously and wait for their results. (bsd3, concurrency, deprecated, library)
async-extra library: Useful concurrent combinators (library, mit, web)
async-extras library: Extra Utilities for the Async Library (bsd3, concurrency, library)
async-io-either library: Could be useful (bsd3, error-handling, library)
async-manager library and program: A thread manager for async (bsd3, concurrency, library, program)
async-pool library and test: A modified version of async that supports worker groups and many-to-many task dependencies (library, mit, system)
async-refresh library and test: Package implementing core logic for refreshing of expiring data. (bsd3, control, library)
async-refresh-tokens library and test: Package implementing core logic for refreshing of expiring access tokens (bsd3, control, library)
async-timer library and test: Provides API for timer based execution of IO actions (bsd3, concurrency, library)
asynchronous-exceptions library: Distinguish between synchronous and asynchronous exceptions (control, deprecated, library, mit)
atelier-core library and test: Foundational Effectful-based effects and utilities (control, library, mit)
atelier-db library: Relational database effect for atelier (Hasql/Rel8) (database, library, mit)
atelier-monitoring library and test: Effectful-based monitoring suite (library, mit, monitoring, observability, opentelemetry, tracing)
atelier-prelude library: Custom relude-based prelude with Effectful conventions (library, mit, prelude)
atelier-testing library: Database-backed test utilities for atelier (library, mit, testing)
aterm library: serialisation for Haskell values with sharing support (data, gpl, library, parsing)
aterm-utils library and program: Utility functions for working with aterms as generated by Minitermite (bsd3, language, library, program)
atl library: Arrow Transformer Library (bsd3, control, deprecated, library)
atlas library and test: Skyline rectangle packing (graphics, library)
atlassian-connect-core library: Atlassian Connect snaplet for the Snap Framework and helper code. (apache, library, snap, web)
atlassian-connect-descriptor library and test: Code that helps you create a valid Atlassian Connect Descriptor. (apache, data, library)
atmos library and test: 1976 US Standard Atmosphere Model (library, public-domain, science)
atmos-dimensional library: dimensional wrapper on atmos package (bsd3, deprecated, library, science)
atmos-dimensional-tf library: dimensional-tf wrapper on atmos package (bsd3, deprecated, library, science)
atndapi library and test: An interface of ATND API (bsd3, library, web)
atom library: An EDSL for embedded hard realtime applications. (bsd3, embedded, language, library)
atom-basic library: Basic Atom feed construction (bsd3, library, web)
atom-conduit library and tests: Streaming parser/renderer for the Atom 1.0 standard (RFC 4287). (conduit, library, public-domain, xml)
atom-msp430 library: Convenience functions for using Atom with the MSP430 microcontroller family. (embedded, library, mit)
atomic-counter library, test and benchmark: Mutable counters that can be modified with atomic operatinos (apache, concurrency, data, data-structures, library)
atomic-css library and test: Type-safe, composable CSS utility functions. Inspired by Tailwindcss and Elm-UI (bsd3, library, web)
atomic-file-ops library: Functions to atomically write to files (bsd3, library, system)
atomic-modify library: A typeclass for mutable references that have an atomic modify operation. (apache, concurrency, library)
atomic-modify-general library and test: Generalizations of atomicModifyIORef (bsd2, concurrency, library)
atomic-primops library: A safe approach to CAS and other atomic ops in Haskell. (bsd3, data, library)
atomic-primops-foreign library and test: An atomic counter implemented using the FFI. (bsd3, data, library)
atomic-primops-vector library and test: Atomic operations on Data.Vector types (bsd3, concurrency, library)
atomic-write library and test: Atomically write to a file (library, mit, system)
atomo program: A highly dynamic, extremely simple, very fun programming language. (bsd3, language, program)
atp library and test: Interface to automated theorem provers (formal-methods, gpl, library, logic, math, theorem-provers)
atp-haskell library and test: Translation from Ocaml to Haskell of John Harrison's ATP code (bsd3, library, logic, theorem-provers)
atrans library: A small collection of monad (transformer) instances. (library, mit, monads)
atrophy library, test and benchmark: Faster integer division and modulus operations (library, math, mit)
ats-format program: A source-code formatter for ATS (ats, bsd3, development, language, parser, program)
ats-pkg library and program: A build tool for ATS (ats, bsd3, development, library, program)
ats-setup library: ATS scripts for Cabal builds (ats, bsd3, cabal, development, library)
ats-storable library and test: Marshal ATS types into Haskell (ats, bsd3, generics, library)
attempt library: Concrete data type for handling extensible exceptions as failures. (deprecated) (bsd3, data, deprecated, failure, library)
attenuation library: Subtyping relations and variance roles (apache, constraints, library)
attenuation-profunctors library: Attenuation support for Profunctors. (apache, constraints, library)
attic library: Haskell bindings for Nix attic cache (library, mit, system)
attic-schedule program and test: A script I use to run "attic" for my backups. (bsd3, program, web)
atto-lisp library and test: Efficient parsing and serialisation of S-Expressions. (bsd3, data, library, text)
attomail program and test: Minimal mail delivery agent (MDA) for local mail with maildir support (bsd2, email---, network, program)
attoparsec library, test and benchmark: Fast combinator parsing for bytestrings and text (bsd3, library, parsing, text)
attoparsec-aeson library: Parsing of aeson's Value with attoparsec (bsd3, library, parsing)
attoparsec-arff library: An ARFF file parser using Attoparsec (ai, data, gpl, library, text)
attoparsec-base64 library: Fetch only base64 characters, erroring in the attoparsec monad on failure (bsd3, library, web)
attoparsec-binary library: Binary processing extensions to Attoparsec. (bsd3, data, library)
attoparsec-conduit library: Consume attoparsec parsers via conduit. (deprecated) (conduit, data, deprecated, library, mit, parsing)
attoparsec-csv library: A parser for CSV files that uses Attoparsec (library, text)
attoparsec-data library: Parsers for the standard Haskell data types (library, mit, parsing)
attoparsec-enumerator library: Pass input from an enumerator to an Attoparsec parser. (deprecated, enumerator, library, mit, parsing, text)
attoparsec-expr library: Port of parsec's expression parser to attoparsec. (bsd3, library, parsing, text)
attoparsec-framer library, programs and test: Use Attoparsec to parse framed protocol byte streams (attoparsec, bsd3, library, network-api, parsing, program)
attoparsec-ip library and test: Parse IP data types with attoparsec (bsd3, deprecated, library, web)
attoparsec-iso8601 library: Parsing of ISO 8601 dates, originally from aeson (bsd3, library, parsing)
attoparsec-isotropic library, test and benchmark: right-to-left parser backward compatible with attoparsec (bsd3, library, parsing, text)
attoparsec-iteratee library: An adapter to convert attoparsec Parsers into blazing-fast Iteratees (bsd3, data, library)
attoparsec-parsec library and tests: An Attoparsec compatibility layer for Parsec (library, mit, parsing)
attoparsec-path library and test: Convenience bindings between path and attoparsec (bsd3, library, web)
attoparsec-run library and test: Conveniently run Attoparsec parsers (apache, library, parsing)
attoparsec-text library: (deprecated) (bsd3, deprecated, library, parsing, text)
attoparsec-text-enumerator library: (deprecated) (enumerator, library, mit, parsing, text)
attoparsec-time library: Attoparsec parsers of time (attoparsec, library, mit, parsers, time)
attoparsec-trans library: Interleaved effects for attoparsec parsers (control, library, mit)
attoparsec-uri library and test: URI parser / printer using attoparsec (bsd3, library, web)
attoparsec-varword library and test: Variable-length integer decoding for Attoparsec (data, lgpl, library)
attosplit library: Split a lazy bytestring at boundaries defined by an attoparsec parser (bsd3, data, library)
atuin program: Embedded Turtle language compiler in Haskell, with Epic output (bsd3, compilers-interpreters, program)
audacity library: Interchange with the Audacity sound signal editor (bsd3, library, sound)
audiovisual library: A battery-included audiovisual framework (bsd3, data, library, records)
augeas library and program: A Haskell FFI wrapper for the Augeas API (library, program, system)
augur program: Renaming media collections in a breeze. (bsd3, program, text)
aur library and test: Access metadata from the Arch Linux User Repository. (gpl, library, linux)
aur-api library: ArchLinux AUR json v5 API (bsd3, library, web)
aura library, program and test: A secure package manager for Arch Linux and the AUR. (gpl, library, program, system)
authenticate library: Authentication methods for Haskell web applications. (library, mit, web)
authenticate-kerberos library: Authentication methods for Haskell web applications. (bsd3, library, web)
authenticate-ldap library: LDAP authentication for Haskell web applications. (bsd3, library, web)
authenticate-oauth library: Library to authenticate with OAuth for Haskell web applications. (bsd3, library, web)
authinfo-hs library: Password querying for .authinfo (library, mit, system)
authoring library: A library for writing papers (bsd3, library, text)
auto library: Denotative, locally stateful programming DSL & platform (control, library, mit)
auto-export library and test: Automatically add things to module export list (bsd3, development, library)
auto-extract library and test: Extract code segment to top level function (bsd3, development, library)
auto-import library and test: Automatically add import statements (bsd3, development, library)
auto-lift-classes library and test: Deriving (Show|Read)(1|2) (bsd3, data, library, reflection)
auto-split library and test: Case splitting plugin (bsd3, development, library)
auto-update library and test: Efficiently run periodic, on-demand actions (control, library, mit)
auto-update-unliftio library and test: auto-update unlifted to MonadUnliftIO (bsd3, control, library)
autoapply library and test: Template Haskell to automatically pass values to functions (bsd3, library, template-haskell)
autodocodec library and test: Self-documenting encoder and decoder (library, mit, unclassified)
autodocodec-exact library: Exact decoder for autodocodec (library, mit, unclassified)
autodocodec-nix library: Autodocodec interpreters for nix (library, mit, unclassified)
autodocodec-openapi3 library: Autodocodec interpreters for openapi3 (library, mit, unclassified)
autodocodec-schema library: Autodocodec interpreters for JSON Schema (library, mit, unclassified)
autodocodec-servant-multipart library: Autodocodec interpreters for Servant Multipart (library, mit, unclassified)
autodocodec-swagger2 library: Autodocodec interpreters for swagger2 (library, mit, unclassified)
autodocodec-yaml library: Autodocodec interpreters for yaml (library, mit, unclassified)
autoexporter library and program: Automatically re-export modules. (library, mit, program, utility)
autom library: Generates and displays patterns from next nearest neighbors cellular automata (gpl, graphics, library)
automata library and test: automata (bsd3, data, library, math)
automaton library, programs and test: Effectful streams and automata in coalgebraic encoding (library, mit, program, streaming)
automitive-cse library and test: Automotive CSE emulation (bsd3, codec, deprecated, library)
automotive-cse library and test: Automotive CSE emulation (bsd3, codec, deprecated, library)
autonix-deps library: Library for Nix expression dependency generation (bsd3, deprecated, library, nix)
autonix-deps-kf5 library and program: Generate dependencies for KDE 5 Nix expressions (bsd3, deprecated, library, nix, program)
autopack library: Custom Setup to automate package modules discovery (cabal, customsetup, development, distribution, library, mpl, setup)
autoproc library and program: EDSL for Procmail scripts (bsd3, library, program, system)
avahi library and program: Minimal DBus bindings for Avahi daemon (http://avahi.org) (bsd3, library, network, program)
avatar-generator program: A simple random avatar icon generator (bsd3, graphics, program)
average library: An average (arithmetic mean) monoid. (bsd3, library, unclassified)
avers library, test and benchmark: Server-side implementation of the Avers storage model (avers, gpl, library)
avers-api library: Types describing the core and extended Avers APIs (avers, library, mit)
avers-api-docs library: Swagger documentation for the Avers API (avers, library, mit)
avers-server library: Server implementation of the Avers API (avers, library, mit)
aviation-cessna172-diagrams library: Diagrams for the Cessna 172 aircraft in aviation. (aviation, library)
aviation-cessna172-weight-balance library: Weight and Balance for the Cessna 172 aircraft in aviation. (aviation, bsd3, library)
aviation-navigation library and program: Aviation Navigation functions (bsd3, library, program, test)
aviation-units library: Units of measurements used in aviation. (aviation, bsd3, library)
aviation-weight-balance library: Weight and Balance structures used in aviation. (aviation, bsd3, library)
avif library and test: High-level bindings to libavif (agpl, codec, image, library)
avl-static library and test: A compile-time balanced AVL tree. (bsd3, data, library)
avr-shake library: AVR Crosspack actions for shake build systems. (development, library, public-domain)
avro library, tests and benchmark: Avro serialization support for Haskell (bsd3, data, library)
avro-piper library, program and test: Tool for decoding avro (bsd3, data, library, program)
avwx library, program and test: Parse aviation weather reports (aviation, library, mit, program)
awesome-prelude library: A prelude which I can be happy with. Based on base-prelude. (gpl, library, prelude)
awesomium library: High-level Awesomium bindings. (graphics, lgpl, library, web)
awesomium-glut library: Utilities for using Awesomium with GLUT. (graphics, lgpl, library, web)
awesomium-raw library: Low-level Awesomium bindings. (graphics, lgpl, library, web)
aws library and tests: Amazon Web Services (AWS) for Haskell (aws, bsd3, cloud, distributed-computing, library, network, web)
aws-academy-grade-exporter program: Export grades from AWS Academy to different formats (mit, program, text)
aws-arn library and test: Types and optics for manipulating Amazon Resource Names (ARNs) (aws, bsd3, cloud, library)
aws-cloudfront-signed-cookies library, program and test: Generate signed cookies for AWS CloudFront (aws, cloud, library, mit, network, program)
aws-cloudfront-signer library: For signing AWS CloudFront HTTP URL requests (aws, bsd3, cloud, distributed-computing, library, network, web)
aws-configuration-tools library: Configuration types, parsers & renderers for AWS services (apache, cloud, configuration, library)
aws-dynamodb-conduit library: Conduit-based interface for AWS DynamoDB (aws, library, mit)
aws-dynamodb-streams library: Haskell bindings for Amazon DynamoDB Streams (apache, library, network)
aws-easy library and program: Helper function and types for working with amazonka (library, mit, network, program)
aws-ec2 library and programs: AWS EC2/VPC, ELB and CloudWatch client library for Haskell (aws, bsd3, cloud, distributed-computing, library, network, program, web)
aws-ec2-knownhosts library and programs: Capture and manage AWS EC2 known_host pubkeys (aws, bsd3, library, network, program)
aws-elastic-transcoder library and test: Haskell suite for the Elastic Transcoder service (aws, bsd3, cloud, distributed-computing, library, network, web)
aws-eventbridge-cron library, test and benchmark: AWS EventBridge cron, rate, and one-time parser with scheduler (aws, bsd3, cloud, library, scheduling)
aws-general library and test: Bindings for Amazon Web Services (AWS) General Reference (aws, cloud, distributed-computing, library, mit, network, web)
aws-kinesis library and test: Bindings for Amazon Kinesis (apache, aws, cloud, distributed-computing, library, network, web)
aws-kinesis-client library and program: A producer & consumer client library for AWS Kinesis (apache, cloud, library, program)
aws-kinesis-reshard library and program: Reshard AWS Kinesis streams in response to Cloud Watch metrics (apache, cloud, library, program)
aws-lambda library: Haskell bindings for AWS Lambda (apache, cloud, library, network)
aws-lambda-haskell-runtime library and test: Haskell runtime for AWS Lambda (apache, aws, library)
aws-lambda-haskell-runtime-wai library and test: Run wai applications on AWS Lambda (aws, bsd3, library)
aws-lambda-runtime library and program: Haskell on AWS Lambda Runtime API (apache, aws, development, library, program)
aws-larpi library: Package Haskell functions for easy use on AWS Lambda. (aws, library, mit)
aws-mfa-credentials program: Keep your AWS credentials file up to date with MFA-carrying credentials (apache, config, program)
aws-performance-tests library and program: Performance Tests for the Haskell bindings for Amazon Web Services (AWS) (aws, cloud, distributed-computing, library, mit, network, program, web)
aws-route53 library: Amazon Route53 DNS service plugin for the aws package. (bsd3, library, web)
aws-sdk library and test: AWS SDK for Haskell (aws, bsd3, cloud, distributed-computing, library)
aws-sdk-text-converter library and test: The text converter for aws-sdk. (bsd3, library, web)
aws-sdk-xml-unordered library and test: The xml parser for aws-sdk package (bsd3, library, xml)
aws-secrets library and test: Fetch data from AWS Secrets Manager (aws, library, mit, password)
aws-ses-easy library, test and benchmark: Wrapper over Amazonka's SES (bsd3, library, network)
aws-sign4 library and test: Amazon Web Services (AWS) Signature v4 HTTP request signer (aws, bsd3, cloud, distributed-computing, library, network, web)
aws-simple library: Dead simple bindings to commonly used AWS Services (library, mit, web)
aws-sns library and test: Bindings for AWS SNS Version 2013-03-31 (aws, cloud, distributed-computing, library, mit, network, web)
aws-sns-verify library and test: Parse and verify AWS SNS messages (amazon, aws, cloud, cryptography, distributed-computing, library, mit, network, web)
aws-spend-summary library and program: Extract recent daily AWS costs (aws, gpl, library, program)
aws-transcribe-ws library and test: Websocket streaming to Amazon Transcribe service (bsd3, library, web)
aws-xray-client library, test and benchmark: A client for AWS X-Ray. (library, mit, tracing)
aws-xray-client-persistent library: A client for AWS X-Ray integration with Persistent. (library, mit, unclassified)
aws-xray-client-wai library: A client for AWS X-Ray integration with WAI. (library, mit, unclassified)
awsspendsummary library and program: Extract recent daily AWS costs (aws, deprecated, gpl, library, program)
axel library, program and test: The Axel programming language. (bsd3, language, library, lisp, macros, program, transpiler)
axiom library: Web EDSL for running in browsers and server nodes using transient (library, mit, web)
axiomatic-classes library: Specify axioms for type classes and quickCheck all available instances (library, mit, testing)
azimuth-hs library and tests: Interact with Azimuth from Haskell (deprecated, library, mpl, urbit)
aztecs library, test and benchmark: A modular game engine and Entity-Component-System (ECS) for Haskell. (bsd3, game-engine, library)
aztecs-asset library: A type-safe and friendly Entity-Component-System (ECS) for Haskell (bsd3, game-engine, library)
aztecs-gl library and test: OpenGL rendering for Aztecs (bsd3, game-engine, library)
aztecs-gl-text library and test: OpenGL text rendering for Aztecs (bsd3, game-engine, library)
aztecs-glfw library, program and test: GLFW backed for Aztecs (bsd3, game-engine, library, program)
aztecs-hierarchy library and test: A type-safe and friendly Entity-Component-System (ECS) for Haskell (bsd3, game-engine, library)
aztecs-sdl library: A type-safe and friendly Entity-Component-System (ECS) for Haskell (bsd3, game-engine, library)
aztecs-sdl-image library: A type-safe and friendly Entity-Component-System (ECS) for Haskell (bsd3, game-engine, library)
aztecs-sdl-text library: A type-safe and friendly Entity-Component-System (ECS) for Haskell (bsd3, game-engine, library)
aztecs-transform library: Transform components for Aztecs (bsd3, game-engine, library)
azubi library and tests: A simple DevOps tool which will never "reach" enterprice level. (gpl, library, system)
azure-acs library: Windows Azure ACS (bsd3, library, web)
azure-email library: send email with microsoft azure (bsd3, library, web)
azure-functions-worker library and test: Azure Functions Worker (azure, cloud, library, mit, serverless)
azure-service-api library: Haskell bindings for the Microsoft Azure Service Management API (bsd3, library, network)
azure-servicebus library: Haskell wrapper over Microsoft Azure ServiceBus REST API (bsd3, library, web)
azurify library: A simple library for accessing Azure blob storage (bsd3, development, library)
b-tree library, test and benchmark: Immutable disk-based B* trees (bsd3, data, library)
b9 library, program and test: A tool and library for building virtual machine images. (development, library, mit, program)
babl library: Haskell bindings to BABL library. (graphics, lgpl, library)
babylon program: An implementation of a simple 2-player board game (game, program)
babynf library and test: Library for generating parsers from ABNF (data, library, mit)
backblaze-b2-hs library, program and test: A client library to access Backblaze B2 cloud storage in Haskell. (bsd3, cloud, library, network, program)
backdropper library and program: Rotates backdrops for X11 displays using Imagemagic. (library, program, unclassified)
backprop library and benchmark: Heterogeneous automatic differentation (bsd3, library, math)
backstop library, program and test: Backstop a target directory by source directories (development, gpl, library, program)
backtracking library and test: A backtracking monad (bsd3, control, library)
backtracking-exceptions library: A monad transformer for backtracking exceptions (bsd3, control, deprecated, library)
backward-state library: A state monad that runs the state in reverse through the computation (bsd3, control, library, monads)
bacteria program: braindead utility to compose Xinerama backgrounds (graphics, program)
bag library: A simple stable bag. (data-structures, deprecated, library, mit)
baikai library, programs and test: Unified Haskell interface for multiple AI providers (ai, bsd3, library, program)
baikai-agent library, program and test: Unattended coding-agent runs for the Baikai abstraction (ai, bsd3, library, program)
baikai-claude library and test: Anthropic Claude providers for the baikai abstraction (ai, bsd3, library)
baikai-effectful library and test: effectful binding for the baikai AI-provider transport (ai, bsd3, library)
baikai-kit library and test: Shared kit installer for AI-agent skills and subagents (ai, bsd3, library)
baikai-openai library and test: OpenAI providers for the baikai abstraction (ai, bsd3, library)
baikai-trace-otel library and test: OpenTelemetry TraceSink for baikai. (ai, bsd3, library, monitoring)
bake library and program: Continuous integration system (bsd3, development, library, program)
balkon library and test: Text layout engine built on top of HarfBuzz. (gpl, library, text)
ballast library and test: Shipwire API client (bsd3, library, web)
bamboo library: A blog engine on Hack (library, web)
bamboo-launcher program: bamboo-launcher (program, web)
bamboo-plugin-highlight library: A highlight middleware (library, web)
bamboo-plugin-photo library: A photo album middleware (bsd3, library, web)
bamboo-theme-blueprint library: bamboo blueprint theme (bsd3, library, web)
bamboo-theme-mini-html5 library: bamboo mini html5 theme (library, web)
bamse library: A Windows Installer (MSI) generator framework (bsd3, library, system)
bamstats library and program: A program to extract various information from BAM alignmnet files. (bioinformatics, library, program)
ban-instance library and test: For when a type should never be an instance of a class (bsd3, haskell, library)
bank-holiday-germany library and test: German bank holidays and public holidays (library, mit, time)
bank-holiday-usa library and test: US bank holidays (library, mit, time)
bank-holidays-england library and test: Calculation of bank holidays in England and Wales (bsd3, data, library)
banwords library and test: Generalized word blacklister (deprecated, heuristics, library, mit)
barbies library and test: Classes for working with types that can change clothes. (bsd3, data-structures, library)
barbies-layered library and tests: Barbies with layered clothes. (apache, data-structures, library)
barbies-th library and tests: Create strippable HKD via TH (bsd3, data, data-structures, generics, library)
barbly program: Create status bar menus for macOS from executables (bsd3, program, system)
barchart library and program: Creating Bar Charts in Haskell (bsd3, graphics, library, program)
barcodes-code128 library: Generate Code 128 barcodes as PDFs (graphics, library, mit)
barecheck library: QuickCheck implementations for common types (bsd3, deprecated, library, testing)
barley program: A web based environment for learning and tinkering with Haskell (program, web)
barlow-lens library and tests: lens via string literals (bsd3, generics, lens, library, records)
barrie library: Declarative Gtk GUI library (gui, library)
barrier library and test: Shields.io style badge generator (graphics, library, mit)
barrier-monad library: Implementation of barrier monad, can use custom front/back type (control, library, public-domain)
base library: Core data structures and operations (bsd3, library, prelude)
base-compat library: A compatibility layer for base (compatibility, library, mit)
base-compat-batteries library and test: base-compat with extra batteries (compatibility, library, mit)
base-compat-constptr library: Backport of 'Foreign.C.ConstPtr' (agpl, foreign, library)
base-compat-migrate library: Helps migrating projects to base-compat(-batteries). (bsd3, development, library)
base-encoding library: RFC4648 Binary-to-text encodings (e.g. base64) (bsd3, codec, library, text)
base-feature-macros library: Semantic CPP feature macros for base (bsd3, development, library)
base-generics library: This library provides some instances for extra GHC.Generic typeclass such as Int8, Word16 and some unboxed types as well. (generic, library, mit)
base-io-access library: The IO functions included in base delimited into small, composable classes (gpl, library, system)
base-noprelude library: "base" package sans "Prelude" module (bsd3, development, library)
base-orphans library and test: Backwards-compatible orphan instances for base (compatibility, library, mit)
base-prelude library: Featureful preludes formed solely from the "base" package (library, mit, prelude)
base-unicode-symbols library: Unicode alternatives for common functions and operators (bsd3, library, unclassified)
base16 library, test and benchmark: Fast RFC 4648-compliant Base16 encoding (bsd3, data, library)
base16-bytestring library, test and benchmark: RFC 4648-compliant Base16 encodings for ByteStrings (bsd3, data, library)
base16-lens library: Optics for the Base16 library (bsd3, data, library)
base32 library, test and benchmark: Fast RFC 4648-compliant Base32 encoding (bsd3, data, library)
base32-bytestring library, test and benchmark: Fast base32 and base32hex codec for ByteStrings (bsd3, codec, data, library)
base32-lens library: Optics for the Base32 library (bsd3, data, library)
base32-z-bytestring library, test and benchmark: Fast z-base32 and z-base32hex codec for ByteStrings (bsd3, codec, data, library)
base32string library and test: Fast and safe representation of a Base-32 string (data, library, mit)
base58-bytestring library, test and benchmark: Implementation of BASE58 transcoding for ByteStrings (bytestrings, data, library, public-domain)
base58address library and test: Parsing and serialization for Base58 addresses (Bitcoin and Ripple) (library, web)
base58string library and test: Fast and safe representation of a Base-58 string (data, library, mit)
base62 library and test: Base62 encoding and decoding (bsd3, data, library)
base64 library, test and benchmark: A modern Base64 library (bsd3, data, library)
base64-bytes library, test and benchmark: Base64 encoding of byte sequences (bsd3, data, library)
base64-bytestring library, test and benchmark: Fast base64 encoding and decoding for ByteStrings (bsd3, data, library)
base64-bytestring-type library and test: A newtype around ByteString, for base64 encoding (bsd3, data, library)
base64-conduit library and test: Base64-encode and decode streams of bytes. (deprecated) (bsd3, conduit, data, deprecated, library)
base64-lens library: Optics for the Base64 library (bsd3, data, library)
base64-string library: Base64 implementation for String's. (codec, library)
base91 library, program and test: A Generic Base91 Encoder & Decoder (codec, library, mit, program)
based library: alternative prelude (library, mit, prelude)
baseless library and program: baseless claims (base, library, mit, program)
basement : Foundation scrap box of array & string (bsd3, web)
basement-cd : Foundation scrap box of array & string (bsd3, web)
basen library and test: (library, unclassified)
basen-bytestring library and test: (base16, base32, base64, bsd3, library, rfc4648, unclassified)
baserock-schema library, program and test: Baserock Definitions Schema (bsd3, data, library, program)
basesystems library: Implements encoders/decoders for basesystems (bsd3, data, library, numeric, serialization)
basex-client library: A BaseX client for Haskell (database, library, mit)
bash library: Bash generation library. (bsd3, language, library)
basic library: Lifting values from base types (bsd3, library, unclassified)
basic-cpuid library: A small package to access the cpuid instruction directly. (bsd3, library, system)
basic-gps library: Basic implementation of General Problem Solver algorithm (ai, library, mit)
basic-lens library: Basic lens type and functions (bsd3, development, library)
basic-prelude library: An enhanced core prelude; a common foundation for alternate preludes. (control, library, mit, prelude)
basic-sop library: Basic examples and functions for generics-sop (bsd3, generics, library)
basics library and test: Modules for primitive types (bsd3, data, library)
baskell program: An interpreter for a small functional language (compilers-interpreters, program)
batch library and test: Simplify queuing up data and processing it in batch. (bsd3, data, library)
batch-rename program: Make Linux or MacOS do things like "rename *.mp3 *.mp4" (program, public-domain, system)
batchd programs: Batch processing toolset for Linux / Unix (bsd3, program, system)
batchd-core library: Core modules of batchd, to use in batchd extensions (bsd3, library, system)
batchd-docker library: docker containers host controller for batchd (bsd3, library, system)
batchd-libvirt library: host controller for batchd, which controls virtual machines via libvirt library. (bsd3, library, system)
batching library and test: An Applicative Functor deferring actions to run in a batch later. (algorithms, apache, library)
battlenet library: API client for Battle.Net (library, mit, network)
battlenet-yesod library: Yesod integration for the battlenet package (library, mit, network)
battleplace library: Core definitions for BattlePlace.io service (game, library, mit)
battleplace-api library: Public API definitions of BattlePlace.io service (game, library, mit)
battleship-combinatorics library, program and test: Compute number of possible arrangements in the battleship game (bsd3, library, math, program)
battleships library: A web-based implementation of battleships including an AI opponent. (bsd3, game, library)
bayes-stack library: Framework for inferring generative probabilistic models with Gibbs sampling (bsd3, library, math)
bazel-coverage-report-renderer program: HTML Coverage Reports for Rules_Haskell (apache, build-tool, program)
bazel-runfiles library and program: Locate Bazel runfiles location (apache, build-tool, library, program)
bbcode library and test: Library for parsing, constructing, and printing BBCode (gpl, library, text)
bbdb library and test: Ability to read, write, and modify BBDB files (database, gpl, library)
bbi library and test: Tools for reading Big Binary Indexed files, e.g., bigBed, bigWig (bio, bsd3, library)
bcp47 library and tests: Language tags as specified by BCP 47 (data, data-structures, library, mit)
bcp47-orphans library and test: BCP47 orphan instances (library, mit, orphan-instances)
bcrypt library: Haskell bindings to the bcrypt password hash (bsd3, cryptography, data, library)
bdcs library, programs and test: Tools for managing a content store of software packages (distribution, lgpl, library, program)
bdcs-api library, program and test: BDCS API Server (gpl, library, network, program)
bdd library and test: Behavior-Driven Development DSL (library, mit, testing)
bdelta library: Simple, fast binary diff/patch (data, deprecated, library, mit)
bdo library and program: Update CSS in the browser without reloading the page. (bsd3, library, program, web)
beam library: A type-safe SQL mapper for Haskell that doesn't use Template Haskell (database, deprecated, library, mit)
beam-automigrate library, programs, test and benchmark: DB migration library for beam, targeting Postgres. (bsd3, database, library, program)
beam-core library and test: Type-safe, feature-complete SQL query and manipulation interface for Haskell (database, library, mit)
beam-duckdb library and test: DuckDB backend for Beam (database, library, mit)
beam-large-records library and test: Integration of large-records with beam-core. (bsd3, database, library)
beam-migrate library: SQL DDL support and migrations support library for Beam (database, library, mit)
beam-mysql library: Connection layer between beam and MySQL/MariaDB (database, library, mit)
beam-newtype-field library: A newtype for wrapping newtypes into beam schemas (database, deprecated, library, mit)
beam-postgres library and test: Connection layer between beam and postgres (database, library, mit)
beam-sqlite library and test: Beam driver for SQLite (database, library, mit)
beam-th library and tests: Template Haskell utilities for beam (bsd3, database, library, template-haskell)
beamable library, test and benchmark: Generic serializer/deserializer with compact representation (bsd3, data, library, serialization)
bearlibterminal library and program: Low-level Haskell bindings to the BearLibTerminal graphics library. (game, game-development, game-engine, graphics, library, mit, program)
bearriver library: FRP Yampa replacement implemented with Monadic Stream Functions. (bsd3, frp, library)
beautifHOL program: A pretty-printer for higher-order logic (program, text)
bech32 library, program and test: Implementation of the Bech32 cryptocurrency address format (BIP 0173). (apache, library, program, web)
bech32-th library and test: Template Haskell extensions to the Bech32 library. (apache, library, web)
bed-and-breakfast library and test: Efficient Matrix and Vector operations in 100% Haskell. (library, linear-algebra, math, mit, numeric)
beeminder-api library: Bindings to the beeminder.com JSON API (bsd3, library, network)
bein programs: Bein is a provenance and workflow management system for bioinformatics. (application, deprecated, gpl, program)
belgian-structured-communication library and test: parsing, rendering and manipulating the structured communication of Belgian financial transactions. (bsd3, finance, library)
belka library and test: HTTP client DSL (library, mit, unclassified)
benc library, test and benchmark: Bencode encoding and decoding library (codec, library, mit)
bench program: Command-line benchmark tool (bsd3, program, system)
bench-graph library and test: Plot and compare benchmarks (benchmarking, bsd3, deprecated, library, performance)
bench-show library and program: Show, plot and compare benchmark results (benchmarking, bsd3, library, performance, program)
benchmark-function library: Test the time it takes to run a haskell function (gpl, library, testing)
benchpress library and program: Micro-benchmarking with detailed statistics. (bsd3, library, program, testing)
bencode library and test: Parsers and printers for bencoded data. (bsd3, library, text)
bencodex library and tests: Bencodex reader/writer for Haskell (gpl, library, serialization)
bencoding library, test and benchmark: A library for encoding and decoding of BEncode data. (bsd3, data, library)
bencoding-lens library and test: Lenses for bencoded data. (bsd3, data, library)
benign library and program: A library for benign effects (library, mit, program, unclassified)
benign-katip library: A Benign backend for the Katip library (library, mit, unclassified)
benign-timestats library: A Benign backend for the Timestats library (library, mit, unclassified)
benri-hspec library: Simplify tests where Either or Maybe types are returned from monadic code (bsd3, library, testing)
bento library: 🍱 Manage stateful components. (deprecated, library, mit, utility)
berkeleydb library: Pretty BerkeleyDB v4 binding. (bsd3, database, library)
berp library and program: An implementation of Python 3. (bsd3, language, library, program)
bert library and test: BERT implementation (bsd3, data, library)
besout library: Extended GCD of polynomials over F_p[x] (bsd3, library, math)
bet library and test: Betfair API bindings. Bet on sports on betting exchanges. (library, mit, network)
betacode library and test: A codec for beta code (http://en.wikipedia.org/wiki/Beta_Code). (apache, library, text)
betris library and program: A horizontal version of tetris for braille users (bsd3, game, library, program)
between library: Function combinator "between" and derived combinators (bsd3, data, library)
bf-cata library: (development, library)
bff library: Bidirectionalization for Free! (POPL'09) (data, library, public-domain)
bff-mono library: "Bidirectionalization for Free" for Monomorphic Transformations (bsd3, data, lenses, library)
bglib library and program: Implementation of the BGAPI serial protocol (library, mit, program)
bgmax library: Parse BgMax-files (bsd3, finance, library)
bgzf library: Blocked GZip (bsd3, codec, deprecated, library)
bhoogle program: Simple terminal GUI for local hoogle. (development, program, terminal)
bibdb program: A database based bibliography manager for BibTeX (mit, program, text)
bibtex library: Parse, format and processing BibTeX files (bsd3, library, text)
bidi-icu library and test: The unicode bidirectional algorithm via ICU (graphics, library)
bidirectional library and test: Simple bidirectional serialization and deserialization (bsd3, codec, library)
bidirectional-instances library and test: Make instance constraints bidirectional (language, library, mit)
bidirectionalization-combined programs: Prototype Implementation of Combining Syntactic and Semantic Bidirectionalization (ICFP'10) (language, program, public-domain)
bidispec library: Specification of generators and parsers (data, library)
bidispec-extras library: Extra helper functions for bidirectional specifications (data, library)
bifunctor library: Bifunctors (bsd3, deprecated, library, unclassified)
bifunctor-classes-compat library: Compatibility package for the Bifunctor, Bifoldable, and Bitraversable classes (bsd3, data, functors, library)
bifunctors library and test: Bifunctors (bsd3, data, functors, library)
bighugethesaurus library: API wrapper for Big Huge Thesaurus (api, language, library)
billboard-parser library and program: A parser for the Billboard chord dataset (lgpl, library, music, program)
billeksah-forms library: Leksah library (graphics, library)
billeksah-main program: Leksah plugin base (control, program)
billeksah-main-static program: Leksah plugin base (control, program)
billeksah-pane library: Leksah library (graphics, library)
billeksah-services library: Leksah library (control, library)
bimap library and test: Bidirectional mapping between two key types (bsd3, data, library)
bimap-server library: Two-column database server. (bsd3, data, library)
bimaps library, test and benchmark: bijections with multiple implementations. (bsd3, data, library)
bin library: Bin: binary natural numbers. (data, dependent-types, gpl, library, math, singletons)
binance-exports library, program and test: Generate CSV Exports of your Binance Trade History. (bsd3, console, finance, library, program, web)
binary library, tests and benchmarks: Binary serialisation for Haskell values using lazy ByteStrings (bsd3, data, library, parsing)
binary-bits library and test: Bit parsing/writing on top of binary. (bsd3, data, library, parsing)
binary-communicator library: Flexible way to ease transmission of binary data. (bsd3, data, library)
binary-conduit library and test: data serialization/deserialization conduit library (conduit, library, mit)
binary-derive library: Automatic deriving of Binary using GHC.Generics (data, gpl, library)
binary-enum library: Simple wrappers around enum types (bsd3, data, library)
binary-ext library and test: An alternate with strong-typed errors for `Data.Binary.Get` monad from `binary` package. (data, library, parsing)
binary-file library: read/write binary file (bsd3, file, library)
binary-generic library: Generic binary serialisation using binary and syb. (bsd3, data, library, parsing)
binary-generic-combinators library and test: Combinators and utilities to make Generic-based deriving of Binary easier and more expressive (bsd3, data, library, parsing)
binary-ieee754 library: Backport ieee754 float double combinators to older binary (bsd3, data, library)
binary-indexed-tree library: Binary Indexed Trees (a.k.a. Fenwick Trees). (data, library)
binary-instances library and test: Orphan instances for binary (bsd3, library, web)
binary-io library and test: Read and write values of types that implement Binary (bsd3, data, io, library, parsing)
binary-list library and benchmark: Lists of length a power of two. (bsd3, data, library)
binary-literal-qq library: Extends Haskell with binary literals. (bsd3, deprecated, language, library)
binary-orphans library and test: Compatibility package for binary; provides instances (binary, bsd3, compatibility, data, library, parsing)
binary-parser library and test: An efficient but limited parser API specialised to bytestrings (binary, library, mit, parser)
binary-parsers library, test and benchmark: Extends binary with parsec/attoparsec style parsing combinators. (bsd3, data, library)
binary-protocol library: Monad to ease implementing a binary network protocol. (bsd3, data, library)
binary-protocol-zmq library: Monad to ease implementing a binary network protocol over ZeroMQ (bsd3, data, library, network)
binary-search library and tests: Binary and exponential searches (algorithms, bsd3, library)
binary-serialise-cbor library: Yet Another Binary Serialisation Library (compatibility shim) (bsd3, codec, library)
binary-shared library: Sharing for the binary package (data, library)
binary-state library: Simple wrapper around Data.Binary, which adds StateT to Get/Put monads. (bsd3, data, library)
binary-store library and test: Format to store data using the binary transform. (bsd3, data, deprecated, library)
binary-streams library and test: data serialization/deserialization io-streams library (bsd3, data, io-streams, library)
binary-strict library and test: Binary deserialisation using strict ByteStrings (bsd3, data, library, parsing)
binary-tagged library, test and benchmark: Tagged binary serialisation. (bsd3, data, library)
binary-tree library, tests and benchmark: (library, mit, unclassified)
binary-typed library, tests and benchmarks: Type-safe binary serialization (bsd2, data, deprecated, library, serialization)
binary-varint library: VarInt encoding/decoding via Data.Binary (bsd3, data, library)
binarydefer library: Binary serialization with deferred loading (bsd3, data, library)
binaryen library and test: Haskell bindings to binaryen (bsd3, compiler, library)
bind-marshal library: Data marshaling library that uses type level equations to optimize buffering. (bsd3, data, library)
binder library and test: Variable binding for abstract syntax tree (data, library, mit)
binding-core library and test: Data Binding (bsd3, gui, library, user-interfaces)
binding-gtk library and tests: Data Binding in Gtk2Hs (bsd3, gui, library, user-interfaces)
binding-wx library and tests: Data Binding in WxHaskell (bsd3, gui, library, user-interfaces)
bindings library: Deprecated package. (bsd3, deprecated, ffi, library)
bindings-DSL library: FFI domain specific language, on top of hsc2hs. (bsd3, ffi, library)
bindings-EsounD library: Low level bindings to EsounD (ESD; Enlightened Sound Daemon) (ffi, library, public-domain)
bindings-GLFW library and test: Low-level bindings to GLFW OpenGL library (bsd3, graphics, library)
bindings-K8055 library: Bindings to Velleman K8055 dll (bsd3, ffi, library)
bindings-apr library: Low level bindings to Apache Portable Runtime (APR) (ffi, library, public-domain)
bindings-apr-util library: Low level bindings to Apache Portable Runtime Utility (APR Utility) (ffi, library, public-domain)
bindings-audiofile library: Low level bindings to audiofile (ffi, library, public-domain)
bindings-bfd library: Bindings for libbfd, a library of the GNU `binutils' (development, ffi, lgpl, library)
bindings-cctools library: Bindings to the CCTools WorkQueue C library (ffi, gpl, library)
bindings-codec2 library and program: Very low-level FFI bindings for Codec2 (bindings, codec, ffi, gpl, library, program)
bindings-common library: This package is obsolete. Look for bindings-DSL instead. (bsd3, deprecated, ffi, library)
bindings-dc1394 library: Library for using firewire (iidc-1394) cameras (bsd3, library, system)
bindings-directfb library: Project bindings-* raw interface to DirectFB (bsd3, ffi, library)
bindings-eskit library: Bindings to ESKit. (bsd3, ffi, library, numerical)
bindings-fann library: Project bindings-* raw interface to FANN neural network library (bsd3, ffi, library)
bindings-fluidsynth library: Haskell FFI bindings for fluidsynth software synthesizer (bsd3, library, sound)
bindings-friso library: Low level bindings for friso (apache, ffi, library)
bindings-glib library: Project bindings-* raw interface to GLib (bsd3, ffi, library)
bindings-gobject library: Low level bindings supporting GObject and derived libraries. (bsd3, ffi, library)
bindings-gpgme library: Project bindings-* raw interface to gpgme (bsd3, ffi, library)
bindings-gsl library: Project bindings-* raw interface to GNU GSL (bsd3, ffi, library)
bindings-gts library: Low level bindings supporting GTS, the GNU Triangulated Surface Library (ffi, lgpl, library)
bindings-hamlib library and program: Hamlib bindings for Haskell (ffi, lgpl, library, program)
bindings-hdf5 library: Project bindings-* raw interface to HDF5 library (bsd3, ffi, library)
bindings-levmar library: Low level bindings to the C levmar (Levenberg-Marquardt) library (ffi, library, numerical)
bindings-libcddb library: Project bindings-* raw interface to libcddb (bsd3, ffi, library)
bindings-libffi library: Project bindings-* raw interface to libffi (bsd3, ffi, library)
bindings-libftdi library: Low level bindings to libftdi. (ffi, library)
bindings-libg15 library: Bindings to libg15 (bsd2, library, web)
bindings-libpci library: Low level bindings to libpci (bsd3, ffi, library)
bindings-librrd library: Low level bindings to RRDtool (ffi, library, public-domain)
bindings-libstemmer library: Binding for libstemmer with low level binding. (ffi, library, mit)
bindings-libusb library: Low level bindings to libusb. (bsd3, ffi, library)
bindings-libv4l2 library: bindings to libv4l2 for Linux (bsd3, library, system)
bindings-libzip library: Low level bindings to libzip. (bsd3, ffi, foreign, library)
bindings-linux-videodev2 library: bindings to Video For Linux Two (v4l2) kernel interfaces (bsd3, graphics, library)
bindings-lxc library: Direct Haskell bindings to LXC (Linux containers) C API. (bsd3, ffi, library)
bindings-mmap library: (deprecated) see bindings-posix instead (bsd3, deprecated, library, system)
bindings-monetdb-mapi library: Low-level bindings for the MonetDB API (mapi) (bsd3, database, library)
bindings-mpdecimal library: bindings to mpdecimal library (bsd3, deprecated, library, math)
bindings-nettle library and test: bindings to nettle crypto library (bindings, gpl, library)
bindings-parport library: parport bindings (bsd3, ffi, library)
bindings-portaudio library: Low-level bindings to portaudio library (bsd3, library, sound)
bindings-posix library: Project bindings-* raw interface to Posix (bsd3, ffi, library)
bindings-potrace library: Low-level bindings to the potrace bitmap tracing library (gpl, graphics, library)
bindings-ppdev library: PPDev bindings (bsd3, ffi, library)
bindings-saga-cmd library and programs: Wrapping saga_cmd (gpl, library, math, program)
bindings-sane library: FFI bindings to libsane (ffi, lgpl, library)
bindings-sc3 library: Low-level bindings to the SuperCollider synthesis engine library. (ffi, library, sound)
bindings-sipc library and programs: Low level bindings to SIPC. (library, program, security-)
bindings-sophia library: Low-level bindings to sophia library (bsd3, database, library)
bindings-sqlite3 library: Project bindings-* raw interface to sqlite3 (bsd3, ffi, library)
bindings-svm library: Low level bindings to libsvm. (bsd3, ffi, library)
bindings-uname library: Low-level binding to POSIX uname(3) (ffi, library, public-domain, system)
bindings-wlc library and test: Bindings against the wlc library (bsd3, ffi, library)
bindings-yices library: Bindings to the Yices theorem prover (ffi, foreign, library, public-domain, theorem-provers)
bindynamic library: A variation of Data.Dynamic.Dynamic with a Binary instance (data, gpl, library)
binembed library and program: Embed data into object files. (bsd3, distribution, library, program)
binembed-example program: Example project using binembed to embed data in object files. (bsd3, distribution, program)
bini library: A collection of various methods for reading and writing bini files. (bsd3, configuration, data, library)
binrep library, test and benchmark: Encode precise binary representations directly in types (data, generics, library, mit, serialization)
binrep-instances library: Orphan instances for binrep (data, library, mit, serialization)
bins library: Aggregate continuous values into discrete bins (bsd3, library, math)
binsm program: binary files splitter and merger (program, tools)
bio library: A bioinformatics library (bioinformatics, library)
bio-sequence library and tests: Initial project template from stack (bio, bsd3, deprecated, library)
bioace library: Library for reading ace assembly files (bioinformatics, library)
bioalign library: Data structures and helper functions for calculating alignments (bioinformatics, library)
biocore library: A bioinformatics library (bioinformatics, library)
biofasta library: Library for reading fasta sequence files (bioinformatics, library)
biofastq library: A library for reading FASTQ files (bioinformatics, library)
biohazard library: bioinformatics support library (bioinformatics, bsd3, library)
bioinformatics-toolkit library, test and benchmark: A collection of bioinformatics tools (bio, library, mit)
biophd library: Library for reading phd sequence files (bioinformatics, library)
biopsl library and programs: Library and executables for working with PSL files (bioinformatics, library, program)
biosff library: Library and executables for working with SFF files (bioinformatics, lgpl, library)
biostockholm library and test: Parsing and rendering of Stockholm files (used by Pfam, Rfam and Infernal). (bioinformatics, bsd3, library)
bip32 library and test: BIP-0032: Hierarchical Deterministic Wallets for Bitcoin and other cryptocurrencies (apache, cryptography, library)
birch-beer library and program: Plot a colorful tree. (bioinformatics, gpl, library, program)
bird library and program: A simple, sinatra-inspired web framework. (bsd3, library, program, web)
birds-of-paradise library and test: Birds of Paradise (bsd3, language, library)
bisc program: A small tool that clears cookies (and more). (gpl, program, utility)
biscuit-haskell library, test and benchmark: Library support for the Biscuit security token (bsd3, library, security)
biscuit-servant library and test: Servant support for the Biscuit security token (bsd3, library, security)
bisect-binary program: Determine relevant parts of binary data (development, mit, program)
bishbosh library, programs and tests: Plays chess. (game, gpl, library, program)
bit-array library and test: A bit array (aka bitset, bitmap, bit vector) API for numeric types (bit-vectors, data-structures, library, mit, pretty-printer)
bit-protocol library and test: Encode binary protocols with some odd bit numbers into a bytestring (bits, bsd3, bytes, data, library, parsing, protocols)
bit-stream library, test and benchmark: Lazy, infinite, compact stream of Bool with O(1) indexing. (bsd3, deprecated, library, unclassified)
bit-vector library and test: Simple bit vectors for Haskell (bit-vectors, bsd3, data, library)
bitarray library: Mutable and immutable bit arrays (bsd3, data, library)
bitarray-bs library and test: Bit array based on ByteString (bsd3, data, library)
bitcoin-address library and test: Bitcoin address generation and rendering. Parsing coming soon. (apache, cryptography, library)
bitcoin-api library and test: Provides access to the RPC API of Bitcoin Core (finance, library, mit, network)
bitcoin-api-extra library and test: Higher level constructs on top of the bitcoin-api package (finance, library, mit, network)
bitcoin-block library and test: Utility functions for manipulating bitcoin blocks (finance, library, mit, network)
bitcoin-compact-filters library and test: BIP 158 compact block filters (bsd3, library, unclassified)
bitcoin-hash library and test: Bitcoin hash primitives (apache, cryptography, library)
bitcoin-hs library and test: Partial implementation of the Bitcoin protocol (as of 2013) (bitcoin, bsd3, cryptography, library)
bitcoin-keys library and test: Bitcoin keys (apache, cryptography, library)
bitcoin-payment-channel library, test and benchmark: Instant, two-party Bitcoin payments (bitcoin, finance, library, network)
bitcoin-rpc library and test: Library to communicate with the Satoshi Bitcoin daemon (bitcoin, bsd3, library, network)
bitcoin-script library and test: Compilation, manipulation and decompilation of Bitcoin scripts (finance, library, mit, network)
bitcoin-scripting library and test: Resources for working with miniscript, and script descriptors (bsd3, language, library)
bitcoin-tx library and test: Utility functions for manipulating bitcoin transactions (finance, library, mit, network)
bitcoin-types library and test: Provides consistent low-level types used commonly among Bitcoin implementations (finance, library, mit, network)
bitcoind-regtest library, program and test: A library for working with bitcoin-core regtest networks (bsd3, library, program, unclassified)
bitcoind-rpc library: A streamlined interface to bitcoin core using Haskoin types and Servant (bsd3, library, unclassified)
bitfield library and test: Generic and easy to use haskell bitfields (bit, data, library, mit)
bitly-cli program: A command line tool to access bit.ly URL shortener. (bsd3, deprecated, program, utils, web)
bitmap library: A library for handling and manipulating bitmaps (rectangular pixel arrays). (bsd3, data, graphics, library)
bitmap-opengl library: OpenGL support for Data.Bitmap. (bsd3, data, graphics, library)
bitmaps library: Bitmap library (bsd3, codec, data, graphics, library)
bitmasks library and test: Bitmasks for efficient storing of boolean flags (bsd3, data, library)
bits library: Various bit twiddling and bitwise serialization primitives (bsd3, data, library, serialization)
bits-atomic library: Atomic bit operations on memory locations for low-level synchronization (bsd3, concurrency, data, foreign, library)
bits-bytestring library, test and benchmark: Bits instance for bytestrings. (bsd3, data, library)
bits-bytestring-lazy library, test and benchmark: Bits instance for lazy bytestrings. (bsd3, data, library)
bits-conduit library, test and benchmark: Bitstream support for Conduit (bsd3, conduit, data, library)
bits-extra library, tests and benchmark: Useful bitwise operations (bit, bsd3, data, library)
bits-extras library: Efficient high-level bit operations not found in Data.Bits (bsd3, data, library)
bits-show library and test: Showing data as strings of 0 and 1 (apache, bit, library, text)
bitset library, test and benchmark: A space-efficient set data structure. (data-structures, library, mit)
bitset-word8 library, test and benchmark: Space efficient set of Word8 and some pre-canned sets useful for parsing HTTP (concurrency, library, mit)
bitspeak program: Proof-of-concept tool for writing using binary choices. (accessibility, program)
bitstream library and tests: Fast, packed, strict and lazy bit streams with stream fusion (data, library, public-domain)
bitstring library: Lazy bit strings (bsd3, data, library)
bittorrent library and test: Bittorrent protocol implementation. (bsd3, library, network)
bittrex library and program: Bindings for the Bittrex API (bsd3, deprecated, library, program, web)
bitvec library, test and benchmark: Space-efficient bit vectors (bit-vectors, bsd3, data, library, public-domain)
bitwise library, test and benchmark: fast multi-dimensional unboxed bit packed Bool arrays (bit-vectors, bsd3, data, data-structures, library)
bitwise-enum library, test and benchmark: Bitwise operations on bounded enumerations (bsd3, data, data-structures, foreign, library)
bitx-bitcoin library and tests: A Haskell library for working with the BitX bitcoin exchange. (bitcoin, bsd3, finance, library, web)
bizzlelude library: A lousy Prelude replacement by a lousy dude (bsd3, library, prelude)
bizzlelude-js library: A lousy Prelude replacement by a lousy dude (bsd3, library, prelude)
bk-tree library: BK-tree implementation (data-structures, library, public-domain)
bkr library and program: Backup utility for backing up to cloud storage services (S3 only right now) (backup, bsd3, library, program, system)
bktrees library: A set data structure with approximate searching (bsd3, data-structures, library)
bla program: a stupid cron (bsd3, deprecated, program, system)
black-jewel program and test: The pirate bay client. (application, gpl, program)
blacktip library, test and benchmark: Decentralized, k-ordered unique ID generator. (apache, database, library)
blagda library and program: Shake frontend for Agda blogging (agpl, blog, library, program)
blake2 library, test and benchmark: A library providing BLAKE2 (cryptography, library, public-domain)
blake3 library and test: BLAKE3 hashing algorithm (apache, cryptography, library)
blakesum library: The BLAKE SHA-3 candidate hashes, in Haskell (bsd3, cryptography, deprecated, library)
blakesum-demo program: The BLAKE SHA-3 candidate hashes, in Haskell (bsd3, cryptography, deprecated, program)
blank-canvas library: HTML5 Canvas Graphics Library (bsd3, graphics, library)
blanks library and test: Fill-in-the-blanks - A library factoring out substitution from ASTs (bsd3, language, library)
blas library: Bindings to the BLAS library (bsd3, deprecated, library, math)
blas-carray library: Auto-generated interface to Fortran BLAS via CArrays (bsd3, library, math)
blas-comfort-array library: Auto-generated interface to Fortran BLAS via comfort-array (bsd3, library, math)
blas-ffi library: Auto-generated interface to Fortran BLAS (bsd3, library, math)
blas-hs library and test: Low-level Haskell bindings to Blas. (library, math, mit)
blastxml library: Library for reading Blast XML output (bioinformatics, library)
blatex program: Blog in LaTeX (mit, program, web)
blaze library: None (bsd3, deprecated, library, unclassified)
blaze-bootstrap library: Blaze helper functions for bootstrap pages (library, mit, web)
blaze-builder library and test: Efficient buffered output. (bsd3, data, library)
blaze-builder-conduit library: Convert streams of builders to streams of bytestrings. (deprecated) (bsd3, conduit, data, deprecated, library)
blaze-builder-enumerator library: Enumeratees for the incremental conversion of builders to bytestrings. (bsd3, data, enumerator, library)
blaze-colonnade library: blaze-html backend for colonnade (bsd3, library, web)
blaze-from-html program: Tool to convert HTML to BlazeHtml code. (bsd3, program, text)
blaze-html library and test: A blazingly fast HTML combinator library for Haskell (bsd3, library, text)
blaze-html-contrib library: Some contributions to add handy things to blaze html. (bsd3, library, web)
blaze-html-hexpat library: A hexpat backend for blaze-html. (bsd3, library, text)
blaze-html-truncate library: A truncator for blaze-html (bsd3, library, text)
blaze-htmx library and test: Blaze integration of the htmx library (bsd3, library, text, web)
blaze-json library and tests: tiny library for encoding json (json, library, mit, text)
blaze-markup library and test: A blazingly fast markup combinator library for Haskell (bsd3, library, text)
blaze-shields library: create svg by Haskell (bsd3, library, web)
blaze-svg library: SVG combinator library (bsd3, graphics, library)
blaze-textual library and test: Fast rendering of common datatypes (bsd3, library, text)
blaze-textual-native library: Fast rendering of common datatypes (deprecated) (bsd3, deprecated, library, text)
blazeMarker library: ... (library, mit, unclassified)
blazeT library: A true monad (transformer) version of the blaze-markup and blaze-html libraries (data, library, mit, text, web)
ble library, programs and test: Bluetooth Low Energy (BLE) peripherals (bsd3, library, program, unclassified)
blindpass library, program and test: Password entry tool (gpl, library, program, utilities)
blink1 library and program: Control library for blink(1) LED from ThingM (bsd3, hardware, library, program)
blip program: Python to bytecode compiler. (bsd3, language-, program)
bliplib library: Support code for Blip. (bsd3, development, library)
blizzard-html library: An HTML generator for Haskell (library, mit, text)
blockchain library and test: Generic blockchain implementation. (blockchain, bsd3, library)
blockfrost-api library and test: API definitions for blockfrost.io (apache, cardano, library)
blockfrost-client library and test: blockfrost.io basic client (apache, cardano, library)
blockfrost-client-core library: blockfrost.io common client definitions / instances (apache, cardano, library)
blockfrost-pretty library: blockfrost.io pretty-printing utilities (apache, library, web)
blockhash library, program and test: Blockhash perceptual image hash algorithm (bsd3, library, program, web)
blocking-transactions library: Composable, blocking transactions. (bsd3, concurrency, library)
blockio library and tests: Perform batches of disk I/O operations. (apache, library, system)
blockio-uring library, tests and benchmark: Perform batches of asynchronous disk IO operations. (bsd3, library, system)
blogination library and program: Very simple static blog software (bsd3, deprecated, library, program, web)
bloodhound library and tests: Elasticsearch and OpenSearch client library for Haskell (bsd3, database, library, search)
bloodhound-amazonka-auth library and test: Adds convenient Amazon ElasticSearch Service authentication to Bloodhound. (bsd3, library, web)
bloohm library, program and test: visual bloom filter for neotrellis m4 output (bsd3, embedded, library, program)
bloomfilter library and test: Pure and impure Bloom Filter implementations. (bsd3, data, library)
bloomfilter-blocked library, tests and benchmark: Fast, compact Bloom filters (apache, data, library)
bloomfilter-redis library, test and benchmark: Distributed bloom filters on Redis (using the Hedis client). (bsd3, data, library)
blosum library and program: BLOSUM generator (bioinformatics, gpl, library, program)
bloxorz program: OpenGL Logic Game (game, program)
blubber program: The blubber client; connects to the blubber server. (game, gpl, program)
blubber-server library and program: The blubber server, serves blubber clients. (agpl, game, library, program)
blucontrol library, program and test: Configurable blue light filter (bsd3, library, program, system)
bludigon library, program and test: Configurable blue light filter (bsd3, deprecated, library, program, system)
bluefin library: The Bluefin effect system (library, mit, unclassified)
bluefin-algae library, test and benchmark: Algebraic effects and named handlers in Bluefin. (control, library, mit)
bluefin-contrib library: The Bluefin effect system, user contributions (library, mit, unclassified)
bluefin-internal library and test: The Bluefin effect system, internals (library, mit, unclassified)
bluefin-opaleye library: bluefin support for high-level PostgreSQL operations via Opaleye. (bsd3, database, library)
bluefin-postgresql library: bluefin support for mid-level PostgreSQL operations. (bsd3, database, library)
bluefin-random library: The Bluefin effect system, random generators (library, mit, unclassified)
bluemix-sdk library: Bindings to Bluemix APIs (bsd3, library, web)
bluesky-tools library and test: Tools for interacting with Bluesky / AT Protocol (bsd3, library, web)
bluetile programs: full-featured tiling for the GNOME desktop environment (bsd3, program, system)
bluetileutils program: Utilities for Bluetile (bsd3, deprecated, program, utils)
blunk-hask-tests program: spam (bsd3, deprecated, program, spam)
blunt library and program: Convert between pointfree and pointful expressions. (deprecated, library, mit, program, web)
bm library, program and test: open bookmarks and queries from the command line (library, mit, program, utils)
bmp library: Read and write uncompressed BMP image files. (codec, library, mit)
bnb-staking-csvs library, program and test: Generate CSV Exports of Your BNB Staking Rewards. (bsd3, console, finance, library, program, web)
bno055-haskell library: Library for communication with the Bosch BNO055 orientation sensor (library, mit, system)
board-games library, test and benchmarks: Three games for inclusion in a web server (game, library, web)
boardgame library, program and test: Modeling boardgames (game, library, mit, model, program)
bodhi library: Fedora Bodhi REST client library (library, mit, network)
bogocopy program: Copy a directory tree, making zero-size sparse copies of big files. (bsd2, file-manager, program, system-tools, tools)
bogre-banana library and program: (bsd3, game-engine, library, program)
boilerplate library, program and test: Generate Haskell boilerplate. (building, gpl, library, program)
bolt library and test: Bolt driver for Neo4j (bsd3, database, library)
bolty library and tests: Haskell driver for Neo4j (BOLT protocol 4.4-5.4) (apache, database, library)
bolty-streamly library and tests: Streamly streaming interface for bolty Neo4j driver (apache, database, library)
boltzmann-brain library and program: Analytic sampler compiler for combinatorial systems. (bsd3, library, math, program)
boltzmann-samplers library: Uniform random generators (data, generic, library, mit, random)
bond library, program and test: Bond schema compiler and code generator (code-generation, compiler, deprecated, language, library, mit, program)
bond-haskell library, test and benchmark: Runtime support for BOND serialization (bsd3, data, library, parsing)
bond-haskell-compiler library, program and test: Bond code generator for Haskell (bsd3, language, library, program)
bookhound library and test: Simple Parser Combinators (library, parser-combinators)
bookhound-format library: Parsers for usual data formats (library, parsers)
bookkeeper library, program, tests and benchmark: Anonymous records and overloaded labels (bsd3, data-structures, library, program, records)
bookkeeper-permissions library: Permissions for bookkeeper records (bsd3, data-structures, library, records)
bookkeeping library and tests: A module for bookkeeping by double entry. (business, library, mit)
bookkeeping-jp library and tests: Helper functions for Japanese bookkeeping. (business, library, mit)
bool-extras library: A fold function for Bool (bsd3, data, library)
bool8 library: Alternative Bool type stored as byte (bsd3, foreign, library)
boolean-like library: Logical combinatory operations dealing with datatypes representing booleans by their constructors. (bsd3, control, library)
boolean-list library: convert numbers to binary coded lists (data, gpl, library)
boolean-normal-forms library and test: Boolean normal form: NNF, DNF & CNF (data, library, mit)
boolector library and tests: Haskell bindings for the Boolector SMT solver (bit-vectors, formal-methods, library, math, mit, smt, theorem-provers)
boolexpr library: Boolean expressions with various representations and search queries. (bsd3, data-structures, library, parsing, search)
bools library: None (bsd3, deprecated, library, unclassified)
boolsimplifier library: Simplification tools for simple propositional formulas. (bsd3, language, library, math)
boomange program: A bookmarks manager with an HTML generator (gpl, program, web)
boombox library: Chronokinetic stream sources and incremental consumers (bsd3, data, library)
boomerang library: Library for invertible parsing and printing (bsd3, library, parsing, text)
boomslang program: Boomshine clone (game, program, public-domain)
boomwhacker program: Convert MIDI file to play-along boomwhacker animation (bsd3, music, program, sound)
boop library and test: OOP primitives for Haskell (bsd3, library, oop)
boopadoop library, program and test: Mathematically sound sound synthesis (library, mit, music, program)
boots library and test: IoC Monad in Haskell (application, factory, ioc, library, mit, monad)
boots-app library and program: Factory for quickly building an application (application, configuration, health, library, logger, mit, program, random)
boots-cloud library: Factory for quickly building a microservice (application, consul, deprecated, library, microservice, mit, servant, swagger, web)
boots-web library: Factory for quickly building a web application (application, deprecated, library, mit, servant, swagger, web)
bootstrap-types library: Bootstrap CSS Framework type-safe interface (library, mit, web)
bordacount library and test: Implementation of the Borda count election method. (algorithms, bsd3, library)
borel library and test: Metering System for OpenStack metrics provided by Vaultaire. (bsd3, development, library)
boring library: Boring and Absurd types (bsd3, data, library)
boring-game library, program and test: An educational game (bsd3, library, program, web)
boring-window-switcher library and program: A boring window switcher. (bsd3, graphics, library, program)
borsh library and test: Implementation of BORSH serialisation (bsd3, codec, library)
bot library: bots for functional reactive programming (bsd3, frp, library, reactivity)
botan-bindings library: Raw Botan bindings (bsd3, cryptography, library)
botan-low library and test: Low-level Botan bindings (bsd3, cryptography, library)
both library: Like Maybe, but with a different Monoid instance. (data, library, mit)
botpp library and program: Build tool for Lambdabot (development, library, program, web)
bottom library, program, test and benchmark: Encoding and decoding for the Bottom spec. (apache, codec, library, program)
bound library and tests: Making de Bruijn Succ Less (bsd3, compilers-interpreters, language, library)
bound-extras library and test: ScopeH and ScopeT extras for bound (bsd3, compilers, interpreters, language, library)
bound-gen library: Unwrap Scope's with globally fresh values (compilers-interpreters, library, mit)
bound-simple library and test: A lightweight implementation of 'bound' (bsd3, language, library)
bounded-array library: Arrays with a value for every index (bsd3, data, library)
bounded-qsem library: Bounded quantity semaphores. (concurrency, library, mit)
bounded-queue library and test: A strict, immutable, thread-safe, single-ended, bounded queue. (bsd3, data, library)
bounded-tchan library: Bounded Transactional channels (queues) (bsd3, concurrency, deprecated, library)
boundingboxes library: A generic boundingbox for an arbitrary vector (bsd3, data, library)
bower-json library and test: Read bower.json from Haskell (library, mit, web)
bowntz program: audio-visual pseudo-physical simulation of colliding circles (demo, gpl, program)
bowtie library: Tying knots in polynomial functors (bsd3, library, unclassified)
box library: A profunctor effect system? (bsd3, control, library)
box-csv library: CSV parsing in a box. (bsd3, deprecated, library, project)
box-socket library and program: Box websockets (bsd3, library, program, web)
box-tuples library: A hack to use GHC.Prim primitives in GHCi (debug, ghc, library, mit)
boxes library and test: 2D text pretty-printing library (bsd3, library, text)
bpann library: backpropagation neuronal network (ai, bsd3, library)
bpath library and test: A minimal typed unix path library (bsd3, library, system)
braid library and program: Types and functions to work with braids and Khovanov homology. (bsd3, library, math, program)
brain-bleep program: primitive imperative language (bsd3, language, program)
brainfuck library and program: Brainfuck interpreter (compilers-interpreters, library, program)
brainfuck-monad library: BrainFuck monad (bsd3, compilers-interpreters, library)
brainfuck-tut library and program: A simple BF interpreter. (bsd3, language, library, program)
brainheck library, program and benchmark: Brainh*ck interpreter in haskell (bsd3, library, program, web)
brassica library, programs, tests and benchmarks: Featureful sound change applier (bsd3, library, linguistics, program)
break library: Break from a loop (bsd3, control, library)
breakout program: A simple Breakout game implementation. (game, program)
breakpoint library and test: Set breakpoints using a GHC plugin (development, library, mit)
breve program: a url shortener (gpl, program, web)
brians-brain program: A Haskell implementation of the Brian's Brain cellular automaton (bsd3, game, program)
brick library and test: A declarative terminal user interface library (bsd3, graphics, library)
brick-calendar library, programs and test: Calendar widget for the Brick TUI library (console, library, mit, program, tui, user-interfaces)
brick-dropdownmenu library: A drop-down menu widget for brick. (bsd3, graphics, library)
brick-filetree library and test: (bsd3, library, unclassified)
brick-list-search library: Search forward or backward for certain kinds of items in brick list (library, user-interface)
brick-list-skip library: Skip a certain kind of items when moving in brick list (library, user-interface)
brick-panes library and test: Panes library for Brick providing composition and isolation for TUI apps. (graphics, library)
brick-skylighting library: Show syntax-highlighted text in your Brick UI (bsd3, graphics, library)
brick-tabular-list library: Tabular list widgets for brick. (library, user-interface)
bricks library and tests: Bricks is a lazy functional language based on Nix. (apache, deprecated, language, library)
bricks-internal library and test: ... (apache, deprecated, language, library)
bricks-internal-test library: ... (apache, deprecated, language, library)
bricks-parsec library and tests: ... (apache, deprecated, language, library)
bricks-rendering library and tests: ... (apache, deprecated, language, library)
bricks-syntax library and tests: ... (apache, deprecated, language, library)
brillig library and program: Simple part of speech tagger (bsd3, library, natural-language-processing, program)
brillo library: Painless 2D vector graphics, animations, and simulations powered by GLFW (graphics, library, mit)
brillo-algorithms library: Data structures and algorithms for working with 2D graphics. (graphics, library, mit)
brillo-examples programs: Examples using the Brillo library (graphics, mit, program)
brillo-export library, program and tests: Export Brillo pictures to png, bmp, tga, tiff, gif, svg and juicy-pixels-image (graphics, library, mit, program)
brillo-juicy library and program: Load any image supported by Juicy.Pixels in your brillo application (bsd3, graphics, library, program)
brillo-rendering library: Brillo picture data types and rendering functions. (graphics, library, mit)
brittany library, program and test: Haskell source code formatter (agpl, language, library, program)
broadcast-chan library, tests and benchmarks: Closable, fair, single-wakeup channel type that avoids 0 reader space leaks. (bsd3, library, system)
broadcast-chan-conduit library: Conduit-based parallel streaming code for broadcast-chan (bsd3, deprecated, library, system)
broadcast-chan-pipes library: Pipes-based parallel streaming code for broadcast-chan (bsd3, deprecated, library, system)
broadcast-chan-tests library and tests: Helpers for generating tests for broadcast-chan (bsd3, deprecated, library, system)
broccoli library: Small library for interactive functional programs. (bsd3, frp, library)
brok library, program and test: Finds broken links in text files (bsd3, command-line-tools, library, program)
broker-haskell library and test: Haskell bindings to Broker, Bro's messaging library. (bsd3, language, library)
bronyradiogermany-common library: Common types and URIs for the BronyRadioGermany API bindings. (bsd3, library, network)
bronyradiogermany-streaming library: Streaming interface for the BronyRadioGermany API. (bsd3, library, network)
brotli library and test: Brotli (RFC7932) compression and decompression (codec, compression, gpl, library)
brotli-conduit library and test: Conduit interface for Brotli (RFC7932) compression. (bsd3, codec, compression, conduit, library)
brotli-streams library and test: IO-Streams interface for Brotli (RFC7932) compression (bsd3, codec, compression, io-streams, library)
browscap library: A reader and interface for the Browser Capabilities Project data files. (bsd3, data, library, web)
browse library and test: Library to present content to an user via their browser (library, scripting)
brush-strokes library, tests and benchmarks: Toolkit for Bézier curves and brush stroking (bsd3, calligraphy, geometry, graphics, library)
brush-stroking library: Brush strokes document model and renderer (bsd3, calligraphy, font, geometry, graphics, library)
bsb-http-chunked library, tests and benchmark: Chunked HTTP transfer encoding for bytestring builders (bsd3, data, library, network)
bsd-sysctl library: Access to the BSD sysctl(3) interface (bsd, bsd3, library, system)
bson library and test: BSON documents are JSON-like objects with a standard binary encoding. (apache, data, library)
bson-generic library: Generic functionality for BSON (bsd3, data, library)
bson-generics library: Generics functionality for BSON (bsd3, data, deprecated, library)
bson-lens library: BSON lenses (development, library, mit)
bson-mapping library: Mapping between BSON and algebraic data types. (data, library)
bspack library, test and benchmark: A simple and fast bytestring packer (bsd3, data, library)
bsparse library: A simple unassuming parser for bytestring (bsd3, bsparse, library)
btc-lsp library, programs and test: Lightning service provider (bitcoin, bsd3, finance, library, lightning, network, payments, program)
btree library, test and benchmark: B-Tree on Unmanaged Heap (bsd3, data, library)
btree-concurrent library and test: A backend agnostic, concurrent BTree (data-structures, library)
btrfs library: Bindings to the btrfs API (bsd3, filesystem, library, system)
buchhaltung library and program: Automates most of your plain text accounting data entry in ledger format. (finance, library, mit, program)
buffer library, test and benchmark: Simple mutable low-level buffer for IO (data, library, mit)
buffer-builder library, tests and benchmarks: Library for efficiently building up buffers, one piece at a time (bsd3, data, library)
buffer-builder-aeson library, test and benchmark: Serialize Aeson values with Data.BufferBuilder (data, library, mit)
buffer-pipe program: Read from stdin and write to stdout in large blocks (bsd3, console, program)
buffet library, program and test: Assembles many Dockerfiles in one. (development, library, mit, program)
buffon library: An implementation of Buffon machines. (bsd2, library, math)
buffon-machines library: Perfect simulation of discrete random variables (bsd3, library, math)
bug library: Better alternatives to the "error" function (development, error-handling, library, mit)
bugsnag library and test: Bugsnag error reporter for Haskell (library, mit, web)
bugsnag-haskell library and tests: Bugsnag error reporter for Haskell (deprecated, library, mit, web)
bugsnag-hs library and test: A Bugsnag client for Haskell. (bsd3, library, web)
bugsnag-wai library and test: WAI integration for Bugsnag error reporting for Haskell (library, mit, web)
bugsnag-yesod library: Yesod integration for Bugsnag error reporting for Haskell (library, mit, web)
bugzilla library: A Haskell interface to the Bugzilla native REST API (bsd3, library, web)
bugzilla-redhat library and test: A Haskell interface to the Bugzilla native REST API (bsd3, library, web)
build library and test: Build Systems à la Carte (algorithms, data-structures, library, mit)
build-env library and program: Compute, fetch and install Cabal build plans into a local environment (bsd3, distribution, library, program)
buildable library: Typeclass for builders of linear data structures (data, library, mit)
buildbox library: Rehackable components for writing buildbots and test harnesses. (bsd3, development, library, testing)
buildbox-tools program: Tools for working with buildbox benchmark result files. (bsd3, development, program, testing)
builder library: bounded ByteArray builder type (bsd3, data, library)
buildwrapper library, program and test: A library and an executable that provide an easy API for a Haskell IDE (bsd3, development, library, program)
bullet library: A wrapper for the Bullet physics engine. (bsd3, library, physics)
bulletproofs library, program, test and benchmark: Bulletproofs are short zero-knowledge proofs without a trusted setup. (cryptography, library, program)
bulmex library and test: Reflex infused with bulma (css) (deprecated, library, mit, web)
bumper program: Automatically bump package versions, also transitively. (bsd3, development, program)
bunz library, program and test: CLI tool to beautify JSON string. (cli, json, library, mit, program)
bureaucromancy library, program and test: Parse webforms & render to interactive hypertext (gpl, library, program, web)
burnt-explorer program: List OP_RETURN cryptocurrency transaction outputs. (apache, cryptocurrency, program)
burrito library and test: Parse and render URI templates. (library, mit, network)
burst-detection library, test and benchmark: Burst detection algorithms (gpl, library, math)
bus-pirate library: Haskell interface to the Bus Pirate binary interface (bsd3, library, system)
buster library: Almost but not quite entirely unlike FRP (bsd3, frp, library)
buster-gtk library: Almost but not quite entirely unlike FRP (bsd3, frp, library)
buster-network library: Almost but not quite entirely unlike FRP (bsd3, frp, library)
bustle program and tests: Draw sequence diagrams of D-Bus traffic (desktop, lgpl, network, program)
butcher library and test: Chops a command or program invocation into digestable pieces. (bsd3, library, ui)
butter library and tests: Monad Transformer for Asyncronous Message Passing (bsd3, concurrency, distrbution, distributed-computing, library)
butterflies library and program: butterfly tilings (gpl, graphics, library, program)
buttplug-hs-core library, program and test: Client library for buttplug.io (bsd3, hardware, library, program)
bv library: Bit-vector arithmetic library (bit-vectors, bsd3, data, library)
bv-embed library: Define embeddings of small bit vectors into larger ones (bsd3, data, library)
bv-little library, test and benchmarks: Efficient little-endian bit vector library (bit-vectors, bsd3, data, library)
bv-sized library and test: a bitvector datatype that is parameterized by the vector width (bit-vectors, bsd3, library)
bv-sized-lens library: Well-typed lenses for bv-sized bitvectors. (bit-vectors, bsd3, library)
by-other-names library and tests: Give aliases to record fields. (bsd3, data, library)
byline library and test: Library for creating command-line interfaces (colors, menus, etc.) (bsd2, library, system, user-interfaces)
bytable library: data from/to ByteString (bsd3, codec, library)
byte-containers library and test: Sets and maps with 8-bit words for keys (bsd3, data, library)
byte-count-reader library and test: Read strings describing a number of bytes like 2Kb and 0.5 MiB (gpl, library, text)
byte-order library and test: Portable big-endian and little-endian conversions (bsd3, data, library)
byteable library: Type class for sequence of bytes (bsd3, data, library)
bytearray-parsing library: Parsing of bytearray-based data (library, mit, parsing)
bytebuild library, test and benchmark: Build byte arrays (bsd3, data, library)
bytedump library: Flexible byte dump helpers for human readers. (bsd3, debug, library)
bytehash library, test and benchmark: Universal hashing of bytes (bsd3, data, library)
bytelog library: Fast logging (bsd3, data, library)
byteorder library: Exposes the native endianness or byte ordering of the system. (bsd3, library, system)
bytepatch library, program and test: Patch byte-representable data in a bytestream (cli, library, mit, program)
bytes library: Sharing code for serialization between binary and cereal (bsd3, data, library, serialization)
bytes-metrics library, test and benchmark: Calculate string metrics on Bytes efficiently (bsd3, data, library)
bytes-patterns library and test: Template haskell macro for casing on Bytes (data, library, mit)
byteset library: Set of bytes. (bsd3, data, library)
byteslice library, test and benchmark: Slicing managed and unmanaged memory (bsd3, data, library)
bytesmith library, test and benchmark: Nonresumable byte parser (bsd3, data, library)
bytestring library, test and benchmark: Fast, compact, strict and lazy byte strings with a list interface (bsd3, data, library)
bytestring-aeson-orphans library: Aeson instances for ByteString, using base 64 encoding (bsd3, data, library)
bytestring-arbitrary library, test and benchmark: Arbitrary instances for ByteStrings (bsd3, data, library)
bytestring-builder library: The new bytestring builder, packaged outside of GHC (bsd3, data, library)
bytestring-builder-varword library and test: Variable-length integer encoding (data, lgpl, library)
bytestring-class library: Classes for automatic conversion to and from strict and lazy bytestrings. (deprecated) (bsd3, data, deprecated, library)
bytestring-conversion library, test and benchmark: Type-classes to convert values to and from ByteString. (data, library, mpl)
bytestring-csv library: Parse CSV formatted data efficiently (bsd3, data, library)
bytestring-delta library: Simple, fast binary diff/patch (data, library, mit)
bytestring-encoding library and test: ByteString ↔ Text converter based on GHC.IO.Encoding (bsd3, data, library, text)
bytestring-encodings library, test and benchmark: checks to see if a given bytestring adheres to a certain encoding (data-, library, mit)
bytestring-from library and test: A type-class to convert values from ByteString. (data, deprecated, library)
bytestring-ft library and test: Byte String implemented on Finger Tree (bsd3, data, library)
bytestring-handle library and test: ByteString-backed Handles (bsd3, library, system)
bytestring-lexing library and test: Efficiently parse and produce common integral and fractional numbers. (bsd3, data, library)
bytestring-mmap library: mmap support for strict ByteStrings (bsd3, library, system)
bytestring-mmap-compat library: mmap support for strict ByteStrings (unix >= 2.8 fork) (bsd3, library, system)
bytestring-nums library: Parse numeric literals from ByteStrings. (bsd3, library, text)
bytestring-plain library: Plain byte strings ('ForeignPtr'-less 'ByteString's) (bsd3, data, library)
bytestring-progress library: A library for tracking the consumption of a lazy ByteString (bsd3, control, library)
bytestring-read library, tests and benchmark: fast ByteString to number converting library (data, library, mit)
bytestring-rematch library and test: Rematch support for ByteString (control, library, mit)
bytestring-short library and test: Backport copy of ShortByteString (bsd3, library, text)
bytestring-show library: Efficient conversion of values into readable byte strings. (bsd3, library, text)
bytestring-strict-builder library, test and benchmark: An efficient strict bytestring builder (builders, bytestring, library, mit, serialization, text)
bytestring-substring library: break bytestrings up into substrings (bsd3, data, library, parsing)
bytestring-time library and test: Library for Time parsing from ByteString (bsd3, data, deprecated, library)
bytestring-to-vector library and test: Convert between ByteString and Vector.Storable without copying (bsd3, data-structures, library)
bytestring-tree-builder library, test and benchmark: A very efficient ByteString builder implementation based on the binary tree (bytestring, library, mit)
bytestring-trie library, test and benchmarks: An efficient finite map from bytestrings to values. (bsd3, data, data-structures, library)
bytestring-typenats library, test and benchmark: Bytestrings with typenat lengths (bsd3, data, library)
bytestringparser library: Combinator parsing with Data.ByteString.Lazy (bsd3, library, parsing, text)
bytestringparser-temporary library: Combinator parsing with Data.ByteString.Lazy (bsd3, library, parsing, text)
bytestringreadp library: A ReadP style parser library for ByteString (bsd3, library, text)
bytetrie library and test: Tries with Bytes as keys. (bsd3, data, library)
byteunits library and test: Human friendly conversion between byte units (KB, MB, GB...) (bsd3, library)
bytezap library: Bytestring builder with zero intermediate allocation (data, generics, library, mit, serialization)
bz2 library, test and benchmark: Bindings to libbz2 (bsd3, compression, library)
bz3 library and test: High-level bindings to bz3 (agpl, codec, library)
bzip-signature library: Backpack signature for BZip compression (bsd3, bzip, compression, library, signatures)
bzip2-clib library: bzip2 C sources (bsd3, codec, library)
bzlib library and test: Compression and decompression in the bzip2 format (bsd3, codec, library)
bzlib-conduit library, test and benchmark: Streaming compression/decompression via conduits. (bsd3, codec, library)
bzlib-conduit-jappie library, test and benchmark: Streaming compression/decompression via conduits. (bsd3, codec, deprecated, library)
c-dsl library: A higher level DSL on top of language-c (language, library, mit)
c-enum library and test: To make a type corresponding to an enum of C language (bsd3, foreign, library)
c-expr-dsl library and test: DSL for the language support by c-expr-runtime (bsd3, library, system)
c-expr-runtime library and test: Haskell DSL for simple C arithmetic expressions (bsd3, library, system)
c-io library: C IO. (bsd3, library, system)
c-mosquitto library, program and test: Simpe mosquito MQTT binding able to work with the Amazons IoT (bsd3, library, program)
c-storable library: CStorable class (bsd3, development, haskell, library)
c-storable-deriving library: Generate C-like storable instances from datatypes (bsd3, foreign, library)
c-struct library and test: To make a wrapper for struct of C language (bsd3, foreign, library)
c0check program: Simple C0 Syntax Check (language, program)
c0parser library: Simple C0 Parser (language, library)
c10k library: C10k server library using prefork (bsd3, library, network)
c14n library: Bindings to the c14n implementation in libxml. (library, mit, xml)
c2ats library, program and test: Translate C code into ATS (gpl, language, library, program)
c2hs program and tests: C->Haskell FFI tool that gives some cross-language type safety (development, gpl, program)
c2hs-extra library: Convenient marshallers for complicate C types. (development, foreign, library, mit)
c2hsc library, program and test: Convert C API header files to .hsc and .hsc.helper.c files (bsd3, development, library, program)
ca library: Cellular Automata (bsd3, library, math)
ca-patterns library and test: Manipulate patterns in cellular automata, create and parse RLE files (data, library, mit, parsing, text)
ca-province-codes library and test: ISO 3166-2:CA Province Codes and Names (bsd3, data, library)
cab library and program: A maintenance command of Haskell cabal packages (bsd3, distribution, library, program)
cabal library: placeholder for Cabal package, you want the upper case Cabal (bsd2, deprecated, development, library)
cabal-add library, program and tests: Extend Cabal build-depends from the command line (bsd3, development, library, program)
cabal-appimage library: Cabal support for creating AppImage applications (agpl, development, distribution, library, linux)
cabal-audit program: Check how up-to-date your .cabal dependencies are. (distribution, mit, program)
cabal-auto-expose library: Build time library that autodetects exposed modules (bundle, distribution, library, mit, modules)
cabal-bounds library, program and test: A command line program for managing the dependency versions in a cabal file. (bsd3, development, library, program, utils)
cabal-build-programs library: Adds executable dependencies to the Cabal build (bsd3, distribution, library)
cabal-bundle-clib library: Bundling C/C++ projects in Cabal package made easy (bsd3, development, library)
cabal-cache library, program and test: CI Assistant for Haskell projects (bsd3, development, library, program)
cabal-cargs library, program and test: A command line program for extracting compiler arguments from a cabal file. (bsd3, development, library, program, utils)
cabal-clean program: Remove outdated cabal build artefacts from `dist-newstyle`. (bsd3, development, program)
cabal-constraints program: Repeatable builds for cabalized Haskell projects. (development, distribution, mit, program)
cabal-db program: query tools for the local cabal database (bsd3, program, tools)
cabal-debian library, program and test: Create a Debianization for a Cabal package (bsd3, debian, distribution, library, program, system)
cabal-dependency-licenses program: Compose a list of a project's transitive dependencies with their licenses (bsd3, distribution, program)
cabal-detailed-quickcheck library: QuickCheck for Cabal tests (library, mit, testing)
cabal-dev programs: Manage sandboxed Haskell build environments (bsd3, deprecated, development, program)
cabal-dir program: show dist dir of 'cabal copy/install' (bsd3, distribution, program)
cabal-doctest library: A Setup.hs helper for running doctests (bsd3, distribution, library)
cabal-edit program: Cabal utility (development, mit, program)
cabal-file library and program: Cabal file access (bsd3, distribution, library, program)
cabal-file-th library and test: Template Haskell expressions for reading fields from a project's cabal file. (bsd3, development, library)
cabal-fix library, program and test: Fix for cabal files. (bsd3, deprecated, distribution, library, program)
cabal-flatpak program: Generate a FlatPak manifest from a Cabal package description (bsd3, distribution, program)
cabal-fmt library, program and tests: Format .cabal files (development, library, program)
cabal-ghc-dynflags library: Conveniently configure GHC's dynamic flags for use with Cabal projects (bsd3, development, library)
cabal-ghci library and program: Set up ghci with options taken from a .cabal file (bsd3, deprecated, development, library, program)
cabal-gild library, program and test: Formats package descriptions. (development, library, mit, program)
cabal-graphdeps program: Generate graphs of install-time Cabal dependencies (development, mit, program)
cabal-helper library and tests: Give Haskell development tools access to Cabal project environment (apache, distribution, library)
cabal-hoogle library, program and test: generate hoogle database for cabal project and dependencies (bsd3, development, library, program)
cabal-info library and program: Read information from cabal files (development, library, mit, program)
cabal-install library, program and tests: The command-line interface for Cabal and Hackage. (bsd3, distribution, library, program)
cabal-install-bundle program: The (bundled) command-line interface for Cabal and Hackage. (bsd3, distribution, program)
cabal-install-ghc72 program: Temporary version of cabal-install for ghc-7.2 (bsd3, distribution, program)
cabal-install-ghc74 program: Temporary version of cabal-install for ghc-7.4 (bsd3, deprecated, distribution, program)
cabal-install-parsers library, tests and benchmark: Utilities to work with cabal-install files (development, library)
cabal-install-solver library and test: The solver component of cabal-install (bsd3, distribution, library)
cabal-lenses library: Lenses and traversals for the Cabal library. (bsd3, development, library, utils)
cabal-macosx library, program and test: Cabal support for creating Mac OSX application bundles. (bsd3, distribution, library, program)
cabal-matrix library and program: Matrix builds for cabal (bsd3, development, library, program)
cabal-meta library, program and test: build multiple packages at once (bsd3, development, library, program)
cabal-mon program: A monitor for cabal builds (development, mit, program)
cabal-nirvana program: Avoid Cabal dependency hell by constraining to known good versions. (deprecated) (bsd3, deprecated, distribution, program)
cabal-pkg-config-version-hook library: Make Cabal aware of pkg-config package versions (bsd3, distribution, library)
cabal-plan library: Library and utility for processing cabal's plan.json file (development, gpl, library)
cabal-plan-bounds program: Derives cabal bounds from build plans (bsd2, distribution, program)
cabal-progdeps program: Show dependencies of program being built in current directory (bsd3, distribution, program)
cabal-query library: Helpers for quering .cabal files or hackageDB's 00-index.tar (bsd3, library, system)
cabal-rpm program: RPM packaging tool for Haskell Cabal-based packages (distribution, gpl, program)
cabal-scaffold library and program: (bsd3, library, program, unclassified)
cabal-scripts library: Shell scripts for support of Cabal maintenance (bsd3, development, library)
cabal-setup program: The user interface for building and installing Cabal packages (bsd3, distribution, program)
cabal-sign program: Sign and verify Cabal packages. (bsd3, development, program)
cabal-sort programs: Topologically sort cabal packages (bsd3, distribution, program)
cabal-src programs: Alternative install procedure to avoid the diamond dependency issue. (bsd3, deprecated, distribution, program)
cabal-test program: Automated test tool for cabal projects. (bsd3, program, testing)
cabal-test-bin library, program and test: A program for finding temporary build file during cabal-test. (bsd3, library, program, testing)
cabal-test-compat library: Compatibility interface of cabal test-suite. (bsd3, deprecated, library, testing)
cabal-test-quickcheck library: QuickCheck for Cabal (library, mit, testing)
cabal-toolkit library: Helper functions for writing custom Setup.hs scripts. (bsd3, distribution, library)
cabal-uninstall program: Uninstall cabal packages (bsd3, distribution, program)
cabal-upload program: Command-line tool for uploading packages to Hackage (bsd3, distribution, program)
cabal2arch program: Create Arch Linux packages from Cabal packages. (bsd3, deprecated, distribution, program)
cabal2doap program: Cabal to Description-of-a-Project (DOAP) (bsd3, distribution, program)
cabal2ebuild library and programs: make gentoo's .ebuild file from .cabal file (bsd3, distribution, library, program)
cabal2ghci program: A tool to generate .ghci file from .cabal (bsd3, development, program)
cabal2json library, program and test: Turn a .cabal file into a .json file (library, mit, program, unclassified)
cabal2nix library, programs and test: Convert Cabal files into Nix build instructions. (bsd3, distribution, library, nix, program)
cabal2spec library, program and test: Convert Cabal files into rpm spec files (distribution, gpl, library, program)
cabalQuery library and program: A simple tool to query cabal files. (bsd3, development, library, program)
cabalg library, program and tests: alias for cabal install from given git repo (library, mit, program, unclassified)
cabalgraph program: Generate pretty graphs of module trees from cabal files (bsd3, distribution, program)
cabalish program: Provides access to the cabal file data for shell scripts (bsd3, program, utilities)
cabalmdvrpm library and program: Create mandriva rpm from cabal package (distribution, library, program)
cabalrpmdeps library and programs: Autogenerate rpm dependencies from cabal files (distribution, library, program)
cabalvchk program: Verify installed package version against user-specified constraints. (bsd3, distribution, program)
cabin program: Cabal binary sandboxes. (bsd3, distribution, program)
cabocha library and test: (bsd3, library, natural-language-processing)
cache library and test: An in-memory key/value store with expiration support (bsd3, cache, data, library)
cache-effectful library and test: A Cache effect for the effectful ecosystem. (cache, library, mit)
cache-polysemy library and test: cached hashmaps (bsd3, cache, library)
cached library and test: Cache values to disk. (bsd3, data-flow, library, workflow)
cached-io library and test: A simple library to cache IO actions (apache, development, library)
cached-json-file library: Locally cache a json file obtained by http (bsd3, library, network)
cached-traversable library: Transparent, persistent caching of lazy, traversable structures (bsd3, data, library)
caching library and test: Cache combinators. (bsd3, data, deprecated, library)
caching-vault library and test: A vault-style cache implementation (bsd3, data, library)
cachix library, programs and test: Command-line client for Nix binary cache hosting https://cachix.org (apache, library, nix, program)
cachix-api library and test: Servant HTTP API specification for https://cachix.org (apache, library, nix)
cacophony library, tests and benchmark: A library implementing the Noise protocol. (cryptography, library, public-domain)
cadence library, programs and test: An ECS-based 2D game framework (bsd3, game, game-engine, library, program)
caerbannog library and test: That rabbit's got a vicious streak a mile wide! (bsd3, data, library, parsing)
caf library: A library of Concurrency Abstractions using Futures. (bsd3, concurrency, library)
cafeteria-prelude library: Prelude subsets—take only what you want! (library, mit, prelude)
caffegraph library: (bsd3, library, math)
cairo library: Binding to the Cairo library. (bsd3, graphics, library)
cairo-appbase program: A template for building new GUI applications using GTK and Cairo. (bsd3, development, program)
cairo-canvas library: Simpler drawing API for Cairo. (graphics, library, mit)
cairo-core library: Cairo Haskell binding (partial) (bsd3, graphics, library)
cairo-image library and tests: Image for Cairo (bsd3, graphics, library)
cake library and program: A build-system library and driver (development, library, program)
cake3 library and programs: Third cake the Makefile EDSL (bsd3, development, library, program)
cakyrespa program: run turtle like LOGO with lojban (bsd3, program, teaching)
cal-layout library and program: Calendar Layout Algorithm (bsd3, library, math, program)
cal3d library: Haskell binding to the Cal3D animation library. (animation, graphics, library)
cal3d-examples programs: Examples for the Cal3d animation library. (animation, graphics, program)
cal3d-opengl library: OpenGL rendering for the Cal3D animation library (animation, graphics, library)
calamity library: A library for writing discord bots in haskell (library, mit, network, web)
calamity-commands library: A library for declaring, parsing, and invoking text-input based commands (library, mit, utils)
calc program: A small compiler for arithmetic expressions. (bsd3, program, unclassified)
calculator program and test: A calculator repl, with variables, functions & Mathematica like dynamic plots. (gpl, math, program)
caldims library and program: Calculation tool and library supporting units (library, math, program)
caledon program: a logic programming language based on the calculus of constructions (gpl, interpreter, language, program)
calendar-recycling program: List years with the same calendars (bsd3, math, program)
calenderweek program: Commandline tool to get week of the year (bsd3, commandline, program)
caliper library, program and test: A time tracker that is way too precise. (cli, gpl, library, program)
call library: The call game engine (bsd3, game, library)
call-alloy library and test: A simple library to call Alloy given a specification (language, library, mit)
call-haskell-from-anything library and program: Call Haskell functions from other languages via serialization and dynamic libraries (library, mit, network, program)
call-plantuml library and test: A simple library to call PlantUML given a diagram specification (graphics, language, library, mit)
call-stack library and test: Use GHC call-stacks in a backward compatible way (data, library, mit)
calligraphy library, program and test: HIE-based Haskell call graph and source code visualizer (bsd3, development, haskell, language, library, program)
camfort library, program and test: CamFort - Cambridge Fortran infrastructure (analysis, apache, fortran, language, library, program)
camh program: write image files onto 256(or 24bit) color terminals. (bsd3, graphics, program)
caml-parser library and test: An extensible parser-combinator library for Caml-Light (language, library, mit, parsing)
campfire library: Haskell implementation of the Campfire API (bsd3, library, web)
can-i-haz library and test: Generic implementation of the Has and CoHas patterns (bsd3, control, library)
canadian-income-tax library, programs and tests: Canadian income tax calculation (gpl, library, productivity, program, tax)
candid library, program and tests: Candid integration (codec, library, program)
canon library: Arithmetic for Psychedelically Large Numbers (library, math, mit)
canonical-filepath library: Abstract data type for canonical file paths. (bsd3, library, system)
canonical-json library, test and benchmark: Canonical JSON for signing and hashing JSON values (bsd3, json, library, text)
canteven-config library: A pattern for configuring programs. (apache, deprecated, library, unclassified)
canteven-http library: Utilities for HTTP programming. (library, mit, unclassified)
canteven-listen-http library: data types to describe HTTP services (apache, development, library)
canteven-log library: A canteven way of setting up logging for your program. (apache, deprecated, development, library)
canteven-parsedate library and test: Date / time parsing utilities that try to guess the date / time format. (apache, library, unclassified)
canteven-template library: A few utilites and helpers for using Template Haskell in your projects. (apache, library, web)
cantor program and test: Application for analysis of java source code (application, bsd3, program, source-code-analysis)
cantor-pairing library and test: Convert data to and from a natural number representation (data, library, mit)
canvhs library: Simple HTML5 graphics for MicroHs (apache, library, web)
cao program: CAO Compiler (compiler, cryptography, language, program)
cap program: Interprets and debug the cap language. (bsd3, language, program)
capability library and test: Extensional capabilities and deriving combinators (bsd3, control, library)
capataz library and test: OTP-like supervision trees in Haskell (concurrency, control, library, mit)
capnp library, program, test and benchmark: Cap'n Proto for Haskell (capnproto, data, library, mit, network, program, rpc, serialization)
capped-list library: A list-like type for lazy sequences, with a user-defined termination value. (bsd3, data, deprecated, library)
capri program: A simple wrapper over cabal-install to operate in project-private mode. (bsd3, distribution, program)
caps library and test: Monadic capabilities with late binding (bsd3, control, library)
captcha-2captcha library and test: A package for integrating a variety of captcha solving services. (library, mit, network)
captcha-capmonster library and test: A package for integrating a variety of captcha solving services. (library, mit, network)
captcha-core library: A package for integrating a variety of captcha solving services. (library, mit, network)
car-pool program: Simple web-server for organizing car-pooling for an event (bsd3, program, web)
caramia library and tests: High-level OpenGL bindings (graphics, library, mit)
carbonara library: some spaghetti code (bsd3, library, system)
carboncopy program: Drop emails from threads being watched into special CC folder. (bsd3, email, program)
cardano-addresses library, program and test: Utils for constructing a command-line on top of cardano-addresses. (apache, cardano, library, program)
cardano-coin-selection library and test: Algorithms for coin selection and fee balancing. (apache, cardano, coin, library, utxo)
cardano-crypto library, test and benchmark: Cryptography primitives for cardano (crypto, library, mit)
cardano-transactions library, program and test: Library utilities for constructing and signing Cardano transactions. (apache, cardano, library, program)
carettah programs: A presentation tool written with Haskell. (gpl, graphics, program)
carray library, test and benchmarks: A C-compatible array library. (bsd3, data, library)
carte program: Carte: A commandline pastebin server. (gpl, network, program)
cartel library, program and test: Specify Cabal files in Haskell (bsd3, deprecated, distribution, library, program)
cas-hashable library: A hashing class for content-addressed storage (control, library, mit)
cas-hashable-s3 library: ContentHashable instances for S3 objects (control, library, mit)
cas-store library and test: A content-addressed storage (control, library, mit)
casa-abbreviations-and-acronyms library: CASA Abbreviations and Acronyms (aviation, bsd3, library)
casa-client library: Client for Casa (bsd3, development, library)
casa-types library: Types for Casa (bsd3, development, library)
casadi-bindings library and tests: mid-level bindings to CasADi (lgpl, library, math, numerical)
casadi-bindings-control library: low level bindings to casadi-control (deprecated, lgpl, library, math, numerical)
casadi-bindings-core library: autogenerated low level bindings to casadi (lgpl, library, math, numerical)
casadi-bindings-internal library: low level bindings to CasADi (lgpl, library, math, numerical)
casadi-bindings-ipopt-interface library: low level bindings to casadi-ipopt_interface (deprecated, lgpl, library, math, numerical)
casadi-bindings-snopt-interface library: low level bindings to casadi-snopt_interface (deprecated, lgpl, library, math, numerical)
cascading library: DSL for HTML CSS (Cascading Style Sheets) (bsd3, deprecated, library, web)
case-conversion library, program and test: Convert between different cases (bsd3, library, program, text)
case-insensitive library, test and benchmark: Case insensitive string comparison (bsd3, data, library, text)
case-insensitive-match library, program, test and benchmarks: A simplified, faster way to do case-insensitive matching. (bsd3, library, program, text)
cased library: Track string casing in its type (library, mit, text)
caseof library: Combinators for casing on constructors (bsd3, development, library)
cases library, test and benchmark: A converter for spinal, snake and camel cases (library, mit, text)
cash library: the Computer Algebra SHell (bsd3, computer-algebra, library, math)
casing library and test: Convert between various source code casing conventions (library, mit, text)
casr-logbook library: CASR 61.345 Pilot Personal Logbook (aviation, library)
casr-logbook-html library and test: CASR 61.345 Pilot Personal Logbook HTML output (aviation, library)
casr-logbook-meta library and test: Meta-information about entries in a CASR 61.345 logbook (casr-logbook) (aviation, library)
casr-logbook-meta-html library and test: Meta-information about entries in a CASR 61.345 logbook (casr-logbook) HTML output (aviation, library)
casr-logbook-reports library and test: CASR 61.345 logbook (casr-logbook) reports. (aviation, library)
casr-logbook-reports-html library and test: CASR 61.345 logbook reports HTML output (aviation, library)
casr-logbook-reports-meta library and test: Reports on meta-information about entries in a CASR 61.345 logbook (casr-logbook) (aviation, library)
casr-logbook-reports-meta-html library and test: HTML output for reports on meta-information about entries in a CASR 61.345 logbook (aviation, library)
casr-logbook-types library and test: CASR 61.345 Pilot Personal Logbook (aviation, library)
cassandra-cql library: Haskell client for Cassandra's CQL protocol (bsd3, database, library)
cassandra-thrift library: thrift bindings to the cassandra database (database-, library)
cassava library and test: A CSV parsing and encoding library (bsd3, csv, library, text, web)
cassava-conduit library, test and benchmark: Conduit interface for cassava package (bsd3, data, library)
cassava-embed library: CSV-file embedding library (bsd3, csv, library, text)
cassava-generic library: Cassave instances for functor-like datatypes like `Either String a`. (bsd3, data, library)
cassava-megaparsec library and test: Megaparsec parser of CSV files that plays nicely with Cassava (csv, library, mit, parsing, text, web)
cassava-records library and test: Auto-generation of records data type. (bsd3, csv, library, text, web)
cassava-streams library and test: io-streams interface for the cassava CSV library. (bsd3, csv, data, io-streams, library, text)
cassava-th library and test: `TemplateHaskell` helpers for `cassava` (bsd3, library, system)
cassette library: Combinators to simultaneously define parsers and pretty printers (apache, library, parsing, text)
cassy library and test: A high level driver for the Cassandra datastore (bsd3, database, library)
cast library: Abstact cast pattern (bsd3, library, pattern)
castagnoli library and test: Portable CRC-32C (bsd3, data, library)
caster library and test: Multicast, thread-safe, and fast logger. (bsd3, library, system)
castle program: A tool to manage shared cabal-install sandboxes. (apache, development, program)
casui program: Equation Manipulator (math, mit, program)
catalyst library: A Category typeclass hierarchy powerful enough to encode full programs. (bsd3, library, unclassified)
catamorphism library and test: Exposes a Template Haskell function for generating catamorphisms. (bsd3, development, library)
catch-fd library: MonadThrow and MonadCatch, using functional dependencies (bsd3, control, library)
categorical-algebra library: Categorical Monoids and Semirings (bsd3, data, library)
categories library: Categories (bsd3, control, library)
category library: Categorical types and classes (bsd3, control, deprecated, library, math)
category-extras library: A meta-package documenting various packages inspired by category theory (bsd3, comonads, control, library, monads)
category-printf library: Highbrow approach to type-safe printf format specifications. (bsd3, library, text)
category-traced library: Traced monoidal categories (bsd3, deprecated, library, math)
catnplus program: Simple tool to display text files with line numbers and paging (command-line-tool, mit, program)
cattrap library, programs and test: Lays out boxes according to the CSS Box Model. (gpl, graphics, library, program)
cauldron library, program and tests: Dependency injection library (bsd3, dependency-injection, library, program)
cautious library: Keep track of warnings and errors during calculations. (bsd3, library, testing)
cautious-file library: Ways to write a file cautiously, to reduce the chances of problems such as data loss due to crashes or power failures (bsd3, library, system)
cautious-gen library and test: (bsd3, library, testing)
cayene-lpp library and test: Cayenne Low Power Payload (bsd3, deprecated, library, web)
cayenne-lpp library and test: Cayenne Low Power Payload (bsd3, library, web)
cayley-client library and test: A Haskell client for the Cayley graph database (bsd3, database, library)
cayley-dickson library and test: Complex numbers, quaternions, octonions, sedenions, etc. (algebra, library, math, mit)
cbf library, program and test: Bindings to read Crystallographic Binary Files (mostly from detectors) (data, gpl, library, program)
cblrepo program: Tool to maintain a database of CABAL packages and their dependencies (distribution, program, utils)
cbor-tool program: A tool for manipulating CBOR. (bsd3, codec, program)
cborg library and test: Concise Binary Object Representation (CBOR) (bsd3, codec, library)
cborg-json library, test and benchmark: A library for encoding JSON as CBOR (bsd3, codec, library)
ccast library: typesafe c-style casts; useful for FFI (bsd3, data, deprecated, library)
cci library and tests: Bindings for the CCI networking library (bsd3, library, network)
ccnx library: A Haskell implementation of the CCNx network protocol. (bsd3, library, network)
cctools-workqueue library: High-level interface to CCTools' WorkQueue library (distributed-computing, gpl, library)
cdar-mBound library, programs, test and benchmark: Exact real arithmetic using Centred Dyadic Approximations (bsd3, data, library, program)
cdeps library, program, test and benchmark: Extract dependencies from C code. (bsd3, c, development, language, library, program)
cdp library, programs and test: A library for the Chrome Devtools Protocol (bsd3, chrome, library, package.category, program)
cedict library and program: Convenient Chinese phrase & character lookup. (library, program, text)
cef library and test: CEF log format (bsd3, library, system)
cef3-raw library: Raw CEF3 bindings (bsd3, ffi, library)
cef3-simple library: Simple wrapper around cef3-raw (bsd3, ffi, library)
ceilometer-common library and test: Common Haskell types and encoding for OpenStack Ceilometer (bsd3, development, library)
cellrenderer-cairo library: Cairo-based CellRenderer (bsd3, graphics, library)
celtchar library, program and test: A tool to build a novel (deprecated, library, mit, program, text)
cerberus library, program and test: Protect and control API access with cerberus (bsd3, deprecated, development, library, program)
cereal library and test: A binary serialization library (bsd3, data, library, parsing)
cereal-conduit library and test: Turn Data.Serialize Gets and Puts into Sources, Sinks, and Conduits (bsd3, conduit, library)
cereal-data-dword library: Integration of "cereal" and "data-dword" (library, mit, unclassified)
cereal-derive library: Automatic deriving of Serialize using GHC.Generics (data, gpl, library)
cereal-enumerator library: Deserialize things with cereal and enumerator (library, public-domain, text)
cereal-ieee754 library: Floating point support for the 'cereal' serialization library (bsd3, data, deprecated, library, parsing)
cereal-io-streams library, test and benchmark: io-streams support for the cereal binary serialization library (bsd3, data, io-streams, library, parsing)
cereal-plus library and test: An extended serialization library on top of "cereal" (deprecated, library, mit, serialization)
cereal-streams library, test and benchmark: Use cereal to encode/decode io-streams. (bsd3, data, deprecated, io-streams, library, parsing)
cereal-text library: Data.Text instances for the cereal serialization library (apache, data, library)
cereal-time library and test: Serialize instances for types from `time` package. (bsd3, data, library)
cereal-unordered-containers library: Integration of "cereal" and "unordered-containers" (library, mit, unclassified)
cereal-uuid library: Integration of "cereal" and "uuid" (library, mit, unclassified)
cereal-vector library and test: Serialize instances for Data.Vector types. (bsd3, data, library)
certificate library: Certificates and Key Reader/Writer (bsd3, data, deprecated, library)
cf library and test: Exact real arithmetic using continued fractions (library, math, mit)
cfenv library and test: A library getting the environment when running on Cloud Foundry (bsd3, library)
cfg library and tests: Type directed application configuration parsing and accessors (configuration, library, mit)
cfipu program: cfipu processor for toy brainfuck-like language (bsd3, compilers-interpreters, program)
cflp library: Constraint Functional-Logic Programming in Haskell (bsd3, control, library)
cfn-flip library and tests: Haskell implementation of aws/cfn-flip (library, mit, tools)
cfopu program: cfopu processor (bsd3, compilers-interpreters, deprecated, program)
cfuture library and test: A Future type that is interruptible anytime and exportable to C/C++. (bsd3, concurrency, library)
cg program: Parser for categorial grammars. (gpl, language, program)
cgen library and programs: generates Haskell bindings and C wrappers for C++ libraries (bsd3, development, library, program)
cgi library: A library for writing CGI programs (bsd3, library, network)
cgi-undecidable library: Undecidable instances for the cgi package. (bsd3, library, unclassified)
cgi-utils library: Simple modular utilities for CGI/FastCGI (sessions, etc.) (bsd3, cgi, library, web)
cgrep program: Command line tool (gpl, program, utils)
cgroup-rts-threads library and test: A container-/cgroup-aware substitute for the GHC RTS `-N` flag (concurrency, library, mpl)
chain-codes library and test: Library decoding chain codes from images (data, gpl, library)
chainweb-mining-client program and test: Mining Client for Kadena Chainweb (bsd3, data, mathematics, program)
chakra library, program and test: A REST Web Api server template for building (micro)services. (library, mit, program, web)
chalk library: Terminal string styling. (library, mit, system)
chalkboard library: Combinators for building and processing 2D images. (bsd3, graphics, library)
chalkboard-viewer library: OpenGL based viewer for chalkboard rendered images. (bsd3, graphics, library)
chalmers-lava2000 library: Hardware description EDSL (bsd3, hardware, language, library)
chan library and test: Some extra kit for Chans (bsd3, concurrency, library)
chan-split library: Concurrent Chans as read/write pairs. Also provides generic Chan pair class. (bsd3, concurrency, library)
change-monger library and program: Parse VCS changelogs into ChangeLogs (bsd3, development, library, program, text)
changelogged library, program and test: Changelog manager for Git projects. (bsd3, development, library, program)
changeset library and tests: Stateful monad transformer based on monoidal actions (control, library, mit)
changeset-containers library and test: Stateful monad transformer based on monoidal actions (control, library, mit)
changeset-fused-effects library and test: Stateful monad transformer based on monoidal actions (control, library, mit)
changeset-lens library and test: Stateful monad transformer based on monoidal actions (control, library, mit)
changeset-reflex library: Stateful monad transformer based on monoidal actions (control, library, mit)
changeset-time library: Stateful monad transformer based on monoidal actions (control, library, mit)
chapelure library and test: A diagnostics library for Haskell (library, mit, pretty-printer)
char-boxdrawing library: Combinators for unicode or ASCII box drawing characters (bsd3, library, text)
char-decode library and test: Convert legacy byte encodings to and from Unicode (bsd3, library, text)
char-qq library: Quasiquoters for characters and codepoints (library, mit, quasiquotes)
character-cases library and test: Exposes subspecies types of Char. And naming cases. (library, mit, simple)
character-ps library and test: Pattern synonyms for ASCII characters for Word8, Word16 etc (bsd3, data, library)
charade library and program: Rapid prototyping websites with Snap and Heist (bsd3, library, program, web)
charset library: Fast unicode character sets based on complemented PATRICIA tries (bsd3, data, library)
charsetdetect library: Character set detection using Mozilla's Universal Character Set Detector (library, text)
charsetdetect-ae library: Character set detection using Mozilla's Universal Character Set Detector (library, text)
chart-cli program: Command-line utility to draw charts from input data easily (bsd3, graphics, program)
chart-histogram library: Easily render histograms with Chart (bsd3, deprecated, graphics, library)
chart-svg library: Charting library targetting SVGs. (bsd3, graphics, library)
chart-svg-various library, program and test: See readme.md (bsd3, deprecated, library, program, project)
chart-unit library and test: Native haskell charts. (bsd3, charts, deprecated, library)
charter library, program and test: (bsd3, library, program, unclassified)
chaselev-deque library and test: Chase & Lev work-stealing lock-free double-ended queues (deques). (bsd3, concurrent, data, library)
chassis library: Polykinded Prelude Kernel. (library, mit, prelude)
chatter library, programs and test: A library of simple NLP algorithms. (bsd3, library, natural-language-processing, program)
chatty library: Some monad transformers and typeclasses for text in- and output abstraction. (agpl, library, text)
chatty-text library: Provides some classes and types for dealing with text, using the fundaments of Chatty. (agpl, library, text)
chatty-utils library: Some utilities any serious chatty-based application may need. (agpl, data, library)
chatwork library, program and test: The ChatWork API in Haskell (library, mit, program, web)
cheapskate library and program: Experimental markdown processor. (bsd3, library, program, text)
cheapskate-highlight library: Code highlighting for cheapskate (bsd3, library, text)
cheapskate-lucid library: Use cheapskate with Lucid (bsd3, library, web)
cheapskate-terminal library, program and test: Initial project template from stack (bsd3, library, program, web)
check-cfg-ambiguity library and test: Checks context free grammar for ambiguity using brute force up to given limit (bsd3, library, parsing)
check-email library: Confirm whether an email is valid and probably existant. (bsd3, library, network)
check-pvp program: Check whether module and package imports conform to the PVP (bsd3, distribution, program)
checked library: Bounds-checking integer types. (bsd3, data, library)
checked-exceptions library and test: mtl-style checked exceptions (control, library, mit)
checked-literals library and test: GHC plugin for checked numeric literals (bsd2, development, library)
checkers library: Check properties on standard classes and data structures. (bsd3, library, testing)
checkmate library, program and tests: Generate checklists relevant to a given patch (agpl, development, library, program)
checksum library: Compute and verify checksums of ISBN, IBAN, etc. (bsd3, library, math)
chell library: A simple and intuitive library for automated testing. (library, mit, testing)
chell-hunit library: HUnit support for Chell (library, mit, testing)
chell-quickcheck library: QuickCheck support for Chell (library, mit, testing)
chemical-equation program: Balance chemical equations (bsd3, chemistry, program)
cherry-core-alpha library and test: The core library for Cherry Haskell. (bsd3, development, library)
chessIO library, programs and tests: Basic chess library (bsd3, game, library, program)
chesshs library: Simple library for validating chess moves and parsing PGN files (bsd3, game, library)
chessica library: A Library for Chess Game Logic (bsd3, game, library)
chevalier-common library: Query interface for Chevalier (bsd3, library, other)
chez-grater library, program and test: Parse and scrape recipe blogs (library, mit, program, web)
chiasma library: A tmux client for Polysemy (library, terminal)
chiasma-test library and tests: Testing tools for chiasma (library, terminal)
chimera library, test and benchmark: Lazy infinite streams with O(1) indexing and applications for memoization (bsd3, data, library)
chiphunk library: Haskell bindings for Chipmunk2D physics engine (bsd3, library, physics)
chitauri program and test: Helper for the Major System (bsd3, program, web)
choice library: A solution to boolean blindness. (bsd3, data, library, public-domain)
choose library: Choose random elements from a stream. (apache, library, random)
choose-exe library and program: Command-line program to choose random element from a stream. (apache, application, library, program)
chorale library and test: A module containing basic functions that the prelude does not offer (library, mit, prelude)
chorale-geo library and test: A module containing basic geo functions (library, mit, prelude)
chp library: An implementation of concurrency ideas from Communicating Sequential Processes (bsd3, concurrency, library)
chp-mtl library: MTL class instances for the CHP library (bsd3, concurrency, library)
chp-plus library: A set of high-level concurrency utilities built on Communicating Haskell Processes (bsd3, concurrency, library)
chp-spec library: A mirror implementation of chp that generates a specification of the program (bsd3, concurrency, library)
chp-transformers library: Transformers instances for the CHP library (bsd3, concurrency, library)
chr-core library: Constraint Handling Rules (bsd3, control, library)
chr-data library: Datatypes required for chr library (bsd3, development, library)
chr-lang library and program: AST + surface language around chr (bsd3, development, library, program)
chr-parse library: Parsing for chr library (bsd3, development, library)
chr-pretty library: Pretty printing for chr library (bsd3, development, library)
chromatin library, program and tests: neovim package manager (library, mit, neovim, program)
chronograph library: measure timings of data evaluation (bsd3, library, testing)
chronologique library and test: Time to manipulate time (deprecated, library, mit, text)
chronos library, test and benchmark: A high-performance time library (bsd3, data, development, library, parsing, time)
chronos-bench library, program and benchmark: Benchmarking tool with focus on comparing results. (benchmarking, bsd3, development, library, performance, program, testing)
chs-cabal library: Cabal with c2hs dependencies (bsd3, build, cabal, customsetup, distribution, library, setup)
chs-deps library, test and benchmark: c2hs dependency analyzer (bsd3, chs, development, library, staticanalysis)
chu2 library: FFI for Chu2 Agda Web Server Interface (bsd3, library, web)
chuchu library and tests: Behaviour Driven Development like Cucumber for Haskell (library, test)
chunked-data library: Typeclasses for dealing with various chunked data representations (data, library, mit)
chunks library: Simple template library with static safety (library, text)
chunky library, program and test: Human-readable storage of text/binary objects. (codec, deprecated, lgpl, library, program)
church library: Automatically convert Generic instances to and from church representations (generics, library, mit)
church-list library: Removed; please see fmlist. (deprecated, library, mit, system)
church-maybe library: Church encoded Maybe (bsd3, data, library)
church-pair library: Church encoded pair (bsd3, data, library)
churros library and test: Channel/Arrow based streaming computation library. (control, data, library, mit)
cicero-api library and program: API bindings to IOHK's Cicero job scheduler (apache, api, library, program)
cielo library and test: Cielo API v3 Bindings for Haskell (agpl, library, web)
cil library: An interface to CIL. (bsd3, language, library)
cimple library, programs and test: Simple C-like programming language (data, gpl, library, program)
cinvoke library: A binding to cinvoke. (bsd3, foreign, library)
cio library: A monad for concurrent IO on a thread pool (concurrency, deprecated, library, mit)
cipher-aes library, test and benchmark: Fast AES cipher implementation with advanced mode of operations (bsd3, cryptography, deprecated, library)
cipher-aes128 library and benchmark: AES and common modes using AES-NI when available. (bsd3, cryptography, library)
cipher-blowfish library, test and benchmark: Blowfish cipher (bsd3, cryptography, deprecated, library)
cipher-camellia library, test and benchmark: Camellia block cipher primitives (bsd3, cryptography, library)
cipher-des library, test and benchmark: DES and 3DES primitives (bsd3, cryptography, library)
cipher-rc4 library, test and benchmark: Fast RC4 cipher implementation (bsd3, cryptography, deprecated, library)
cipher-rc5 library: Pure RC5 implementation (bsd3, cryptography, library)
ciphersaber2 library and program: Implementation of CipherSaber2 RC4 cryptography. (data, library, mit, program)
circ library: A Compiler IR Compiler. (bsd3, compiler, language, library)
circe library, program and test: CRC (codec, library, mit, program)
circle library and test: Circle API client for Haskell (library, mit, web)
circle-packing library: Simple heuristic for packing discs of varying radii in a circle (bsd3, library, optimisation)
circlehs library: The CircleCI REST API for Haskell (api, library, mit, web)
circuit-breaker library, program and test: An implementation of the "circuit breaker" pattern to disable repeated calls to a failing system (bsd3, library, program, system)
circuit-notation library and test: Source plugin for manipulating circuits in Clash using arrow notation (bsd3, hardware, library)
circuits library: first-class circuits (bsd3, control, library)
circular library, test and benchmark: Circular fixed-sized mutable vectors (bsd3, data-structures, library, math)
circular-enum library and test: Make bounded enum types circular (data, library, mit)
circus library: Types and a small DSL for working with netlistsvg (bsd3, hardware, library)
cirru-parser library: Cirru Parser in Haskell (library, mit, text)
cisco-spark-api library, program and test: DEPRECATED in favor of webex-teams-api (library, mit, program, web)
citation-resolve library and tests: convert document IDs such as DOI, ISBN, arXiv ID to bibliographic reference. (bsd3, library, text)
citeproc library and test: Generates citations and bibliography from CSL styles. (bsd2, library, text)
citeproc-hs library: A Citation Style Language implementation in Haskell (bsd3, library, text)
citeproc-hs-pandoc-filter program: A Pandoc filter for processing bibliographic references with citeproc-hs (gpl, program, text)
cityhash library and test: Bindings to CityHash (codec, library, mit)
cj-token library, program and test: A new Haskeleton package. (library, other, program)
cjk library and test: Data about Chinese, Japanese and Korean characters and languages (bsd3, library, text)
cl3 library, test and benchmarks: Clifford Algebra of three dimensional space. (algebra, bsd3, library, math)
cl3-hmatrix-interface library: Interface to/from Cl3 and HMatrix. (algebra, bsd3, library, math)
cl3-linear-interface library: Interface to/from Cl3 and Linear. (algebra, bsd3, library, math)
cl3-posit library and test: Clifford Algebra of three dimensional space, implemented with Posit numbers. (algebra, bsd3, library, math, numeric)
clac program: Simple CLI RPN calculator (gpl, math, program)
clafer library, program and tests: Compiles Clafer models to other formats: Alloy, JavaScript, JSON, HTML, Dot. (library, mit, model, program)
claferIG library, program and test: claferIG is an interactive tool that generates instances of Clafer models. (library, mit, model, program)
claferwiki library: A wiki-based IDE for literate modeling with Clafer (library, mit, wiki)
claims-x12-dsl library, program and test: Type-safe DSL for healthcare claims validation and X12 processing (bsd3, healthcare, library, program)
clang-compilation-database library and test: JSON Compilation Database Format encoding and decoding (language, library, mit)
clang-pure library and tests: Pure C++ code analysis with libclang (apache, language, library)
clanki program: Command-line spaced-repetition software (education, mit, program)
clarifai library: API Client for the Clarifai API. (library, mit, network)
clash library: CAES Language for Synchronous Hardware (CLaSH) (bsd3, deprecated, hardware, language, library)
clash-finite library: A class for types with only finitely many inhabitants (hardware, library, mit)
clash-ghc library and programs: Clash: a functional hardware description language - GHC frontend (bsd2, hardware, library, program)
clash-lib library and program: Clash: a functional hardware description language - As a library (bsd2, hardware, library, program)
clash-lib-hedgehog library: Hedgehog Generators for clash-lib (bsd2, hardware, library)
clash-multisignal library: (bsd3, hardware, library)
clash-prelude library: Clash: a functional hardware description language - Prelude library (bsd2, hardware, library)
clash-prelude-hedgehog library: Hedgehog Generators for clash-prelude (bsd2, hardware, library)
clash-prelude-quickcheck library: QuickCheck instances for various types in the CλaSH Prelude (hardware, library, testing)
clash-protocols library and tests: a battery-included library for (dataflow) protocols (bsd2, hardware, library)
clash-protocols-base library: Internal support package for clash-protocols; use clash-protocols instead. (bsd2, hardware, library)
clash-shake library: Shake rules for building Clash programs (hardware, library, mit, shake)
clash-shockwaves library and tests: Typed waveforms for Clash using the Surfer waveform viewer (bsd2, hardware, library)
clash-systemverilog library: CAES Language for Synchronous Hardware - SystemVerilog backend (bsd2, deprecated, hardware, library)
clash-verilog library: CAES Language for Synchronous Hardware - Verilog backend (bsd2, deprecated, hardware, library)
clash-vexriscv library and test: VexRiscv CPU core for use in Clash designs (apache, development, library)
clash-vhdl library: CAES Language for Synchronous Hardware - VHDL backend (bsd2, deprecated, hardware, library)
clashilator library and program: Automated Clash to Verilator bridge (development, hardware, library, mit, program)
classify library: Library for classification of media files. (data, library, public-domain)
classify-frog program: Classify sounds produced by Xenopus laevis (bioinformatics, bsd3, program)
classy-effects library and test: An interface for a handler-independent, typeclass-based effect system. (control, deprecated, effect, library, mpl)
classy-effects-base library and test: An interface for a handler-independent, typeclass-based effect system. (control, deprecated, effect, library, mpl)
classy-effects-th library and test: Automatic compliance with the classy-effects protocols (control, deprecated, effect, library, mpl, template-haskell)
classy-influxdb-simple library: Super simple InfluxDB package in Classy-MTL style (bsd3, database, library)
classy-miso library, program and test: Typeclass based support for Miso, the Tasty Web Framework for Haskell. (bsd3, library, program, web)
classy-parallel library: Fork of the monad-parallel package using monad-control (control, gpl, library)
classy-prelude library and test: A typeclass-based Prelude. (control, library, mit, prelude)
classy-prelude-conduit library and test: classy-prelude together with conduit functions (control, library, mit, prelude)
classy-prelude-yesod library: Provide a classy prelude including common Yesod functionality. (control, library, mit, yesod)
classyplate library and benchmark: Fuseable type-class based generics (bsd3, data, library)
claude library, programs and test: Servant bindings to Anthropic's Claude API (ai, api, bsd3, library, llm, program)
claude-gate library, program and test: Hook gate that reviews and records edits from nested Claude Code sessions (development, library, mit, program)
clay library and test: CSS preprocessor as embedded Haskell. (bsd3, graphics, library, web)
clckwrks library: A secure, reliable content management system (CMS) and blogging platform (bsd3, clckwrks, library)
clckwrks-cli library and program: a command-line interface for adminstrating some aspects of clckwrks (bsd3, clckwrks, library, program)
clckwrks-dot-com program: clckwrks.com (bsd3, clckwrks, program)
clckwrks-plugin-bugs library: bug tracking plugin for clckwrks (bsd3, clckwrks, library)
clckwrks-plugin-ircbot library: ircbot plugin for clckwrks (bsd3, clckwrks, library)
clckwrks-plugin-mailinglist library: mailing list plugin for clckwrks (bsd3, clckwrks, library)
clckwrks-plugin-media library: media plugin for clckwrks (bsd3, clckwrks, library)
clckwrks-plugin-page library: support for CMS/Blogging in clckwrks (bsd3, clckwrks, library)
clckwrks-plugin-redirect library: support redirects for CMS/Blogging in clckwrks (bsd3, clckwrks, library)
clckwrks-theme-bootstrap library: simple bootstrap based template for clckwrks (bsd3, clckwrks, library)
clckwrks-theme-clckwrks library: simple bootstrap based template for clckwrks (bsd3, clckwrks, library)
clckwrks-theme-geo-bootstrap library: geo bootstrap based template for clckwrks (bsd3, clckwrks, library)
cld2 library: Haskell bindings to Google's Compact Language Detector 2 (apache, library, text)
clean-home program: Keep your home dir clean by finding old conf files (bsd3, program, utils)
clean-unions library: Open unions without need for Typeable (bsd3, data, deprecated, library)
cleff library and tests: Fast and concise extensible effects (bsd3, control, effect, language, library)
cleff-plugin library and test: Automatic disambiguation for extensible effects (bsd3, control, effect, language, library)
clerk library and test: Declaratively describe spreadsheets (bsd3, library, spreadsheet)
cless program: Colorized LESS (mit, program, text)
cleveland library and test: Testing framework for Morley. (blockchain, library, mit)
clevercss library and program: A CSS preprocessor (bsd3, library, program, text)
clexer library: Lexes C++ code into simple tokens (bsd3, library, unclassified)
cli library and program: CLI (bsd3, cli, library, program)
cli-arguments library: A library to process command line arguments in some more convenient way. (cli, library, mit)
cli-arguments-strict library: A library to process command line arguments in some more convenient way. (cli, library, mit, strict)
cli-builder library and test: Simple project template from stack (library, mit, tool)
cli-extras library: Miscellaneous utilities for building and working with command line interfaces (bsd3, command-line, library)
cli-git library: Bindings to the git command-line interface (bindings, bsd3, git, library)
cli-nix library: Bindings to the nix command-line interface (bindings, bsd3, library, nix)
cli-setup library: Helper setup scripts for packaging command-line tools. (bsd3, command-line-tools, development, library)
click-clack program: Toy game (tetris on billiard board). Hipmunk in action. (little-game, program)
clickhouse-haskell library and test: A Haskell library as database client for Clickhouse (database, library, mit)
clientsession library, program and test: Securely store session data in a client-side cookie. (library, mit, program, web)
clif library, test and benchmark: A Clifford algebra number type for Haskell (algebra, library, math, mit)
clifford library, program, test and benchmark: A Clifford algebra library (bsd3, library, math, numerical, program)
clifm program: Command Line Interface File Manager (bsd3, program, system)
climb library and program: Building blocks for a GHCi-like REPL with colon-commands (bsd3, library, program, user-interfaces)
clingo library: Haskell bindings to the Clingo ASP solver (asp, ffi, library, logic-programming, mit, symbolic-computation)
clippard library: A simple Haskell library for copying text to the clipboard in a cross-platform way. (library, mit, system)
clipper library: Haskell API to clipper (2d polygon union/intersection/xor/clipping API) (algebra, bsd3, library)
clippings library, program and test: A parser/generator for Kindle-format clipping files (`My Clippings.txt`), (library, mit, program, text)
clisparkline library and test: Tiny library to pretty print sparklines onto the CLI (graphics, library, mit)
clist library: Counted list (data, deprecated, library)
clit library and program: Post tweets from stdin (bsd3, library, program, web)
cloben program: Clone and benchmark Haskell cabal projects (benchmarking, bsd3, program)
clock library, test and benchmark: High-resolution clock functions: monotonic, realtime, cputime. (bsd3, library, system)
clock-extras library and test: A couple functions that probably should be in the 'clock' package (bsd3, library, web)
clocked library: timer functionality to clock IO commands (concurrency, lgpl, library)
clod library, programs and test: Project file manager for Claude AI integrations (development, library, mit, program)
clogparse library: Parse IRC logs such as the #haskell logs on tunes.org (bsd3, irc, language, library, text)
clone-all program: Clone all github repositories from a given user (development, mit, program)
closed library and test: Integers bounded by a closed interval (data, library, mit)
closed-classes library: Closed type class declarations (bsd3, classes, library)
closed-intervals library and test: Closed intervals of totally ordered types (data-mining, gpl, library)
closure library: Depth- and breadth-first set closures (library, math, mit)
cloud-haskell library: The Cloud Haskell Application Platform (bsd3, control, library)
cloud-seeder library and test: A tool for interacting with AWS CloudFormation (cloud, library)
cloudchor library: Lightweight and efficient choreographic programming for cloud services (concurrency, library, mpl)
cloudevents-haskell library: Unofficial Haskell SDK for the CloudEvents specification (bsd3, library, utils)
cloudfront-signer library: CloudFront URL signer (bsd3, library, network)
cloudi library: Haskell CloudI API (foreign, library, mit)
cloudy library, program and tests: CLI tool to easily spin up and control compute instances in various cloud environments (bsd3, library, productivity, program)
cloudyfs program: A cloud in the file system. (program, system)
clplug library and test: Easily add functionality to your lightning node (bitcoin, library, lightning, mit, plugin)
clr-bindings library and test: Glue between clr-host and clr-typed (.net, bsd3, clr, ffi, language, library)
clr-host library and test: Hosting the Common Language Runtime (.net, bsd3, clr, ffi, language, library)
clr-inline library, test and benchmark: Quasiquoters for inline C# and F# (.net, bsd3, clr, ffi, language, library)
clr-marshal library: Marshaling for the clr (.net, bsd3, clr, ffi, language, library)
clr-typed library and test: A strongly typed Haskell interface to the CLR type system (.net, bsd3, clr, ffi, language, library)
clr-win-linker program: A GHC linker wrapper tool to workaround a GHC >8.2 bug (.net, bsd3, clr, ffi, language, program)
cltw program: Command line Twitter utility (bsd3, console, program, utils)
clua program: C to Lua data wrapper generator (bsd3, language, program)
clumpiness library: Calculate the clumpiness of leaf properties in a tree (gpl, library, math)
cluss library: simple alternative to type classes (bsd3, constraints, library, type-system)
clustering library, test and benchmark: High performance clustering algorithms (library, math, mit)
clustertools programs: Tools for manipulating sequence clusters (bioinformatics, program)
clutterhs library: Bindings to the Clutter animation library (gui, library)
cmaes library and test: CMA-ES wrapper in Haskell (algorithms, library, numerical, optimization)
cmake-syntax library and test: Parser for the CMake syntax (CMakeLists.txt and .cmake files) (bsd3, language, library)
cmark library and test: Fast, accurate CommonMark (Markdown) parser and renderer (bsd3, library, text)
cmark-gfm library, test and benchmark: Fast, accurate GitHub Flavored Markdown parser and renderer (bsd3, library, text)
cmark-gfm-lens library and test: Collection of Lens for cmark-gfm with minimal dependencies (bsd3, control, library)
cmark-highlight library: Code highlighting for cmark (bsd3, library, text)
cmark-lens library and test: Collection of lens for CMark with minimal dependencies (bsd3, control, library)
cmark-lucid library: Use cmark with Lucid (bsd3, library, web)
cmark-patterns library: Pattern synonyms for cmark (bsd3, library, parsing, text)
cmark-sections library and test: Represent cmark-parsed Markdown as a tree of sections (bsd3, library, text)
cmath library: A binding to the standard C math library (bsd3, library, math)
cmathml3 library and program: Data model, parser, serialiser and transformations for Content MathML 3 (bsd3, library, program, xml)
cmd-item library and test: Library to compose and reuse command line fragments (library, mit, system)
cmdargs library: Command line argument processing (bsd3, console, library)
cmdargs-browser program: Helper to enter cmdargs command lines using a web browser (bsd3, console, program)
cmdlib library: a library for command line parsing & online help (bsd3, library, system)
cmdtheline library and test: Declarative command-line option parsing and documentation library. (console, library, mit)
cmf library and test: (C)oncurrent (M)onoidal (F)olds (data, library, mit)
cml library: Events and Channels as in Concurrent ML (bsd3, concurrency, library)
cmonad library: A library for C-like programming (bsd3, language, library)
cmph library and test: low level interface to CMPH (bsd3, data, data-structures, library)
cmptype library and test: Compare types of any kinds (bsd3, library, type)
cmt library, program and test: Write consistent git commit messages (bsd3, command-line-tools, library, program)
cmu library and program: Unification in a Commutative Monoid (algebra, library, program)
cmv library and programs: Detailed visualization of CMs, HMMs and their comparisions (bioinformatics, gpl, library, program)
cnc-spec-compiler program: Compiler/Translator for CnC Specification Files. (bsd3, compilers-interpreters, parallelism, program)
cndict library: Chinese/Mandarin <-> English dictionary, Chinese lexer. (library, natural-language-processing, public-domain)
co-feldspar library: Hardware software co-design Feldspar (bsd3, language, library)
co-log library, programs and test: Composable Contravariant Comonadic Logging Library (comonad, contravariant, library, logging, mpl, program)
co-log-concurrent library: Asynchronous backend for co-log library (comonad, contravariant, library, logging, mpl)
co-log-core library and test: Composable Contravariant Comonadic Logging Library (comonad, contravariant, library, logging, mpl)
co-log-effectful library and test: effectful log effect using co-log-core (bsd3, bsd3-, control, library, logging)
co-log-json library: Structured messages support in co-log ecosystem. (library, mpl, system)
co-log-polysemy library and program: Composable Contravariant Comonadic Logging Library (comonad, contravariant, effects, library, logging, mpl, program)
co-log-polysemy-formatting library and program: A Polysemy logging effect for high quality (unstructured) logs. (bsd3, library, logging, program)
co-log-simple library and program: Simple enhancements for logging with co-log (library, logging, program)
co-log-sys library and test: Syslog implementation on top of 'co-log-core' (library, logging, mpl)
coalpit library and test: DSV (de)serialization (bsd3, console, library)
cobot library, test and benchmark: Computational biology toolkit to collaborate with researchers in constructive protein engineering (bio, bsd3, library)
cobot-io library and test: Biological data file formats and IO (bio, bsd3, library)
cobot-tools library and test: Biological data file formats and IO (bio, bsd3, library)
coco library: cozy conversions (conversion, library, mit)
code-builder library: Simple system for generating code. (bsd3, data, library)
code-conjure library and tests: synthesize Haskell functions out of partial definitions (bsd3, haskell, library)
code-page library and test: Windows code page library for Haskell (bsd3, library, system)
codec library and test: Simple bidirectional serialization (bsd3, data, library)
codec-beam library and test: Erlang VM byte code assembler (bsd3, codec, language, library)
codec-libevent library and program: Cross-platform structure serialisation (bsd3, data, deprecated, library, parsing, program)
codec-mbox library: A library to read and write mailboxes in mbox format (bsd3, codec, library)
codec-rpm library and test: A library for manipulating RPM files (distribution, lgpl, library)
codecov-haskell library, programs and test: Codecov.io support for Haskell. (bsd3, control, library, program)
codeforces-cli library and program: Command line interface to interact with Codeforces. (cli, library, mit, program)
codemonitor program: Tool that automatically runs arbitrary commands when files change on disk. (bsd3, program, tool)
codepad library: Submit and retrieve paste output from CodePad.org. (bsd3, library, web)
codet library and test: CodeT (bsd3, data, library)
codet-plugin library and test: GHC type-checker plugin for solving LiftT instances from codet (bsd3, data, library)
codeworld-api library and test: Graphics library for CodeWorld (library, unclassified)
codex library and program: A ctags file generator for cabal project dependencies. (apache, development, library, program)
codo-notation library: A notation for comonads, analogous to the do-notation for monads. (bsd3, language, library)
coerce-role library and test: Having trouble deriving instances because of type roles? Solve it here! (bsd3, library, roles)
coerce-util library: utils for Data.Coerce (data, deprecated, library, mit)
coerce-with-substitution library: Coercions with improved type inference (bsd3, development, library)
coercible-subtypes library: Coercible but only in one direction (bsd3, data, library)
coercible-subtypes-profunctor library: Combine profunctors with coercible-subtypes (bsd3, data, library)
coercible-utils library, test and benchmark: Utility functions for Coercible types (bsd3, control, library)
coercion-extras library and test: Extra utilities for manipulating nominal and representational coercions (bsd3, data, library)
coformat library, program and test: Generate clang-format config based on some existing code base (bsd3, language, library, program)
cofunctor library: DEPRECATED: use the "contravariant" package (bsd3, data, deprecated, library)
cognimeta-utils library and program: Utilities for Cognimeta products (such as perdure). API may change often. (library, program, unclassified)
coin program: Simple account manager (application, program)
coinbase-exchange library, program and test: Connector library for the coinbase exchange. (library, mit, program, web)
coinbase-pro library, programs and test: Client for Coinbase Pro (finance, library, mit, program, web)
coincident-root-loci library and test: Equivariant CSM classes of coincident root loci (bsd3, library, math)
coinor-clp library and test: Linear Programming using COIN-OR/CLP and comfort-array (bsd3, library, math)
cointracking-imports library and test: Generate CSV & XLSX files for importing into CoinTracking. (bsd3, finance, library, web)
colada library and program: Colada implements incremental word class class induction using online LDA (bsd3, library, natural-language-processing, program)
colchis library: Rudimentary JSON-RPC 2.0 client over raw TCP. (bsd3, library, network)
cold-widow library, programs and test: File transfer via QR Codes. (bsd3, library, program, utility)
collada-output library and program: Generate animated 3d objects in COLLADA (bsd3, graphics, library, program)
collada-types library: Data exchange between graphics applications (bsd3, graphics, library)
collapse-duplication library and program: Collapse the duplication output into clones and return their frequencies. (bioinformatics, gpl, library, program)
collapse-util program: utility for collapsing adjacent writes (bsd3, concurrency, program)
collate library and test: An Applicative Functor for extracting parts of a stream of values (algorithms, apache, library)
collect-errors library: Error monad with a Float instance (bsd3, library, math)
collection-json library and test: Collection+JSON—Hypermedia Type Tools (data, library, mit)
collections library: Useful standard collections types and related functions. (bsd3, data-structures, library)
collections-api library: API for collection data structures. (bsd3, data-structures, library)
collections-base-instances library: Useful standard collections types and related functions. (bsd3, data-structures, library)
colock library: thread-friendly file locks that don't block the entire program (library, system)
colonnade library and test: Generic types and functions for columnar encoding and decoding (bsd3, library, web)
color-counter library and program: Count colors in images (graphics, library, mit, program)
colorful-monoids library and test: Styled console text output using ANSI escape sequences. (library, mit, monad, text, user-interfaces)
colorhash library: Generate a color for a hashable object. (bsd3, library, web)
colorize-haskell library and program: Highligt Haskell source (bsd3, development, library, program)
colorless library and test: Colorless | The Programmatic IDL (bsd3, library, web)
colorless-http-client library: Http Client addon for Colorless (bsd3, library, web)
colorless-scotty library: Scotty server add-on for Colorless (bsd3, library, web)
colors library: A type for colors (bsd3, data, library)
colour library and test: A model for human colour/color perception (data, graphics, library, mit)
colour-accelerate library: Working with colours in Accelerate (accelerate, bsd3, data, graphics, library)
colour-space library and test: Instances of the manifold-classes for colour types (data, gpl, graphics, library, maths)
colour-text library and test: Print and parse colors (apache, graphics, library, text)
colourista library and test: Convenient interface for printing colourful messages (ansi, library, mpl, terminal)
coltrane library: A jazzy, minimal web framework for Haskell, inspired by Sinatra. (bsd3, library, web)
columbia library: Enhanced serialization using seeking. (bsd3, library, serialization)
columnar library: A CSV toolkit based on cassava and enum-text (bsd3, csv, library, text, web)
com : Haskell COM support library (bsd3, ffi)
comark library and program: Commonmark processing in pure haskell. (bsd3, library, program, text)
comark-html library, test and benchmark: Commonmark (markdown) to HTML renderer. (bsd3, library, text)
comark-parser library, test and benchmark: Parser for Commonmark (markdown) (bsd3, library, text)
comark-syntax library: Definitions of AST that represents a Commonmark (markdown) document. (bsd3, library, text)
combinat library and test: Generate and manipulate various combinatorial objects. (bsd3, library, math)
combinat-compat library and test: Generate and manipulate various combinatorial objects. (bsd3, library, math)
combinat-diagrams library: Graphical representations for various combinatorial objects (bsd3, library, math)
combinator-interactive library and program: SKI Combinator interpreter (bsd3, language, library, program)
combinatorial library and test: Count, enumerate, rank and unrank combinatorial objects (bsd3, library, math, statistics)
combinatorial-problems library: A number of data structures to represent and allow the manipulation of standard combinatorial problems, used as test problems in computer science. (library, optimisation)
combinatorics library: Efficient computation of common combinatoric functions. (bsd3, deprecated, library, math, statistics)
combinators library: Collection of combinators over standard typeclasses (library, mit, unclassified)
combobuffer library: Various buffer implementations (bsd3, data, library)
comfort-array library and test: Arrays where the index type is a function of the shape type (bsd3, data-structures, library)
comfort-array-shape library and test: Additional shape types for the comfort-array package (bsd3, data-structures, library)
comfort-blas library and test: Numerical Basic Linear Algebra using BLAS (bsd3, library, math)
comfort-fftw library and test: High-level interface to FFTW (Fast Fourier Transform) based on comfort-array (bsd3, library, math)
comfort-glpk library and test: Linear Programming using GLPK and comfort-array (bsd3, library, math)
comfort-graph library and test: Graph structure with type parameters for nodes and edges (bsd3, data, library)
comic library: A format for describing comics. (bsd3, data, library)
comma library and test: CSV Parser & Producer (library, text)
comma-and library and test: Join text together with commas, and "and". (bsd3, library, utils)
command library: Conveniently run shell commands (bsd3, deprecated, library, system)
command-qq library and tests: Quasiquoters for external commands (bsd2, library, system)
commander library, program and test: pattern matching against string based commands (bsd3, library, program, text)
commander-cli library, program and test: A command line argument/option parser library (cli, library, mit, options, parsing, program, system)
commandert library and test: A monad for commanders (control, library, mit)
commodities library and tests: Library for working with commoditized amounts and price histories (bsd3, finance, library)
commonmark library, test and benchmark: Pure Haskell commonmark parser. (bsd3, library, text)
commonmark-cli program: Command-line commonmark converter and highlighter. (bsd3, program, text)
commonmark-extensions library, test and benchmark: Pure Haskell commonmark parser. (bsd3, library, text)
commonmark-initial library and test: An initial encoding of the CommonMark language (library, text)
commonmark-pandoc library: Bridge between commonmark and pandoc AST. (bsd3, library, text)
commonmark-simple library: Simple interface to commonmark-hs for parsing real-world Markdown. (library, mit, text)
commonmark-wikilink library and test: Obsidian-friendly commonmark wikilink parser (library, mit, web)
commsec library: Provide communications security using symmetric ephemeral keys (bsd3, cryptography, library)
commsec-keyexchange library: Key agreement for commsec. (bsd3, library, network)
commutative library and test: Commutative binary operations. (bsd3, data, library)
commutative-semigroups library: Commutative semigroups (algebra, bsd3, data, library, math)
comonad library: Comonads (bsd3, comonads, control, library)
comonad-coactions library and test: Coactions of comonads on functors (comonads, control, lgpl, library)
comonad-extras library: Exotic comonad transformers (bsd3, comonads, control, library)
comonad-random library: Comonadic interface for random values (control, deprecated, library)
comonad-transformers library: This package has been merged into comonad 4.0 (bsd3, comonads, control, deprecated, library)
comonads-fd library: This package has been merged into comonad 4.0 (bsd3, comonads, control, deprecated, library)
compaREST library, programs and test: Compatibility checker for OpenAPI (library, mit, program, web)
compact library and test: Non-GC'd, contiguous storage for immutable data structures (bsd3, data, library)
compact-list library and test: An append only list in a compact region (bsd3, data, library)
compact-map library: Compact Data.Map implementation using Data.Binary (bsd3, data, library)
compact-mutable library and test: Mutable arrays living on the compact heap (bsd3, library, web)
compact-mutable-vector library and test: Mutable vector with different GC characteristics (bsd3, data, library)
compact-sequences library and tests: Stacks, queues, and deques with compact representations. (bsd3, data, library)
compact-socket library: Socket functions for compact normal form. (bsd3, library, network)
compact-string library: Fast, packed and strict strings with Unicode support, based on bytestrings. (bsd3, data, deprecated, library)
compact-string-fix library: Same as compact-string except with a small fix so it builds on ghc-6.12 (bsd3, data, library)
compact-word-vectors library and test: Small vectors of small integers stored very compactly. (bsd3, data, library)
compactable library and test: A typeclass for structures which can be catMaybed, filtered, and partitioned. (bsd3, control, library)
compactmap library and test: A read-only memory-efficient key-value store. (bsd3, data, library)
companion library: A Haskell library to provide companion threads. (bsd3, concurrency, library)
compare-type library: compare types of any kinds in haskell (bsd3, dependent-types, library)
comparse library and test: A highly generic parser combinators library. (bsd3, library, parsing)
compdata library, test and benchmark: Compositional Data Types (bsd3, generics, library)
compdata-automata library and benchmark: Tree automata on Compositional Data Types (bsd3, generics, library)
compdata-dags library and test: Compositional Data Types on DAGs (bsd3, generics, library)
compdata-fixplate library: Compdata basics implemented on top of Fixplate (bsd3, generics, library)
compdata-param library and test: Parametric Compositional Data Types (bsd3, generics, library)
compdoc library: Parse a Pandoc to a composite value. (composite, library, mit, pandoc, text)
compdoc-dhall-decoder library: Allows you to write FromDhall instances for Compdoc (bsd3, composite, dhall, library, pandoc)
compendium-client library: Client for the Compendium schema server (apache, library, network)
compensated library and benchmark: Compensated floating-point arithmetic (bsd3, library, numeric)
competition library: Helpers and runners for code competitions (code-competitions, library, mit)
compilation library: Haskell functionality for quickly assembling simple compilers. (compilers-interpreters, gpl, language, library)
compiler-warnings library and test: Parser for common compiler warning formats (bsd2, development, library)
complex-generic library: complex numbers with non-mandatory RealFloat (bsd3, library, math)
complex-integrate library: A simple integration function to integrate a complex-valued complex functions (library, math, public-domain)
complexity library: Empirical algorithmic complexity (bsd3, library, testing)
componentm library and test: Monad for allocation and cleanup of application resources (library, mit, system)
componentm-devel library: Easy REPL driven development using ComponentM (library, mit, system)
composable-associations library and test: Types and helpers for composing types into a single larger key-value type. (bsd3, library, web)
composable-associations-aeson library and tests: Aeson ToJSON/FromJSON implementation for the types of composable-associations (bsd3, library, web)
compose-ltr library and test: More intuitive, left-to-right function composition. (data, library, mit)
compose-trans library: Composable monad transformers (bsd3, library, monads)
composite-aeson library and test: JSON for Vinyl records (bsd3, library, records)
composite-aeson-cofree-list library: Print a Cofree [] as a JSON value. (library, mit, text)
composite-aeson-path library: Formatting data for the path library. (bsd3, library, records)
composite-aeson-refined library: composite-aeson support for Refined from the refined package (bsd3, library, records)
composite-aeson-throw library: MonadThrow behaviour for composite-aeson. (library, mit, text)
composite-aeson-writeonly library: WriteOnly indicators for composite-aeson. (library, mit, text)
composite-base library and test: Shared utilities for composite-* packages. (bsd3, library, records)
composite-binary library: Orphan binary instances. (bsd3, library, records)
composite-cassava library and test: Csv parsing functionality for composite. (composite, csv, library, mit)
composite-dhall library and test: Dhall instances for composite records. (composite, data, dhall, library, mit)
composite-ekg library: EKG Metrics for Vinyl records (bsd3, library, records)
composite-hashable library: Orphan hashable instances. (bsd3, library, records)
composite-ix library: Indexing utilities for composite records. (bsd3, library, web)
composite-lens-extra library: Extra lens functions for composite. (composite, data, lens, library, mit)
composite-opaleye library and test: Opaleye SQL for Vinyl records (bsd3, library, records)
composite-swagger library and test: Swagger for Vinyl records (bsd3, library, records)
composite-tuple library: Tuple functions for composite records. (composite, data-structures, library, mit)
composite-xml library and test: RecXML Type (composite, data, library, mit, xml)
composite-xstep library: ReaderT transformer pattern for higher kinded composite data. (data-structures, library, mit)
composition library: Combinators for unorthodox function composition (bsd3, data, library)
composition-extra library: Combinators for unorthodox structure composition (bsd3, data, library)
composition-prelude library: Higher-order function combinators (bsd3, control, data, library)
composition-tree library and test: Composition trees for arbitrary monoids. (bsd3, data, library)
compositional-data library, test and benchmark: Compositional Data Types (bsd3, data, deprecated, library)
compound-types library and benchmark: Sum and Product types and such (data, library, mit, type-system, types)
comprehensions-ghc library and test: Plugin to generalize comprehensions (bsd3, library, unclassified)
compressed library: Compressed containers and reducers (bsd3, compression, data, library, mapreduce)
compression library: Common compression algorithms. (codec, library)
compstrat library: Strategy combinators for compositional data types (bsd3, generics, language, library)
comptrans library: Automatically converting ASTs into compositional data types (bsd3, data, generics, library)
computational-algebra library, tests and benchmarks: Well-kinded computational algebra library, currently supporting Groebner basis. (bsd3, library, math)
computational-geometry library: Collection of algorithms in Computational Geometry. (bsd3, graphics, library, math)
computations library: Advanced notions of computation (bsd3, control, library)
conala-dataset library and test: bindings to the CoNaLa dataset (ai, bsd3, data, library, machine-learning, nlp)
concatenative library: A library for postfix control flow. (bsd3, control, library)
conceit library: Concurrent actions that may fail with a value. (bsd3, concurrency, library)
concise library and test: Utilities for Control.Lens.Cons (bsd3, data, lenses, library)
concoct library, program and test: A declarative UI framework (bsd3, library, program, user-interfaces)
concorde library: Simple interface to the Concorde solver for the Traveling Salesperson Problem (algorithms, bsd3, library)
concraft library: Morphological disambiguation based on constrained CRFs (bsd3, library, natural-language-processing)
concraft-hr library and program: Part-of-speech tagger for Croatian (bsd3, library, natural-language-processing, program)
concraft-pl library and program: Morphological tagger for Polish (bsd3, library, natural-language-processing, program)
concrete-haskell library, programs and tests: Library for the Concrete data format. (data, library, program)
concrete-haskell-autogen library: Automatically generated Thrift definitions for the Concrete data format. (data, library)
concrete-relaxng-parser program: A parser driven by a standard RELAX NG schema with concrete syntax extensions. (parsing, program, xml)
concrete-typerep library and test: Binary and Hashable instances for TypeRep (bsd3, data, library)
concur-core library: A client side web UI framework for Haskell. Core framework. (bsd3, library, web)
concurrency library: Typeclasses, functions, and data types for concurrency and STM. (concurrency, library, mit)
concurrency-benchmarks program and benchmark: Benchmarks to compare concurrency APIs (benchmark, mit, program)
concurrent-barrier library: Simple thread barriers (bsd3, concurrency, library)
concurrent-batch library: Concurrent batching queue based on STM with timeout. (bsd3, data, library)
concurrent-buffer library, test and benchmark: Concurrent expanding buffer (data, library, mit)
concurrent-dns-cache library, program and test: Concurrent DNS cache (bsd3, library, network, program)
concurrent-extra library and test: Extra concurrency primitives (bsd3, concurrency, library)
concurrent-hashtable library, test and benchmark: Thread-safe hash tables for multi-cores! (bsd3, concurrency, library)
concurrent-machines library, test and benchmark: Concurrent networked stream transducers (bsd3, concurrency, control, library)
concurrent-output library: Ungarble output from several threads or commands (bsd2, concurrency, library, user-interfaces)
concurrent-resource-map library and test: Concurrent resource map (bsd3, data, library)
concurrent-rpc library: An abstraction for inter-thread RPC based on MVars (concurrency, library, mit)
concurrent-sa library: Concurrent simulated annealing system. (algorithms, bsd3, concurrency, library)
concurrent-split library: MVars and Channels with distinguished input and output side (bsd3, concurrent, library)
concurrent-st library: Concurrent Haskell in ST (bsd3, library, software)
concurrent-state library: MTL-like library using TVars (control, library, mit)
concurrent-supply library: A fast concurrent unique identifier supply with a pure API (bsd3, concurrency, library, parallelism)
concurrent-utilities library: More utilities and broad-used datastructures for concurrency. (bsd3, concurrency, library)
concurrentoutput library: Ungarble output from several threads (bsd3, deprecated, library, user-interfaces)
cond library: Basic conditional and boolean operators with monadic variants. (bsd3, control, library, logic, monad)
conditional-restriction-parser library, program and test: Parser and interpreter of OpenStreetMap conditional restriction values (agpl, library, parser, program)
condor library, program and test: Information retrieval library (bsd3, deprecated, library, program, search, text)
condorcet library: Library for Condorcet voting (bsd3, data, library)
conductive-base library: a library for live coding and real-time musical applications (gpl, library, music, sound)
conductive-clock library: a library for displaying musical time in a terminal-based clock (gpl, library, music, sound)
conductive-hsc3 library: a library with examples of using Conductive with hsc3 (gpl, library, music, sound)
conductive-song library: a library of functions which are useful for composing music (gpl, library, music, sound)
conduino library: Lightweight composable continuation-based stream processors (bsd3, control, library)
conduit library, test and benchmarks: Streaming data processing library. (conduit, data, library, mit)
conduit-aeson library and tests: Short description (algorithms, bsd3, library)
conduit-algorithms library, test and benchmark: Conduit-based algorithms (conduit, library, mit)
conduit-audio library: Combinators to efficiently slice and dice audio streams (bsd3, library, sound)
conduit-audio-lame library: conduit-audio interface to the LAME MP3 library (bsd3, library, sound)
conduit-audio-samplerate library: conduit-audio interface to the libsamplerate resampling library (bsd3, library, sound)
conduit-audio-sndfile library: conduit-audio interface to the libsndfile audio file library (bsd3, library, sound)
conduit-combinators library: DEPRECATED Functionality merged into the conduit package itself (conduit, data, library, mit)
conduit-concurrent-map library and test: Concurrent, order-preserving mapping Conduit (conduit, data, library, mit)
conduit-connection library and test: Conduit source and sink for Network.Connection. (bsd3, conduit, library, network)
conduit-extra library, test and benchmark: Batteries included conduit: adapters for common libraries. (conduit, data, library, mit)
conduit-find library, program and test: A file-finding conduit that allows user control over traversals. (library, mit, program, system)
conduit-iconv library, test and benchmark: Conduit for character encoding conversion. (bsd3, conduit, library, text)
conduit-merge library: Merge multiple sorted conduits (bsd3, conduit, library)
conduit-network-stream library: A base layer for network protocols using Conduits (bsd3, library, network)
conduit-parse library and test: Parsing framework based on conduit. (conduit, library, public-domain, text)
conduit-resumablesink library and test: Allows conduit to resume sinks to feed multiple sources into it. (bsd3, conduit, data, library)
conduit-throttle library and test: Throttle Conduit Producers (bsd3, data, library)
conduit-tokenize-attoparsec library, program and test: Conduits for tokenizing streams. (bsd3, conduit, data, deprecated, library, program)
conduit-vfs library and test: Virtual file system for Conduit; disk, pure, and in-memory impls. (bsd3, conduit, filesystem, io, library)
conduit-vfs-zip library and test: Zip archive interface for the Conduit Virtual File System. (bsd3, compression, conduit, filesystem, io, library, zip)
conduit-zstd library and test: Conduit-based ZStd Compression (conduit, library, mit)
conf library and test: Parser for Haskell-based configuration files. (bsd3, configuration, library, parsing)
conf-json library and test: read, parse json config (configuration, json, library, public-domain)
confcrypt library, program and test: (library, mit, program, unclassified)
conferer library and test: Configuration management library (configuration, library, mpl)
conferer-aeson library and test: conferer's source for reading json files (configuration, library, mpl)
conferer-dhall library and test: Configuration for reading dhall files (configuration, library, mpl)
conferer-hedis library and test: conferer's FromConfig instances for hedis settings (configuration, library, mpl)
conferer-hspec library and test: conferer's FromConfig instances for hspec Config (configuration, library, mpl)
conferer-provider-dhall library and test: Configuration for reading dhall files (bsd3, configuration, deprecated, library)
conferer-provider-json library and test: conferer's provider for reading json files (bsd3, configuration, deprecated, library)
conferer-provider-yaml library and test: Configuration for reading yaml files (bsd3, configuration, deprecated, library)
conferer-snap library and test: conferer's FromConfig instances for snap Config (configuration, library, mpl)
conferer-source-dhall library and test: Configuration for reading dhall files (configuration, deprecated, library, mpl)
conferer-source-json library and test: conferer's source for reading json files (configuration, deprecated, library, mpl)
conferer-source-yaml library and test: Configuration for reading yaml files (configuration, deprecated, library, mpl)
conferer-warp library and test: conferer's FromConfig instances for warp settings (configuration, library, mpl)
conferer-yaml library and test: Configuration for reading yaml files (configuration, library, mpl)
confetti library, program and test: A simple config file swapping tool (command-line-tools, library, mit, program)
conffmt program: A .conf file formatter (data, mit, program)
confide library and test: derive typeclass instances for decoding types from HOCON conf (bsd3, data, library)
config-ini library and tests: A library for simple INI-based configuration files. (bsd3, configuration, library)
config-manager library and test: Configuration management (configuration, data, gpl, library)
config-parser library and test: Parse config files using parsec and generate parse errors on unhandled keys (library, mit, text)
config-schema library and test: Schema definitions for the config-value package (language, library)
config-select program: A small program for swapping out dot files. (gpl, program, system)
config-value library and test: Simple, layout-based value language similar to YAML or JSON (language, library, mit)
config-value-getopt library: Interface between config-value and System.GetOpt (configuration, library, mit)
configifier library and test: parser for config files, shell variables, command line args. (agpl, configuration, data, library)
configuration library: Simple data type for application configuration. (bsd3, data, library)
configuration-tools library, program and tests: Tools for specifying and parsing configurations (configuration, console, library, mit, program)
configurator library and test: Configuration management (bsd3, configuration, data, library)
configurator-export library and test: Pretty printer and exporter for configurations from the "configurator" library. (bsd3, configuration, data, library)
configurator-ng library and test: The next generation of configuration management (bsd3, configuration, data, library)
configurator-pg library and test: Reduced parser for configurator-ng config files (bsd3, configuration, data, library)
conformance library: (library, mit, unclassified)
conformance-gen library and test: (library, mit, unclassified)
confsolve program: A command line tool for resolving conflicts of file synchronizers. (bsd3, program, utils)
conftrack library and test: Tracable multi-source config management (bsd3, configuration, library)
congruence-relation library: Decidable congruence relations for Haskell: up to you whether this is a joke (data, library, mit)
conic-graphs library: Vinyl-style extensible graphs. (bsd3, graphs, library, vinyl)
conjugateGradient library: Sparse matrix linear-equation solver (bsd3, library, math)
conjure library and program: A BitTorrent client (bsd3, library, network, program)
conkin library and tests: Tools for functors from Hask^k to Hask (control, library, public-domain)
conlogger library and program: A logger for a concurrent program. (concurrency, library, mit, program)
connection library: Simple and easy network connections API (bsd3, library, network)
connection-pool library: Connection pool built on top of resource-pool and streaming-commons. (bsd3, data, library, network)
connection-string library and test: A library for parsing connection strings. (bsd3, library, text)
connections library, program and test: Orders, Galois connections, and lattices. (bsd3, library, math, numerical, program)
consistent library and test: Eventually consistent STM transactions. (library, mit, system)
console-program library: Interpret the command line and a config file as commands and options (bsd3, console, library, system)
console-prompt library: console user prompts (deprecated, lgpl, library, system)
console-style library: Styled console text output using ANSI escape sequences. (deprecated, library, mit, monad, text, user-interfaces)
const library: Read-only mutable primitives (ffi, library)
const-math-ghc-plugin library and test: Compiler plugin for constant math elimination (bsd3, compiler-plugin, library)
constable library and test: A safe interface for Const summarization (bsd3, development, library)
constaparser library: Parse ByteStrings of a prescribed length. (bsd3, data, library)
constr-eq library: Equality by only Constructor (bsd3, generics, library)
constrained library: Generalization of standard Functor, Foldable, and Traversable classes (bsd2, data, library)
constrained-categories library: Constrained clones of the category-theory type classes, using ConstraintKinds. (control, gpl, library)
constrained-category library, test and benchmark: Constrained Categories (bsd3, library, unclassified)
constrained-dynamic library and test: Dynamic typing with retained constraints (data, library, mit)
constrained-generators library and test: Framework for generating constrained random data using a subset of first order logic (apache, library, unclassified)
constrained-monads library, test and benchmark: Typeclasses and instances for monads with constraints. (control, library, mit)
constrained-normal library: Normalised Deep Embeddings for Constrained Type-Class Instances (bsd3, control, library)
constrained-platform-instances library: Instances of standard platform types for 'constrained' package. (bsd2, data, library)
constrained-some library and test: Existential type that can be constrained (data, dependent-types, library, mit)
constraint library: Reified constraints (bsd3, constraint, deprecated, library)
constraint-classes library: Various typeclasses using ConstraintKinds (bsd3, library, unclassified)
constraint-manip library: Some conviencience type functions for manipulating constraints. (control, library, mit)
constraint-reflection library: Constraint reflection (bsd3, deprecated, library, unclassified)
constraint-tuples library: Partially applicable constraint tuples (bsd3, data, library)
constraints library and test: Constraint manipulation (bsd2, constraints, library)
constraints-deriving library and test: Manipulating constraints and deriving class instances programmatically. (bsd3, constraints, library)
constraints-emerge library and test: Defer instance lookups until runtime (constraints, library, mit)
constraints-extras library: Utility package for constraints (bsd3, constraints, library)
constrictor library: strict versions of many things in base (control, library, mit)
construct library and tests: Haskell version of the Construct library for easy specification of file formats (bsd3, data, library, parsing, serialization)
constructible library: Exact computation with constructible real numbers (bsd3, library, math)
constructive-algebra library: A library of constructive algebra. (algebra, bsd3, library, math)
consul-haskell library and test: A consul client for Haskell (bsd3, library, network)
consumers library and tests: Concurrent PostgreSQL data consumers (bsd3, concurrency, database, library)
consumers-metrics-prometheus library: Prometheus metrics for the consumers library (bsd3, concurrency, database, library)
container library: Containers abstraction and utilities. (apache, data, library)
container-builder library: Functions for building containers from a known number of elements (bsd3, library, web)
container-classes library: Generic classes for interacting with different container types (bsd3, data-structures, deprecated, library)
containers library: Assorted concrete container types (bsd3, data-structures, library)
containers-accelerate library and test: Hashing-based container types (accelerate, bsd3, data, library)
containers-benchmark program: Extensive benchmark suite for containers package. (benchmarking, bsd3, program)
containers-deepseq library: Provide orphan NFData instances for containers as needed. (deprecated) (bsd3, data, deprecated, library)
containers-good-graph library and test: Data.Graph, but it doesn't suck! (bsd3, data-structures, library)
containers-unicode-symbols library: Unicode alternatives for common functions and operators (bsd3, library, unclassified)
containers-verified library: Formally verified drop-in replacement of containers (data, library, mit)
content-store library and test: Store and retrieve data from an on-disk store (lgpl, library, system)
context library and test: Thread-indexed, nested contexts (data, library, mit)
context-free-art library, program and test: Generate art from context-free grammars (bsd3, graphics, library, program)
context-free-grammar library and test: Basic algorithms on context-free grammars (bsd3, language, library)
context-http-client library and test: Modify HTTP requests/responses using context (library, mit, web)
context-resource library and test: Thread-safe, pool-compatible resource provider (data, library, mit)
context-stack library: An abstraction of a stack and stack-based monadic context. (data, library, mit)
context-wai-middleware library and test: Add request-specific (or not!) context to your WAI applications (library, mit, web)
contiguous library, tests and benchmark: Unified interface for primitive arrays (array, bsd3, data, library, primitive)
contiguous-checked library: contiguous with bounds checks (bsd3, data, library)
contiguous-fft library: dft of contiguous memory structures (bsd3, data, library)
continue library: Monads with suspension and arbitrary-spot reentry (bsd3, control, library)
continued-fraction library, test and benchmark: Types and functions for working with continued fractions in Haskell (bsd3, library, math)
continued-fractions library and test: Continued fractions. (library, math, numerical, public-domain)
continuum library: (library, mit, unclassified)
continuum-client library: (library, mit, unclassified)
contra-tracer library and test: Arrow and contravariant tracers (apache, library, logging)
contra-tracers library: A logging library built on top of contra-tracer to make configuring and declaring multiple tracers easy (via generics). (contravariant, generics, library, logging, mpl)
contracheck-applicative library: Validation types/typeclass based on the contravariance. (bsd3, library, validation)
contravariant library: Contravariant functors (bsd3, control, data, library)
contravariant-extras library: Extras for the "contravariant" package (control, library, mit)
control library: Class of monad transformers which control operations can be lifted thru (bsd3, control, deprecated, library)
control-block library: Higher-order functions with their function arguments at the end, for channeling the full power of BlockArguments and LambdaCase . (bsd2, control, library)
control-bool library: Useful combinators for boolean expressions (bsd3, control, library)
control-dotdotdot library: Haskell operator `g ... f = \x1 .. xn -> g (f x1 .. xn)`. (bsd3, control, library)
control-dsl library and test: An alternative to monads in do-notation (bsd3, control, dsl, effect, general, io, language, library, mutable-state, polymorphism)
control-event library and tests: Event scheduling system. (bsd3, control, library)
control-invariants library: Invariants and contract monitoring (control, library, mit)
control-iso library: A typeclass for type isomorphisms (bsd3, control, library)
control-monad-attempt library: Monad transformer for attempt. (deprecated) (bsd3, data, deprecated, failure, library)
control-monad-exception library: Explicitly typed, checked exceptions with stack traces (control, failure, library, monads)
control-monad-exception-monadsfd library: Monads-fd instances for the EMT exceptions monad transformer (control, failure, library, monads, public-domain)
control-monad-exception-monadstf library: Monads-tf instances for the EMT exceptions monad transformer (control, failure, library, monads, public-domain)
control-monad-exception-mtl library: MTL instances for the EMT exceptions monad transformer (control, failure, library, monads, public-domain)
control-monad-failure library: A class for monads which can fail with an error. (deprecated) (control, deprecated, failure, library, monads, public-domain)
control-monad-failure-mtl library: A class for monads which can fail with an error for mtl 1 (deprecated) (control, deprecated, failure, library, monads, public-domain)
control-monad-free library: Free monads and monad transformers (control, library, monads, public-domain)
control-monad-loop library: Simple monad transformer for imperative-style loops (bsd3, control, library)
control-monad-omega library, test and benchmark: A breadth-first list monad. (control, library, public-domain)
control-monad-queue library: Reusable corecursive queues, via continuations. (bsd3, control, library)
control-timeout library: Timeout handling (bsd3, control, deprecated, library)
contstuff library: Fast, easy to use CPS-based monad transformers (bsd3, control, deprecated, library, monads)
contstuff-monads-tf library: ContStuff instances for monads-tf transformers (deprecated) (bsd3, control, deprecated, library, monads)
contstuff-transformers library: Deprecated interface between contstuff 0.7.0 and the transformers package (bsd3, control, deprecated, library, monads)
converge library: Limit operations for converging sequences (library, math, numerical, public-domain)
conversion library: Universal converter between values of different types (control, conversion, data, deprecated, library, mit)
conversion-bytestring library: "Conversion" instances for the "bytestring" library (control, conversion, data, library, mit)
conversion-case-insensitive library: "Conversion" instances for the "case-insensitive" library (control, conversion, data, library, mit)
conversion-text library: "Conversion" instances for the "text" library (control, conversion, data, library, mit)
conversions library and test: Injective explicit total and partial conversions (library, mit, unclassified)
convert library: Safe and unsafe data conversion utilities with strong type-level operation. checking. (apache, data, library)
convert-annotation library and program: Convert the annotation of a gene to another in a delimited file using a variety of different databases. (bioinformatics, gpl, library, program)
convert-units library, test and benchmark: Statically typed unit conversions (bsd3, data, library, math, numeric, physics)
convertible library and test: Typeclasses and instances for converting between types (bsd3, data, library)
convertible-ascii library: convertible instances for ascii (data, failure, library, public-domain)
convertible-text : Typeclasses and instances for converting between types (deprecated) (bsd3, data, deprecated, failure)
convex-schema-parser library, program and test: A type-safe client generator for Convex for both Rust and Python. (code-generation, development, library, mit, program, web)
convexHullNd library: Convex hull (geometry, gpl, library, math)
cookbook library: Tiered general-purpose libraries with domain-specific applications. (bsd3, development, library)
cookie library and test: HTTP cookie parsing and rendering (library, mit, web, yesod)
cookie-tray library and test: For serving cookies (apache, library, web)
cookies library: web cookies (bsd3, library, web)
cooklang-hs library, program and test: Parser for the Cook markup language (library, mit, parsing, program)
coordinate library and test: A representation of latitude and longitude (bsd3, development, library)
copilot library: A stream DSL for writing embedded C programs. (bsd3, embedded, language, library)
copilot-bluespec library: A compiler for Copilot targeting FPGAs. (bsd3, embedded, language, library)
copilot-c99 library and test: A compiler for Copilot targeting C99. (bsd3, embedded, language, library)
copilot-cbmc library: Copilot interface to a C model-checker. (bsd3, embedded, language, library)
copilot-core library and test: An intermediate representation for Copilot. (bsd3, embedded, language, library)
copilot-frp-sketch library: FRP sketch programming with Copilot (bsd3, embedded, language, library)
copilot-interpreter library and test: Interpreter for Copilot. (bsd3, embedded, language, library)
copilot-language library and test: A Haskell-embedded DSL for monitoring hard real-time distributed systems. (bsd3, embedded, language, library)
copilot-libraries library and test: Libraries for the Copilot language. (bsd3, embedded, language, library)
copilot-prettyprinter library: A prettyprinter of Copilot Specifications. (bsd3, embedded, language, library)
copilot-sbv library: A compiler for CoPilot targeting SBV. (bsd3, embedded, language, library)
copilot-theorem library and test: k-induction for Copilot. (bsd3, embedded, language, library)
copilot-verifier library, program and test: System for verifying the correctness of generated Copilot programs (bsd3, language, library, program)
copilot-visualizer library: Visualizer for Copilot. (bsd3, embedded, language, library)
copr library and test: Haskell interface to the Fedora Copr system (bsd3, fedora, library, web)
copr-api library: Copr API client libary (gpl, library, network)
coquina library, program and test: Yet another shell monad. (bsd3, library, program, shell)
core library: External core parser and pretty printer. (bsd3, language, library)
core-compiler library and program: compile your own mini functional language with Core (compiler, language, library, mit, program)
core-data library: Convenience wrappers around common data structures and encodings (library, mit, system)
core-effect-effectful library: Interoperability with the effectful effects system (library, mit, system)
core-haskell program: A subset of Haskell using in UCC for teaching purpose (bsd3, compilers-interpreters, language, program)
core-of-name library and program: Print the Core representation of a binding with a GHC plugin. (bsd3, development, library, program)
core-program library: Opinionated Haskell Interoperability (library, mit, system)
core-telemetry library: Advanced telemetry (library, mit, system)
core-text library: A rope type based on a finger tree over UTF-8 fragments (library, mit, system)
core-warn library and test: "Provide warnings for unexpected Core generation" (bsd3, library, warning)
core-webserver-servant library: Interoperability with Servant (library, mit, system)
core-webserver-warp library: Interoperability with Wai/Warp (library, mit, system)
corebot-bliki library and program: A bliki written using yesod. Uses pandoc to process files stored in git. (bsd3, library, program, yesod)
corecursive-main library, program and test: Write your main like it can call itself back. (bsd3, control, library, program)
corenlp-parser library: Launches CoreNLP and parses the JSON output (bsd3, library, natural-language-processing)
corenlp-types library and test: Types for interaction with CoreNLP (agpl, language, library)
cornea library and test: classy optical monadic state (lens, library)
cornelis library, program and test: (bsd3, library, program, unclassified)
coroutine-enumerator library: Bridge between the monad-coroutine and enumerator packages. (concurrency, deprecated, enumerator, library)
coroutine-iteratee library: Bridge between the monad-coroutine and iteratee packages. (concurrency, data, deprecated, library)
coroutine-object library: Object-oriented programming realization using coroutine (bsd3, control, library)
couch-hs library and program: A CouchDB view server for Haskell. (database, library, program, public-domain)
couch-simple library and test: A modern, lightweight, complete client for CouchDB (database, library, mit)
couchdb-conduit library and test: Couch DB client library using http-conduit and aeson (bsd3, conduit, database, library)
couchdb-enumerator library and test: Couch DB client library using http-enumerator and aeson (bsd3, database, library, web)
count library: Bijective mappings between values and possibly infinite prefixes of [0..] (bsd3, data, library)
countable library and test: Countable, Searchable, Finite, Empty classes (bsd3, data, library)
countable-inflections library and test: Countable Text Inflections (library, mit, text)
countdown-numbers-game program and test: Solve problems from the number round of the Countdown game show (bsd3, math, program)
counter library: An object frequency counter. (data, library, mit)
country library, test and benchmarks: Country data type and functions (bsd3, library, web)
country-codes library and test: ISO 3166 country codes and i18n names. (bsd3, data, library)
courier library, programs and test: A message-passing library for simplifying network applications (distributed-computing, library, message-oriented, mit, network, program)
court programs: Simple and flexible CI system (bsd3, development, program)
covariance library and test: Well-conditioned estimation of large-dimensional covariance matrices (gpl, library, math, statistics)
covenant library and tests: Standalone IR for Cardano scripts. (apache, covenant, library)
coverage library and test: Exhaustivity Checking Library (control, library, mit)
cow library and test: Cross-platform file copy-on-write (library, mit, system)
coya library: Coya monoids (bsd3, data, library, math)
cozo-hs library and test: Haskell bindings to the CozoDB C API (database, library, mpl)
cparsing library: A simple C++ parser with preprocessor features. C++ refactorings included. (bsd3, language, library)
cpio-conduit library and test: Conduit-based CPIO (apache, data, library)
cpkg library, program and test: Build tool for C (bsd3, c, dhall, library, package-management, packaging, program)
cplex-hs library: high-level CPLEX interface (bsd3, library, math)
cplusplus-th library and test: C++ Foreign Import Generation (bsd3, foreign, library)
cpmonad library and test: Competitive programming problemsetting toolchain (library, mit, tools)
cppfilt library, test and benchmark: Bindings for C++ demangling routines (bsd3, library, system)
cpphs library and program: A liberalised re-implementation of cpp, the C pre-processor. (development, library, program)
cprng-aes library and benchmark: Crypto Pseudo Random Number Generator using AES in counter mode. (bsd3, cryptography, deprecated, library)
cprng-aes-effect library: Run random effect using cprng-aes, a crypto pseudo number generator. (crypto, effect, library, mit)
cps-except library: ExceptT replacement in CPS style (bsd3, library, mtl, transformers)
cpsa programs: Symbolic cryptographic protocol analyzer (bsd3, cryptography, program)
cpu library: Cpu information and properties helpers. (bsd3, data, library)
cpu-features library, program and test: A library to detect CPU features (bsd3, library, program, system)
cpuid : Binding for the cpuid machine instruction on x86 compatible processors (foreign-binding, gpl)
cpuinfo library: Haskell Library for Checking CPU Information (library, mit, system)
cpuperf program: Modify the cpu frequency on OpenBSD systems (bsd3, program, system)
cpython library and test: Bindings for libpython (foreign, gpl, library)
cql library and test: Cassandra CQL binary protocol. (database, library)
cql-io library and test: Cassandra CQL client. (database, library, mpl)
cql-io-tinylog library: Tinylog integration for cql-io. (database, library)
cqrs library: Command-Query Responsibility Segregation (data, library, mit)
cqrs-core library: Command-Query Responsibility Segregation (data, library, mit)
cqrs-example program: Example for cqrs package (mit, program, web)
cqrs-memory library and test: Memory backend for the cqrs package. (data, library, mit)
cqrs-postgresql library and test: PostgreSQL backend for the cqrs package. (data, library, mit)
cqrs-sqlite3 library and test: SQLite3 backend for the cqrs package. (data, library, mit)
cqrs-test library: Command-Query Responsibility Segregation Test Support (data, library, mit)
cqrs-testkit library: Command-Query Responsibility Segregation Test Support (data, library, mit)
cqrs-types library: Command-Query Responsibility Segregation. Modules for the basic types. (data, library, mit)
cr program: Code review tool (control, gpl, network, program, system)
crack library: A haskell binding to cracklib (library, system)
crackNum program: Crack various integer and floating-point data formats (bsd3, program, tools)
cradle library and tests: A simpler process library (bsd3, library, system)
craft library and test: A UNIX configuration management library in Haskell (apache, library, unclassified)
craftwerk library: 2D graphics library with integrated TikZ output. (graphics, library, mit)
craftwerk-cairo library: Cairo backend for Craftwerk. (graphics, library, mit)
craftwerk-gtk library: Gtk UI for Craftwerk. (graphics, library, mit)
crawlchain library and tests: Simulation user crawl paths (bsd3, library, web)
craze library, program and tests: HTTP Racing Library (library, mit, program, web)
crc library, test and benchmark: Implements various Cyclic Redundancy Checks (CRC) (library, mit, web)
crc16 library: Calculate the crc16-ccitt. (bsd3, cryptography, library)
crc16-table library: Compute CRC16 checksums using a lookup table. (bsd3, library, text)
crc32c library, test and benchmark: crc32c (bsd3, ffi, library, raw)
crdt library: Conflict-free replicated data types (bsd3, distributed-systems, library)
crdt-event-fold library, test and benchmarks: Garbage collected event folding CRDT. (crdt, library, mit)
creatur library and test: Framework for artificial life experiments. (ai, bsd3, library)
credential-store library, program and test: Library to access secure credential storage providers (apache, desktop, library, program)
credentials library and test: Secure Credentials Storage and Distribution (aws, library, network, security)
credentials-cli program: Secure Credentials Administration (aws, console, network, program, security)
creditmonad library and program: Reasoning about amortized time complexity (bsd3, development, library, program)
crem library, programs and tests: Compositional representable executable machines (control, library, machines, mit, program, state-machines)
cretheus library: A clean aeson wrapper (bsd3, json, library)
crf-chain1 library: First-order, linear-chain conditional random fields (bsd3, library, math)
crf-chain1-constrained library: First-order, constrained, linear-chain conditional random fields (bsd3, library, math)
crf-chain2-generic library: Second-order, generic, constrained, linear conditional random fields (bsd3, library, math)
crf-chain2-tiers library: Second-order, tiered, constrained, linear conditional random fields (bsd3, library, natural-language-processing)
critbit library, test and benchmark: Crit-bit maps and sets (bsd3, data, library)
criterion library, program and tests: Robust, reliable performance measurement and analysis (benchmarking, bsd3, development, library, performance, program, testing)
criterion-cmp program: A simple tool for comparing in Criterion benchmark results (bsd3, development, program)
criterion-compare program: A simple tool for visualising differences in Criterion benchmark results (bsd3, development, program)
criterion-measurement library: Criterion measurement functionality and associated types (benchmarking, bsd3, development, library, performance, testing)
criterion-plus library and test: Enhancement of the "criterion" benchmarking library (benchmarking, deprecated, library, mit)
criterion-to-html program: Convert criterion output to HTML reports (bsd3, development, program)
criu-rpc library: CRIU RPC client. (criu, library, mit)
criu-rpc-types library: Criu RPC protocol buffer types. (criu, library, mit)
crjdt-haskell library and test: A Conflict-Free Replicated JSON Datatype for Haskell (bsd3, data, library)
crockford library and test: An implementation of Douglas Crockford's base32 encoding. (bsd3, codec, library)
crocodile program: An offline renderer supporting ray tracing and photon mapping (gpl, graphics, program)
cron library, test and benchmark: Cron datatypes and Attoparsec parser (library, mit, parsing, system, text)
cron-compat library and test: Cron datatypes and Attoparsec parser (deprecated, library, mit, parsing, system, text)
cronus library: Another bloated standard library (deprecated, library, mit, prelude)
cropty library and test: Encryption and decryption (crypto, cryptography, library, mit)
croque-mort program: Dead simple broken links checker on local HTML folders (data, program)
crucible library and tests: Crucible is a library for language-agnostic symbolic simulation (bsd3, language, library)
crucible-debug library, program and test: An interactive debugger for Crucible programs (bsd3, language, library, program)
crucible-llvm library and test: Support for translating and executing LLVM code in Crucible (bsd3, language, library)
crucible-symio library and test: An implementation of symbolic I/O primitives for Crucible (bsd3, language, library)
crucible-syntax library and test: A syntax for reading and writing Crucible control-flow graphs (bsd3, language, library)
cruncher-types library and test: Request and Response types for Eval.so's API (bsd3, deprecated, eval.so, library)
crunghc program: A runghc replacement with transparent caching (development, program, public-domain)
crux library: Simple top-level library for Crucible Simulation (bsd3, language, library)
crux-llvm library, programs and test: A verification tool for C programs. (bsd3, language, library, program)
crypt-sha512 library: Pure Haskell implelementation for GNU SHA512 crypt algorithm (bsd3, data, library)
crypto-api library: A generic interface for cryptographic operations (bsd3, cryptography, data, library)
crypto-api-tests library: A test framework and KATs for cryptographic operations. (bsd3, cryptography, data, library)
crypto-cipher-benchmarks library: Generic cryptography cipher benchmarks (bsd3, cryptography, library)
crypto-cipher-tests library and test: Generic cryptography cipher tests (bsd3, cryptography, library)
crypto-cipher-types library: Generic cryptography cipher types (bsd3, cryptography, library)
crypto-classical library and test: An educational tool for studying classical cryptography schemes. (bsd3, cryptography, library)
crypto-conduit library and test: Conduit interface for cryptographic operations (from crypto-api). (bsd3, conduit, cryptography, library)
crypto-enigma library, program and tests: An Enigma machine simulator with display. (bsd3, cryptography, education, library, program)
crypto-keys-ssh library: Like crypto-pubkey-openssh but not dependent on any specific crypto library (cryptography, library, mit)
crypto-multihash library, program and test: Multihash library on top of cryptonite crypto library (bsd3, cryptography, library, program)
crypto-numbers library, test and benchmark: Cryptographic numbers: functions and algorithms (bsd3, cryptography, library)
crypto-pubkey library, test and benchmark: Public Key cryptography (bsd3, cryptography, deprecated, library)
crypto-pubkey-openssh library and test: OpenSSH keys decoder/encoder (cryptography, library, mit, parsing)
crypto-pubkey-types library: Generic cryptography Public keys algorithm types (bsd3, cryptography, library)
crypto-random library: Simple cryptographic random related types (bsd3, cryptography, deprecated, library)
crypto-random-api library: Simple random generators API for cryptography related code (bsd3, cryptography, deprecated, library)
crypto-random-effect library: A random effect using crypto-random (crypto, effect, library, mit)
crypto-rng library: Cryptographic random number generator. (bsd3, crypto, library)
crypto-rng-effectful library and test: Adaptation of the crypto-rng library for the effectful ecosystem. (crypto, library, mit)
crypto-simple library and test: A simple high level encryption interface based on cryptonite (cryptography, library, mit)
crypto-sodium library and test: Easy-and-safe-to-use high-level cryptography based on Sodium (cryptography, library, mpl)
crypto-srp library and test: SRP authentication primitives (bsd3, cryptography, library)
crypto-token library and test: crypto tokens (bsd3, cryptography, library, network)
crypto-totp library: Provides generation and verification services for time-based one-time keys. (bsd3, cryptography, library)
cryptocipher library: Symmetrical block and stream ciphers. (bsd3, cryptography, library)
cryptocompare library and test: Haskell wrapper for the cryptocompare API (library, mit, web)
cryptoconditions library and test: Interledger Crypto-Conditions (bsd3, crypto, finance, library, network)
cryptohash library, test and benchmarks: collection of crypto hashes, fast, pure and practical (bsd3, cryptography, data, library)
cryptohash-conduit library: cryptohash conduit (bsd3, conduit, cryptography, library)
cryptohash-cryptoapi library: Crypto-api interfaces for cryptohash (bsd3, cryptography, library)
cryptohash-md5 library, test and benchmark: Fast, pure and practical MD5 implementation (bsd3, cryptography, data, library)
cryptohash-sha1 library, test and benchmark: Fast, pure and practical SHA-1 implementation (bsd3, cryptography, data, library)
cryptohash-sha256 library, test and benchmark: Fast, pure and practical SHA-256 implementation (bsd3, cryptography, data, library)
cryptohash-sha512 library, tests and benchmark: Fast, pure and practical SHA-512 implementation (bsd3, cryptography, data, library)
cryptoids library: Reversable and secure encoding of object ids as a bytestring (bsd3, cryptography, library)
cryptoids-class library: Typeclass-based interface to cryptoids (bsd3, library, web)
cryptoids-types library: Shared types for encrypting internal object identifiers before exposure (bsd3, library, web)
cryptol library, programs, test and benchmark: Cryptol: The Language of Cryptography (bsd3, language, library, program)
crypton library, test and benchmark: Cryptography Primitives sink (bsd3, cryptography, library)
crypton-asn1-encoding library and test: ASN.1 data (raw, BER or DER) readers and writers (bsd3, data, library)
crypton-asn1-parse library: A monadic parser combinator for a ASN.1 stream. (bsd3, data, library)
crypton-asn1-types library: ASN.1 types (bsd3, data, library)
crypton-box library and test: NaCl crypto/secret box implementations based on crypton primitives. (bsd3, cryptography, library)
crypton-conduit library and test: crypton conduit (bsd3, conduit, cryptography, library)
crypton-connection library: Simple and easy network connection API (bsd3, library, network)
crypton-pem library and test: Privacy Enhanced Mail (PEM) file format reader and writer. (bsd3, data, library)
crypton-pubkey-types library: Public keys algorithm types (bsd3, cryptography, library)
crypton-socks library: SOCKS Protocol Version 5 (bsd3, library, network)
crypton-x509 library and test: X509 reader and writer (bsd3, data, library)
crypton-x509-store library and test: X.509 collection accessing and storing methods (bsd3, data, library)
crypton-x509-system library: Handle per-operating-system X.509 accessors and storage (bsd3, data, library)
crypton-x509-util program: Utility for X509 certificate and chain (bsd3, data, program)
crypton-x509-validation library and test: X.509 Certificate and CRL validation (bsd3, data, library)
cryptonite test and benchmark: Cryptography Primitives sink (bsd3, cryptography, deprecated)
cryptonite-cd test and benchmark: Cryptography Primitives sink (bsd3, cryptography, deprecated)
cryptonite-conduit library and test: cryptonite conduit (bsd3, conduit, cryptography, library)
cryptonite-openssl test: Crypto stuff using OpenSSL cryptographic library (bsd3, cryptography)
cryptostore library and test: Serialization of cryptographic data types (bsd3, codec, cryptography, library)
cryptsy-api library: Bindings for Cryptsy cryptocurrency exchange API. (agpl, deprecated, library, web)
crystalfontz library: Control Crystalfontz LCD displays. (bsd3, hardware, library, system, user-interfaces)
csa library and test: Connection-set algebra (CSA) library (algebra, library)
cse-ghc-plugin library: Compiler plugin for common subexpression elimination (bsd3, compiler-plugin, library)
csg library, program, tests and benchmark: Analytical CSG (Constructive Solid Geometry) library (bsd3, graphics, library, program)
csound-catalog library: a gallery of Csound instruments. (bsd3, library, music)
csound-controllers library and test: MIDI controllers (bsd3, library, music)
csound-expression library and benchmark: library to make electronic music (bsd3, library, music, sound)
csound-expression-dynamic library: dynamic core for csound-expression library (bsd3, library, music, sound)
csound-expression-opcodes library: opcodes for the library csound-expression (bsd3, library, music, sound)
csound-expression-typed library: typed core for the library csound-expression (bsd3, library, music, sound)
csound-sampler library: A musical sampler based on Csound (bsd3, library, music)
csp library and test: Discrete constraint satisfaction problem (CSP) solver. (ai, constraints, control, failure, library, monads)
cspmchecker programs: A command line type checker for CSPM files. (bsd3, concurrency, program)
cspretty library: AST and pretty printer for CSPm (bsd3, language, library)
css library: Minimal monadic CSS DSL. (bsd3, deprecated, language, library)
css-class-bindings library and test: generates Haskell bindings for CSS classes (bsd3, css, html, library, miso, template-haskell)
css-easings library: Defining and manipulating css easing strings. (bsd3, library, web, webdevelopment)
css-parser library, program and test: pure CSS parser/printer (bsd3, library, program, web)
css-selectors library and test: Parsing, rendering and manipulating css selectors in Haskell. (bsd3, library, web)
css-simple library, test and benchmark: eDSL for CSS (gpl, library, web)
css-syntax library, test and benchmark: High-performance CSS tokenizer and serializer. (data, library, mit)
css-text library and test: CSS parser and renderer. (library, mit, web, yesod)
csv library: CSV loader and dumper (library, mit, text)
csv-conduit library and test: A flexible, fast, conduit-based CSV parser library for Haskell. (bsd3, conduit, csv, data, library, text)
csv-enumerator library: A flexible, fast, enumerator-based CSV parser library for Haskell. (bsd3, data, library)
csv-nptools programs: A collection of CSV tools (development, program, text, utils)
csv-sip library and test: extracts data from a CSV file (data, gpl, library)
csv-table library: Scripts for manipulating tables stored as CSV files (data, library, mit)
csv-to-qif program and test: A small program that will read csv files and create qif files (bsd3, console, program, text)
ctemplate library: Binding to the Google ctemplate library (bsd3, deprecated, library, text)
ctkl library: packaging of Manuel Chakravarty's CTK Light for Hackage (bsd3, library, text)
ctpl library and programs: A programming language for text modification. (gpl, library, program, text)
ctrie library, test and benchmarks: Non-blocking concurrent map (concurrency, data-structures, library, mit)
cube library and test: Cubic DSL for 3D printing (bsd3, language, library)
cubical program: Implementation of Univalence in Cubical Sets (dependent-types, mit, program)
cubicbezier library and test: Efficient manipulating of 2D cubic bezier curves. (bsd3, geometry, graphics, library, typography)
cubicspline library: Natural cubic spline interpolation. (algorithms, bsd3, library, math)
cublas library: FFI bindings to the CUDA BLAS library (bsd3, foreign, library)
cuboid program: 3D Yampa/GLUT Puzzle Game (game, mit, program)
cuckoo library, tests and benchmarks: Haskell Implementation of Cuckoo Filters (bsd3, data, library)
cuckoo-filter library, program and test: Pure and impure Cuckoo Filter (data, library, mit, program)
cuda library and program: FFI binding to the CUDA driver interface for programming NVIDIA GPUs (bsd3, foreign, library, program)
cudd library: Bindings to the CUDD binary decision diagrams library (bsd3, data, library)
cuddle library, program and test: CDDL Generator and test utilities (apache, codec, library, program)
cue-sheet library and test: Support for construction, rendering, and parsing of CUE sheets (audio, bsd3, library)
cufft library: Haskell bindings for the CUFFT library (bsd3, foreign, library)
curl library: Haskell binding to libcurl (bsd3, library, network)
curl-aeson library: Communicate with web services using JSON (bsd3, json, library, network, web)
curl-cookiejar library: Parsing and pretty-printing of cURL/wget cookie jars (library, mit, web)
curl-runnings library, program and test: A framework for declaratively writing curl based API tests (library, mit, program, testing)
curlhs library and test: bindings to libcurl, the multiprotocol file transfer library (library, network)
curly-expander library and tests: Curly braces (brackets) expanding (lgpl, library, text)
currencies library and test: Currencies representation, pretty printing and conversion (bsd3, data, library)
currency library: Types representing standard and non-standard currencies (data, library)
currency-codes library and test: ISO-4217 Currency Codes (data, library, mit)
currency-convert library: Typesafe currency conversion (bsd3, data, library)
current-locale library: Get the current system locale in System.Locale format (library, mit, system)
curry library: Curry types (bsd3, data, library)
curry-base library and test: Functions for manipulating Curry programs (bsd3, language, library)
curry-frontend library, program and test: Compile the functional logic language Curry to several intermediate formats (bsd3, language, library, program)
currycarbon library, program and test: A package for simple, fast radiocarbon calibration (archaeoinformatics, library, mit, program)
curryer library: A simple HTTP server framework (bsd3, library, web)
curryer-rpc library, programs, test and benchmark: Fast, Haskell RPC (library, program, rpc)
curryrs library, test and benchmark: Easy to use FFI Bridge for using Rust in Haskell (ffi, library)
cursedcsv program: Terminal tool for viewing tabular data (application, bsd3, program)
cursor library: Purely Functional Cursors (editor, library, mit)
cursor-brick library: (library, mit, unclassified)
cursor-fuzzy-time library: (library, mit, time)
cursor-fuzzy-time-gen library, test and benchmark: (library, mit, time)
cursor-gen library, test and benchmark: Generators for Purely Functional Cursors (cursor, library, mit)
curve25519 library and test: Fast implementations of the curve25519 elliptic curve primitives. (bsd3, library, math)
curves library: Library for drawing curve based images. (graphics, library, mit)
cusolver library: FFI bindings to CUDA Solver, a LAPACK-like library (bsd3, foreign, library)
cusparse library: FFI bindings to the CUDA Sparse BLAS library (bsd3, foreign, library)
custom-interpolation library and test: Customizable string interpolation quasiquoters (bsd3, interpolation, library, quasiquotes, text)
custom-prelude library: An enhanced prelude, serving as a foundation for my projects (control, library)
cut-the-crap library, program and test: Cuts out uninteresting parts of videos by detecting silences. (library, mit, program, video)
cutesetup program and test: Cute TUI for scaffolding nix devshells (apache, development, program, user-interfaces, utility)
cutter program: Cut files according to a position list (bsd3, console, program)
cv-combinators library and program: Functional Combinators for Computer Vision (ai, gpl, graphics, library, program)
cve library: simple and efficient cve datatype (bsd3, data, library)
cvss library and test: Common Vulnerability Scoring System. (bsd3, data, library)
cybus library, program and test: multi-dimensional arrays (bsd3, containers, data, library, program)
cyclotomic library and test: A subfield of the complex numbers for exact calculation. (gpl, library, math)
cypher library: Haskell bindings for the neo4j "cypher" query language (bsd3, database, library)
czipwith library and test: CZipWith class and deriving via TH (bsd3, data, library)
d-bus library, programs and test: Permissively licensed D-Bus client library (bsd3, desktop, library, network, program)
d10 library and tests: Digits 0-9 (data, library, mit)
d3d11binding library and programs: A raw binding for the directX 11 (graphics, library, mit, program)
d3js library: Declarative visualization on a web browser with DSL approach. (bsd3, graphics, library)
daemonize-doublefork library: Start background daemons by double-forking (gpl, library, web)
daemons library, programs and test: Daemons in Haskell made fun and easy (control, gpl, library, network, program, system)
dag library and test: Compile-time, type-safe directed acyclic graphs. (bsd3, library, unclassified)
dahdit library and test: Binary parsing and serialization with integrated size (bsd3, data, library)
dahdit-audio library and test: Audio file parsing/printing with dahdit (bsd3, library, unclassified)
dahdit-midi library and test: MIDI and OSC parsing/printing with dahdit (bsd3, library, unclassified)
dahdit-network library and test: Network protocol helpers for Dahdit (bsd3, library, unclassified)
dahdit-test library and test: Test utils for Dahdit serde (bsd3, library, unclassified)
daino library and program: daino is a static site generator (SSG) using shake and pandoc (development-web, library, program)
damnpacket library and test: Parsing dAmn messages (library, mit, network)
danecheck program: DANE SMTP validator (bsd3, network, program)
dani-optics-dot library and test: Use OverloadedRecordDot for nested optics access. (bsd3, data, lenses, library, optics)
dani-servant-lucid2 library and test: Servant support for lucid2 (bsd3, library, web)
dani-sqlite library and tests: SQLite client library. (bsd3, database, library)
danibot library and program: Basic Slack bot framework. (library, mit, network, program)
dao library, program and test: Dao is meta programming language with its own built-in interpreted language, designed with artificial intelligence applications in mind. (gpl, library, program, unclassified)
dap library and test: A debug adaptor protocol library (bsd3, debuggers, language, library)
dapi program: Prints a series of dates (bsd3, console, program)
darcs library and test: a distributed, interactive, smart revision control system (development, gpl, library)
darcs-benchmark program: Comparative benchmark suite for darcs. (bsd3, program, testing)
darcs-beta : a distributed, interactive, smart revision control system (deprecated, development)
darcs-buildpackage programs: Tools to help manage Debian packages with Darcs (program, system)
darcs-cabalized program: David's Advanced Version Control System (deprecated, development, program)
darcs-fastconvert program: Import/export git fast-import streams to/from darcs. (bsd3, development, program)
darcs-graph program: Generate graphs of darcs repository activity (bsd3, distribution, program)
darcs-monitor program: Darcs repository monitor (sends email) (distribution, program)
darcs-scripts library: Shell scripts for support of darcs workflow (bsd3, development, library)
darcs2dot program: Outputs dependencies of darcs patches in dot format. (bsd3, deprecated, development, program)
darcsden programs: Darcs repository UI and hosting/collaboration app (hub.darcs.net branch). (development, distribution, program, web)
darcswatch programs: Track application of Darcs patches (distribution, program)
darkplaces-demo library, program and benchmark: Utility and parser for DarkPlaces demo files (game, gpl, library, program)
darkplaces-rcon library and test: Darkplaces rcon client library (game, gpl, library)
darkplaces-rcon-util library, program and test: Darplaces rcon utility (game, gpl, library, program)
darkplaces-text library and test: Parser for darkplaces colorful text (game, gpl, library)
dash-haskell program: Convert package Haddock to Dash docsets (IDE docs) (documentation, lgpl, program)
data-accessor library: Utilities for accessing and manipulating fields of records (bsd3, data, library)
data-accessor-monadLib library: Accessor functions for monadLib's monads (data, library, monads)
data-accessor-monads-fd library: Use Accessor to access state in monads-fd State monad class (bsd3, data, library)
data-accessor-monads-tf library: Use Accessor to access state in monads-tf State monad type family (bsd3, data, library)
data-accessor-mtl library: Use Accessor to access state in mtl State monad class (bsd3, data, library)
data-accessor-template library: Utilities for accessing and manipulating fields of records (bsd3, data, library)
data-accessor-transformers library: Use Accessor to access state in transformers State monad (bsd3, data, library)
data-array-byte library and test: Compatibility layer for Data.Array.Byte (bsd3, compatibility, library)
data-as library: Simple extensible sum (data, library, mit)
data-ascii library: Type-safe, bytestring-based ASCII values (bsd3, data, deprecated, library)
data-aviary library: Combinator birds. (bsd3, combinators, library)
data-base library: Utilities for accessing and comparing types based on so called bases - representations with limited polymorphism. (apache, library, text)
data-basic library and test: A database library with a focus on ease of use, type safety and useful error messages (database, library, mit)
data-binary-ieee754 library: Parser/Serialiser for IEEE-754 floating-point values (data, deprecated, library, mit)
data-bword library and test: Extra operations on binary words of fixed length (bsd3, data, library)
data-carousel library: A rotating sequence data structure (data, library, mit)
data-category library: Category theory (bsd3, category-theory, library, math)
data-cell library: Generic cellular data representation library (bsd3, data, library)
data-check library and test: Library for checking and normalization of data (e.g. from web forms) (bsd3, data, deprecated, library, web)
data-checked library: Type-indexed runtime-checked properties (bsd3, data, library)
data-clist library and test: Simple functional ring type. (bsd3, data-structures, library)
data-combinator-gen library: Generate a special combinator from any data type. (data, library, mit)
data-compat library: Define Backwards Compatibility Schemes for Arbitrary Data (data, library, mit)
data-concurrent-queue library: A Library for directional queues (concurrency, library, mit)
data-construction library: Data construction abstractions including Constructor, Destructor, Maker, Destroyer, Producer and Consumer. (apache, library, text)
data-constructors library, test and benchmark: Generically compare data by their constructors (bsd3, data, library)
data-cycle library: a cyclic doubly linked list (bsd3, data, library)
data-debruijn library: Fast and safe implementation of common compiler machinery. (agpl, development, library)
data-default library and test: A class for types with a default value (bsd3, data, library)
data-default-class library: A class for types with a default value (compatibility shim) (bsd3, data, library)
data-default-extra library: A class for types with a default value. (bsd3, data, library)
data-default-generics library and test: A class for types with a default value (bsd3, data, library)
data-default-instances-base library: Default instances for types in base (bsd3, data, library)
data-default-instances-bytestring library: Default instances for (lazy and strict) ByteString, Builder and ShortByteString. (bsd3, data, library)
data-default-instances-case-insensitive library: Default instance for CI type from case-insensitive package. (bsd3, data, library)
data-default-instances-containers library: Default instances for types in containers (bsd3, data, library)
data-default-instances-dlist library: Default instances for types in dlist (bsd3, data, library)
data-default-instances-new-base library: Default instances for types in newer versions of base package. (bsd3, data, library)
data-default-instances-old-locale library: Default instances for types in old-locale (bsd3, data, library)
data-default-instances-text library: Default instances for (lazy and strict) Text and Text Builder. (bsd3, data, library)
data-default-instances-unordered-containers library: Default instances for unordered-containers. (bsd3, data, library)
data-default-instances-vector library: Default instances for types defined in vector package (bsd3, data, library)
data-dispersal library and test: Space-efficient and privacy-preserving data dispersal algorithms. (cryptography, data, lgpl, library)
data-diverse library, test and benchmark: Extensible records and polymorphic variants. (bsd3, data, library, records)
data-diverse-lens library and test: Isos & Lens for Data.Diverse.Many and Prisms for Data.Diverse.Which (bsd3, data, library, records)
data-dword library and test: Stick two binary words together to get a bigger one (bsd3, data, library)
data-easy library and test: Consistent set of utility functions for Maybe, Either, List and Monoids. (bsd3, data, library)
data-effects library and test: A basic framework for effect systems based on effects represented by GADTs. (control, effect, library, mpl)
data-effects-core library and test: A basic framework for effect systems based on effects represented by GADTs. (control, effect, library, mpl)
data-effects-th library and test: Template Haskell utilities for the data-effects library. (control, effect, library, mpl, template-haskell)
data-elevator library and test: Coerce between unlifted boxed and lifted types. (data, library, mit)
data-elf library: Executable and Linkable Format (ELF) data structures. (bsd3, data, library)
data-embed library and program: Embed files and other binary blobs inside executables without Template Haskell. (data, library, mit, program)
data-emoticons library: Combinator emoticons: data-aviary in the flavor of emoticons (bsd3, combinators, library)
data-endian library: Endian-sensitive data (bsd3, data, library)
data-extend-generic library and test: Extend Haskell data or newtype like in OOP languages (bsd3, data, library)
data-extra library: None (bsd3, deprecated, library, unclassified)
data-filepath library: A type safe file path data structure (bsd3, data, library)
data-files-gen library, program and test: Generate data-files Cabal file field from existing files (bsd3, library, program, tools)
data-filter library: Utilities for filtering (bsd2, data, library)
data-fin library: Finite totally ordered sets (bsd3, data, library)
data-fin-simple library and test: Simple integral finite set (bsd3, data, library)
data-findcycle library, test and benchmark: Find cycles in periodic functions (and lists) (data, library, mit)
data-fix library: Fixpoint data types (bsd3, data, library)
data-fix-cse library: Common subexpression elimination for the fixploint types. (bsd3, data, library)
data-flags library: A package for working with bit masks and flags in general. (bsd3, data, library)
data-flagset library: An efficient data type for sets of flags (data, library, mit)
data-foldapp library: Fold function applications. Framework for variadic functions. (bsd3, data, library)
data-forced library and test: Specify that lifted values were forced to WHNF or NF. (data, library, mit)
data-forest library and test: A simple multi-way tree data structure (apache, data-structures, library)
data-fresh library: Interface and functor transformers for fresh values (bsd3, control, library)
data-function-meld library: Map the arguments and return value of functions. (bsd3, data, library)
data-function-tacit library: Write functions in tacit (pointless) style using Applicative and De Bruijn index notation. (bsd3, data, library)
data-functor-logistic library: Updatable analogue of Distributive functors (bsd3, data-structures, library)
data-has library and benchmark: Simple extensible product (bsd3, data, library)
data-hash library and test: Combinators for building fast hashing functions. (bsd3, data, library)
data-index library and test: Extending the concept of indices for lists and other containers (bsd3, data, library)
data-interval library and test: Interval datatype, interval arithmetic and interval-based containers (bsd3, data, library, math)
data-inttrie library: A simple lazy, infinite trie from integers (bsd3, data, library)
data-ivar library: Write-once variables with concurrency support (bsd3, concurrency, data, library)
data-json-token library, program and test: Json Token datatype (bsd3, data, deprecated, json, library, program)
data-kiln library: Sculpt mutable recursive data with reference equality; bake it using a data kiln into an immutable lazy structure (bsd3, data, library)
data-layer library: Data layering utilities. Layer is a data-type which wrapps other one, but keeping additional information. If you want to access content of simple newtype object, use Lens.Wrapper instead. (apache, library, text)
data-layout library: Read/write arbitrary binary layouts to a "Data.Vector.Storable". (bsd3, data, library)
data-lens library: Used to be Haskell 98 Lenses (bsd3, comonads, control, library)
data-lens-fd library: Lenses (bsd3, comonads, control, library)
data-lens-ixset library and test: A Lens for IxSet (bsd3, comonads, control, data-structures, deprecated, library)
data-lens-light library: Simple lenses, minimum dependencies (data, lenses, library, mit)
data-lens-template library: Utilities for Data.Lens (bsd3, data, library)
data-list-sequences library: Utilities for working with sequences within lists. (data, gpl, library)
data-list-zigzag library: A list but with a balanced enumeration of Cartesian product. (bsd3, data, library)
data-map-multikey library: Data.Map with multiple, unique keys (data, library, mit)
data-memocombinators library: Combinators for building memo tables. (bsd3, data, library)
data-msgpack library, program, test and benchmark: A Haskell implementation of MessagePack (bsd3, data, deprecated, library, program)
data-msgpack-types library and test: A Haskell implementation of MessagePack. (bsd3, data, deprecated, library)
data-named library: Data types for named entities (bsd3, library, natural-language-processing)
data-nat library: data Nat = Zero | Succ Nat (bsd3, data, library, math)
data-object library: Represent hierachichal structures, called objects in JSON. (deprecated) (bsd3, data, deprecated, library)
data-object-json library: Serialize JSON data to/from Haskell using the data-object library. (deprecated) (bsd3, deprecated, library, text)
data-object-yaml library: Serialize data to and from Yaml files (deprecated) (bsd3, deprecated, library, web)
data-or library: A data type for non-exclusive disjunction. (bsd3, data, library)
data-ordlist library: Set and bag operations on ordered lists (bsd3, data, library, list)
data-partition library: A pure disjoint set (union find) data structure (bsd3, data, library)
data-pdf-fieldreader library and program: Read PDF form fields (data, library, mit, program)
data-pprint library: Prettyprint and compare Data values (bsd3, library, testing, text)
data-prometheus library and test: Prometheus metrics text format (bsd3, library, metrics)
data-quotientref library: Reference cells that need two independent indices to be accessed. (bsd3, data, library)
data-r-tree library and tests: R-Tree is a spatial data structure similar to Quadtrees or B-Trees. (data-structures, deprecated, library, mit)
data-ref library: Unify STRef and IORef in plain Haskell 98 (bsd3, data, library)
data-reify library and test: Reify a recursive data structure into an explicit graph. (bsd3, data, language, library, parsing, reflection)
data-reify-cse library: Common Sub-Expression Elimination for graphs generated by Data.Reify. (bsd3, data, language, library)
data-reify-gadt library, program and test: Data.Reify for GADTs (bsd3, data, library, program)
data-repr library: Alternative to Show data printing utility. (apache, library, text)
data-result library: Data types for returning results distinguishable by types. (apache, library, text)
data-rev library: A typeclass for reversing order of contents. (bsd3, data, library)
data-rope library: Ropes, an alternative to (Byte)Strings. (data, library)
data-rtuple library: Recursive tuple data structure. It is very usefull when implementing some lo-level operations, allowing to traverse different elements using Haskell's type classes. (apache, library, text)
data-serializer library and test: Common API for serialization libraries (bsd3, data, library)
data-size library: Profiling of data structures (library, mit, testing)
data-sketches library, test and benchmark: Stochastic streaming algorithms for approximate computation on large datasets. Includes KLL, HLL, Theta, Count-Min, and REQ sketches. (data, library)
data-sketches-core library and test: (bsd3, library, unclassified)
data-spacepart library: Deprecated. Now called "spacepart". Space partitioning data structures. (bsd3, data, deprecated, library)
data-standards library: A collection of standards representable by simple data types. (data, library, mpl)
data-stm32 library, programs and test: ARM SVD and CubeMX XML parser and pretty printer for STM32 family (bsd3, library, parsing, program)
data-store library, test and benchmark: Type safe, in-memory dictionary with multidimensional keys. (bsd3, data, library)
data-stringmap library: An efficient implementation of maps from strings to arbitrary values (data-structures, library, mit)
data-structure-inferrer program: Program that infers the fastest data structure available for your program (development, mit, program)
data-svd library, program and test: SVD (System view description) file handling (bsd3, embedded, library, program)
data-sword library and test: Shorter binary words (bsd3, data, library)
data-tensor library: Tensor and Group typeclasses (data, library, mit)
data-textual library and test: Human-friendly textual representations. (bsd3, data, library, text)
data-timeout library: 64-bit timeouts of nanosecond precision (bsd3, concurrency, data, library)
data-transform library: Functions to transform data structures. (bsd3, data, library)
data-tree-print library: Print Data instances as a nested tree (bsd3, library, pretty-printer)
data-treify library: Reify a recursive data structure into an explicit graph. (bsd3, data, language, library, parsing, reflection-)
data-type library: Basic type wrangling types and classes (bsd3, data, library, type-system)
data-util library: utilities for handle data (bsd3, data, development, library, utils)
data-validation library and test: A library for creating type safe validations. (apache, data, library)
data-variant library: A variant data type, useful for modeling dynamically-typed programming languages (bsd3, data, library)
data-vector-growable library and test: Dynamic growable resizable mutable generic vector (bsd3, data, data-structures, library)
database-id-class library: Class for types with a database id (bsd3, database, library)
database-id-groundhog library: HasId/Groundhog interop (bsd3, database, library)
database-migrate library: Database versioning and migration (experimental) (bsd3, database, library)
database-study library: Demonstrate how a database can be implemented the functional way (bsd3, database, library, monads)
datacrypto library: Encryption library (data, library, mit, security)
datadog library and test: Datadog client for Haskell. Supports both the HTTP API and StatsD. (library, mit, network)
datadog-tracing library, program and test: Datadog tracing client and mock agent. (bsd3, library, logging, program)
dataenc library: Data encoding library (bsd3, codec, deprecated, library)
datafix library, program, tests and benchmark: Fixing data-flow problems (compiler, library, program)
dataflow library, program and test: Generate Graphviz documents from a Haskell representation. (bsd3, code-generation, compiler, graphs, library, program)
dataflower library, test and benchmark: A Pure-Haskell Timely Dataflow System (bsd3, library, unclassified)
dataframe library, programs and benchmark: A fast, safe, and intuitive DataFrame library. (data, library, mit, program)
dataframe-arrow : Arrow C Data Interface foreign library for the dataframe Python bindings. (data, mit)
dataframe-core library: Core data structures for the dataframe library. (data, library, mit)
dataframe-csv library: CSV reader and writer for the dataframe ecosystem. (data, library, mit)
dataframe-csv-th library: CSV-file-based Template Haskell splices for the dataframe ecosystem. (data, library, mit)
dataframe-expr-serializer library: Serialize and deserialize dataframe expressions and pipelines. (data, library, mit)
dataframe-fastcsv library and test: SIMD-accelerated CSV reader for the dataframe library. (data, library, mit)
dataframe-hasktorch library and test: Converts between dataframes and hasktorch tensors (data, library, mit)
dataframe-huggingface library and test: Read Parquet datasets from HuggingFace into dataframes. (data, library, mit)
dataframe-json library: JSON reader and writer for the dataframe ecosystem. (data, library, mit)
dataframe-lazy library: Lazy query engine for the dataframe ecosystem. (data, library, mit)
dataframe-learn library and test: Interpretable, expression-returning machine learning for the dataframe ecosystem. (data, library, mit)
dataframe-operations library: Column operations, expression DSL, and statistics for the dataframe ecosystem. (data, library, mit)
dataframe-parquet library: Parquet reader and writer for the dataframe ecosystem. (data, library, mit)
dataframe-parquet-th library: Parquet-file-based Template Haskell splices for the dataframe ecosystem. (data, library, mit)
dataframe-parsing library, test and benchmark: Shared text/binary parsing helpers for the dataframe ecosystem. (data, library, mit)
dataframe-persistent library and test: Persistent database integration for the dataframe library (data, database, library, mit)
dataframe-th library: Record-based Template Haskell splices for the dataframe ecosystem. (data, library, mit)
dataframe-viz library: Visualisation/plotting helpers for the dataframe ecosystem. (data, library, mit)
datalog library, program and tests: An implementation of datalog in Haskell (bsd3, database, library, program)
datapacker program: Tool to help pack files into the minimum number of CDs/DVDs/etc (program, system)
datarobot library and test: Client for DataRobot API (bsd3, library, web)
datasets library, test and benchmark: Classical data sets for statistics and machine learning (data, data-mining, library, machine-learning, mit, statistics)
datastar-hs library, program and test: Haskell bindings for Datastar (hypermedia, library, mit, program, web)
datastar-hs-brotli library and test: Brotli compressor for datastar-hs (hypermedia, library, mit, web)
datastar-hs-zlib library and test: gzip and deflate compressors for datastar-hs (hypermedia, library, mit, web)
dataurl library and test: Handle data-urls (library, mit, web)
date-cache library: Date cacher (bsd3, library, system)
date-conversions library and test: Date conversions (data, date, library, mit)
dates library and test: Small library for parsing different dates formats. (bsd3, data, library)
datetime library and test: Utilities to make Data.Time.* easier to use (data, library)
datetime-sb library and test: Utilities to make Data.Time.* easier to use. (data, library)
dawdle library and program: Generates DDL suggestions based on a CSV file (database, library, mit, program)
dawg library: Directed acyclic word graphs (bsd3, data, data-structures, library)
dawg-ord library and test: Directed acyclic word graphs (bsd3, data, data-structures, library)
dawgdic library, test and benchmark: Generation and traversal of compressed directed acyclic dawg graphs (bsd3, data, library)
day-comonoid library: A comonoid w.r.t. Day (bsd3, comonads, data-structures, functors, library)
daytripper library and test: Helpers for round-trip tests (bsd3, library, unclassified)
db-pipe library: A pipe-like wrapper around sqlite-simple (bsd3, database, library)
dbcleaner library and test: Clean database tables automatically around hspec tests (database, library, mit)
dbf library: Read and write XBase ".dbf" files (database, library, public-domain)
dbjava library and program: Decompiler Bytecode Java (bsd3, jvm, library, program)
dbm program: A *simple* database migration tool. (bsd3, database, program)
dbmigrations library, program and test: An implementation of relational database "migrations" (bsd3, database, deprecated, library, program)
dbmigrations-mysql library, program and test: The dbmigrations tool built for MySQL databases (bsd3, database, library, program)
dbmigrations-postgresql program and test: The dbmigrations tool built for PostgreSQL databases (bsd3, database, program)
dbmigrations-sqlite program and test: The dbmigrations tool built for SQLite databases (bsd3, database, program)
dbmonitor library and program: Data consistency alerting for PostgreSQL (bsd3, database, library, monitoring, program)
dbus library and test: A client library for the D-Bus IPC system. (apache, desktop, library, network)
dbus-app-launcher program: Simple app launcher for D-Bus (mit, program, system)
dbus-client library: Monadic and object-oriented interfaces to DBus (deprecated, desktop, gpl, library, network)
dbus-core library: Low-level D-Bus protocol implementation (deprecated, desktop, gpl, library, network)
dbus-hslogger library and program: Expose a dbus server to control hslogger (bsd3, library, program, system)
dbus-menu library: A Haskell implementation of the DBusMenu protocol (bsd3, library, system)
dbus-qq library and test: Quasi-quoter for DBus functions (bsd3, library, network)
dbus-th library: TemplateHaskell generator of DBus bindings (bsd3, library, network)
dbus-th-introspection library and program: Generate bindings for DBus calls by using DBus introspection and dbus-th (bsd3, development, library, program)
dclabel library, test and benchmark: This packge is deprecated. See the the "LIO.DCLabel" in the "lio" package. (bsd3, deprecated, library, security)
dclabel-eci11 library: The Disjunction Category Label Format. (bsd3, deprecated, library, security)
dcpu16 library, program and test: DCPU-16 Emulator & Assembler (bsd3, compilers-interpreters, library, program)
ddate library: Discordian Date Types for Haskell (data, gpl, library)
ddc-base library: Disciplined Disciple Compiler common utilities. (compilers-interpreters, deprecated, library, mit)
ddc-build library: Disciplined Disciple Compiler build framework. (compilers-interpreters, deprecated, library, mit)
ddc-code library: Disciplined Disciple Compiler base libraries. (compilers-interpreters, deprecated, library, mit)
ddc-core library: Disciplined Disciple Compiler core language and type checker. (compilers-interpreters, deprecated, library, mit)
ddc-core-babel library: Disciplined Disciple Compiler PHP code generator. (compilers-interpreters, deprecated, library, mit)
ddc-core-eval library: Disciplined Disciple Compiler semantic evaluator for the core language. (compilers-interpreters, deprecated, library, mit)
ddc-core-flow library: Disciplined Disciple Compiler data flow compiler. (compilers-interpreters, deprecated, library, mit)
ddc-core-llvm library: Disciplined Disciple Compiler LLVM code generator. (compilers-interpreters, deprecated, library, mit)
ddc-core-salt library: Disciplined Disciple Compiler C code generator. (compilers-interpreters, deprecated, library, mit)
ddc-core-simpl library: Disciplined Disciple Compiler code transformations. (compilers-interpreters, deprecated, library, mit)
ddc-core-tetra library: Disciplined Disciple Compiler intermediate language. (compilers-interpreters, deprecated, library, mit)
ddc-driver library: Disciplined Disciple Compiler top-level driver. (compilers-interpreters, deprecated, library, mit)
ddc-interface library: Disciplined Disciple Compiler user interface support. (compilers-interpreters, deprecated, library, mit)
ddc-source-tetra library: Disciplined Disciple Compiler source language. (compilers-interpreters, deprecated, library, mit)
ddc-tools programs: Disciplined Disciple Compiler command line tools. (compilers-interpreters, deprecated, mit, program)
ddc-war program: Disciplined Disciple Compiler test driver and buildbot. (compilers-interpreters, deprecated, mit, program)
ddci-core program: Disciple Core language interactive interpreter. (compilers-interpreters, deprecated, mit, program)
dde library, programs, test and benchmark: Delay differential equations (bsd3, library, math, program)
dead-code-detection program and test: detect dead code in haskell projects (bsd3, development, program)
dead-simple-json library: Dead simple JSON parser, with some Template Haskell sugar. (json, library, mit)
dear-imgui library: Haskell bindings for Dear ImGui. (bsd3, graphics, library)
debian library, programs and test: Modules for working with the Debian package system (bsd3, debian, library, program)
debian-binary library and programs: Utilities to work with debian binary packages (deprecated, library, program, system)
debian-build library and program: Debian package build sequence tools (bsd3, debian, library, program)
debruijn library and test: de Bruijn indices and levels (bsd3, development, library)
debruijn-safe library: de Bruijn indices and levels (bsd3, development, library)
debug library, program and test: Simple trace-based debugger (bsd3, debugging, development, library, program)
debug-diff library: Display a colorized diff between two Haskell values (bsd3, debug, library)
debug-dump library: File-based debug output (bsd3, debug, library)
debug-me program: secure remote debugging (agpl, program, utility)
debug-pp program: A preprocessor for the debug package (bsd3, debugging, program)
debug-print library and tests: A structured alternative to Show (debug, library, mit)
debug-time library and test: Debug.Trace equivalent for timing computations (debug, library, mit)
debug-trace-file library and test: Like Debug.Trace but writing to files. (debug, library, mit)
debug-trace-var library: You do not have to write variable names twice in Debug.Trace (debug, library, mit)
debug-tracy library and program: More useful trace functions for investigating bugs (bsd3, development, library, program)
debuggable library and test: Utilities for making your applications more debuggable. (bsd3, development, library)
debugger-hs library and test: Write your GDB scripts in Haskell. (bsd3, debugging, library)
deburr library and test: Convert Unicode characters with burrs to their ASCII counterparts. (library, mit, text)
dec library: Decidable propositions. (bsd3, data, dependent-types, library)
decepticons library: The categorical dual of transformers. (bsd3, control, library)
decidable library: Combinators for manipulating dependently-typed predicates. (bsd3, dependent-types, library)
decimal-arithmetic library and tests: An implementation of the General Decimal Arithmetic Specification (bsd3, library, numeric)
decimal-literals library and test: Preprocessing decimal literals more or less as they are (instead of via fractions) (gpl, library, math)
decision-diagrams library and tests: Binary Decision Diagrams (BDD) and Zero-suppressed Binary Decision Diagrams (ZDD) (bsd3, data, data-structures, library, logic)
declarative library and test: DIY Markov Chains. (library, math, mit)
decode-utf8 program: Decode a UTF-8 byte stream on standard input (mit, program, text)
decoder-conduit library: Conduit for decoding ByteStrings using Data.Binary.Get (bsd3, conduit, library)
dedukti library and program: A type-checker for the λΠ-modulo calculus. (compilers-interpreters, library, program, theorem-provers)
deep-map library: Deeply-nested, multiple key type maps. (bsd3, data, library, statistics)
deep-transformations library and test: Deep natural and unnatural tree transformations, including attribute grammars (bsd3, control, generics, library)
deepcontrol library and tests: A library that provides deep-level programming style and(or) notation on Applicative and Monad (bsd3, control, library)
deepl library and program: Call DeepL to translate you files (bsd3, language, library, program, web)
deeplearning-hs library, program and test: Deep Learning in Haskell (library, math, mit, program)
deepseq library and test: Deep evaluation of data structures (bsd3, control, library)
deepseq-bounded library and test: Bounded deepseq, including support for generic deriving (bsd3, control, library)
deepseq-generics library and test: GHC.Generics-based Control.DeepSeq.rnf implementation (bsd3, control, deprecated, library)
deepseq-instances library: Candidate NFData Instances for Types in base (control, library, mit)
deepseq-magic library: Deep evaluation of data structures without NFData (control, library, public-domain)
deepseq-th library and test: Template Haskell based deriver for optimised NFData instances (bsd3, control, deprecated, library)
deepzoom library: A DeepZoom image slicer. Only known to work on 32bit Linux (bsd3, graphics, library)
defargs library: default arguments in haskell (bsd3, library, type-system)
defaultable-map library: Applicative maps (bsd3, library, unclassified)
deferred-folds library and test: Abstractions over deferred folds (fold, folding, library, mit)
definitive-base library: The base modules of the Definitive framework. (library, prelude)
definitive-filesystem library: A library that enable you to interact with the filesystem in a definitive way. (filesystem, library)
definitive-graphics library: A definitive package allowing you to open windows, read image files and render text to be displayed or saved (graphics, library)
definitive-parser library: A parser combinator library for the Definitive framework (library, parsers)
definitive-reactive library: A simple Reactive library. (library, reactive)
definitive-sound library: A definitive package to handle sound and play it back (library, unclassified)
defun library and test: Defunctionalization helpers (bsd3, data, library)
defun-bool library: Defunctionalization helpers: booleans (bsd3, data, library)
defun-core library: Defunctionalization helpers: core definitions (bsd3, data, library)
defun-sop library: Defunctionalization helpers: lists (bsd3, data, library)
deiko-config library: Small and typesafe configuration library. (bsd3, data, library)
dejafu library: A library for unit-testing concurrent programs. (concurrency, library, mit)
deka library: Decimal floating point arithmetic (bsd3, library, math)
deka-tests library, program and test: Tests for deka, decimal floating point arithmetic (bsd3, library, math, program)
delaunay library and test: Build a Delaunay triangulation of a set of points (bsd3, graphics, library)
delaunayNd library: Delaunay tessellation (geometry, gpl, library, math)
delay library and test: More useful and humain delaying functions (bsd3, concurrency, library, system)
delicious library: Accessing the del.icio.us APIs from Haskell (v2) (bsd3, library, web)
delimited-text library: Parse character delimited textual data (bsd3, data, library)
delimiter-separated library: Library for dealing with tab and/or comma (or other) separated files (bsd3, development, library)
delivery-status-notification library and test: Parse bounce messages per RFC3464, RFC3463 (bsd3, library, web)
delta library, programs and test: A library for detecting file changes (data, lgpl, library, program)
delta-h library and program: Online entropy-based model of lexical category acquisition. (bsd3, library, natural-language-processing, program)
delta-store library and test: Facilities for storing a Haskell value, using delta types. (apache, data-structures, library)
delta-types library and test: Delta types, also known as change actions. (apache, data-structures, library)
deltaq library, test and benchmark: Framework for ∆Q System Development (bsd3, deltaq, distributed-systems, library, probability)
delude library: Generalized the Prelude more functionally. (deprecated, distribution, library, mit)
demangler library, program and test: Demangler for C++ mangled names. (bsd3, development, library, program)
demarcate library and test: Demarcating transformed monad. (bsd3, control, deprecated, library)
denominate library and program: Functions supporting bulk file and directory name normalization. (bsd3, library, program, system)
dense library and test: Mutable and immutable dense multidimensional arrays (bsd3, data, library)
dense-int-set library and test: Dense int-set (data, library, mit)
dense-linear-algebra library and test: Simple and incomplete pure haskell implementation of linear algebra (bsd2, library, math, numeric, statistics)
dep-t library and tests: Dependency injection for records-of-functions. (bsd3, control, library)
dep-t-advice library, tests and benchmark: Giving good advice to functions in records-of-functions. (bsd3, control, library)
dep-t-dynamic library and tests: A dynamic environment for dependency injection. (bsd3, control, library)
dep-t-value library and test: Pair resources files with types within your program. (bsd3, control, library)
dependency library, test and benchmark: Dependency resolution for package management (bsd3, build, development, library)
dependent-enummap library and test: A generalisation of EnumMap to dependent types (bsd3, data, dependent-types, library)
dependent-hashmap library and test: Dependent hash maps (bsd3, data, library)
dependent-literals library: Library for dependent-literals-plugin (apache, constraints, library)
dependent-literals-plugin library and test: Dependent integer literals (apache, constraints, library)
dependent-map library: Dependent finite maps (partial dependent products) (bsd3, data, dependent-types, library)
dependent-monoidal-map library: Dependent map that uses semigroup mappend (bsd3, data, library)
dependent-state library: Control structure similar to Control.Monad.State, allowing multiple nested states, distinguishable by provided phantom types. (apache, data, library)
dependent-sum library: Dependent sum type (data, dependent-types, library, public-domain)
dependent-sum-aeson-orphans library: JSON instances for DSum, DMap, and Some (bsd3, json, library)
dependent-sum-template : Template Haskell code to generate instances of classes in some package (public-domain, unclassified)
depends program and test: A simple configuration management tool for Haskell (deprecated, distribution, mit, program)
dephd programs: Analyze quality of nucleotide sequences. (bioinformatics, program)
depq library and test: Double-ended priority queues (bsd3, data, data-mining, data-structures, library)
deptrack-core library: DepTrack Core types and model. (apache, graphs, library)
deptrack-devops library: DepTrack applied to DevOps. (apache, devops, library)
deptrack-dot library and test: Facilitate Graphviz representations of DepTrack dependencies. (apache, graphs, library)
deque library and test: Double-ended queues (data, library, mit)
dequeue library and test: A typeclass and an implementation for double-ended queues. (bsd3, data-structures, library)
derangement library: Find derangements of lists (library, unclassified)
derivation-trees library: Typeset Derivation Trees via MetaPost (graphics, library, math)
derive library and program: A program and library to derive instances for data types (bsd3, development, library, program)
derive-IG library: Macro to derive instances for Instant-Generics using Template Haskell (bsd3, data, generics, library)
derive-enumerable library: Generic instances for enumerating complex data types (data, generics, gpl, library)
derive-gadt library and programs: Instance deriving for (a subset of) GADTs. (bsd3, development, language, library, program)
derive-has-field library and test: Derive HasField instances with Template Haskell (library, mit, template-haskell)
derive-is-data-con library and test: This package generates data constructor predicate functions (bsd3, development, library)
derive-lifted-instances library: Derive class instances though various kinds of lifting (apache, data, development, generics, library)
derive-monoid library, program and test: derive Semigroup/Monoid/IsList (derive-monoid, derive-monoid-, library, mit, program)
derive-prim library and test: Derive Prim and PrimUnaligned (data, development, generics, gpl, library)
derive-storable library, test and benchmark: Derive Storable instances with GHC.Generics. (foreign, library, mit)
derive-storable-plugin library, test and benchmark: GHC core plugin supporting the derive-storable package. (foreign, library, mit)
derive-topdown library and test: Derive type class instances (bsd3, development, library)
derive-trie library: Automatic derivation of Trie implementations. (bsd3, data, library)
deriveJsonNoPrefix library and test: Derive ToJSON/FromJSON instances in a more prefix-friendly manner. (apache, data, library)
deriving-aeson library and test: Type driven generic aeson instance customisation (bsd3, generics, json, library)
deriving-compat library and test: Backports of GHC deriving extensions (bsd3, compatibility, library)
deriving-openapi3 library: DerivingVia for OpenAPI 3 (generics, json, library, mit, openapi)
deriving-show-simple library and test: Derive a Show instance without field selector names (bsd3, generics, library)
deriving-trans library: Derive instances for monad transformer stacks (bsd3, control, library)
deriving-via-fun library and test: Deriving via first-class functions (bsd3, development, library)
derivingvia-extras library: DerivingVia extras - Miscellaneous /via/ types. (bsd3, deriving, library, utils)
derp library: Derivative Parsing (bsd3, library, parsing)
derp-lib library: combinators based on parsing with derivatives (derp) package (bsd3, library, text)
derulo library, program and test: Parse and render JSON simply. (json, library, mit, program)
describe library and test: Combinators for describing binary data structures (bsd3, data, library)
descrilo library: Loads a list of items with fields (configuration, data, gpl, library, parser)
descript-lang library, program and test: Library, interpreter, and CLI for Descript programming language. (gpl, language, library, program)
descriptive library and test: Self-describing consumers/parsers; forms, cmd-line args, JSON, etc. (bsd3, library, parsing)
desert library, program and test: a simple build tool for OCaml projects (bsd3, language, library, program)
desktop-portal library and test: Desktop Portal. (desktop, flatpak, gui, library, mit, portal, xdg)
despair library: Despair (bsd3, control, library)
deterministic-game-engine library and test: Simple deterministic game engine (game-engine, library, mit)
detour-via-sci library and tests: JSON and CSV encoding for rationals as decimal point numbers. (csv, data, json, library, math, mpl, numeric)
detour-via-uom library and tests: JSON and CSV encoding for quantities. (csv, data, json, library, math, mpl, numeric, physics)
detrospector program: Markov chain text generator (bsd3, natural-language-processing, program, text)
deunicode program: Get rid of unicode (utf-8) symbols in Haskell sources (codec, mit, program)
devanagari-transliterations library and test: Conversion between Devanagari Unicode, Harvard-Kyoto, IAST and ISO15919. (bsd3, library, linguistics)
devforms library and program: A builder DSL for HTML survey forms with built-in server and storage (bsd3, library, program, web)
devil program: A small tool to make it easier to update program managed by Angel. (mit, program, system)
devtools library and test: Haskell development tool agregate (bsd3, library, testing)
dewdrop library: Find gadgets for return-oriented programming on x86 (bsd3, library, reverse-engineering, security)
df1 library and test: Type, render and parse the df1 hierarchical structured log format (bsd3, library, logging)
df1-html library and test: Render and parse df1 logs as HTML (bsd3, library, logging)
df1-wai library: Df1 log formatting for WAI requests and responses (bsd3, library, logging)
dfinity-radix-tree library, program and test: A generic data integrity layer. (blockchain, bsd3, database, dfinity, library, program)
dfrac library: A package for precise decimal arithmatic using rationals. (library, math, mit)
dfsbuild program: Build Debian From Scratch CD/DVD images (program, system)
dgim library and test: Implementation of DGIM algorithm (algorithms, data, library, mit)
dgs library: Haskell front-end for DGS' bot interface (bsd3, game, library, network, web)
dhall library, program, test and benchmarks: A configuration language guaranteed to terminate (bsd3, compiler, library, program)
dhall-bash library and program: Compile Dhall to Bash (bsd3, compiler, library, program)
dhall-check program: Check all dhall files in a project (bsd3, development, program)
dhall-csv library, programs and test: Convert bidirectionally between Dhall and CSV files. (bsd3, compiler, library, program)
dhall-docs library, program and tests: Generate HTML docs from a dhall package (bsd3, compiler, library, program)
dhall-fly library, program and test: Translate concourse config from Dhall to YAML (bsd3, concourse, dhall, json, library, program, yaml)
dhall-json library, programs and test: Convert between Dhall and JSON or YAML (bsd3, compiler, library, program)
dhall-lex library, test and benchmark: Lexer for the Dhall language (bsd3, dhall, language, lexers, library)
dhall-lsp-server library, program and tests: Language Server Protocol (LSP) server for Dhall (library, mit, program, unclassified)
dhall-nix : Dhall to Nix compiler (bsd3, compiler)
dhall-nixpkgs program: Convert Dhall projects to Nix packages (bsd3, nix, program)
dhall-openapi library and program: Convert an OpenAPI specification to a Dhall package (bsd3, compiler, library, program)
dhall-recursive-adt library and tests: Convert recursive ADTs from and to Dhall (dhall, library)
dhall-secret library, program and test: Encrypt Decrypt Dhall expressions (bsd3, data, library, program)
dhall-text program: Template text using Dhall (bsd3, compiler, deprecated, program)
dhall-text-shell library and program: Render dhall text with shell commands as function arguments (compiler, library, mit, program)
dhall-to-cabal library, programs and tests: Compile Dhall expressions to Cabal files (distribution, library, mit, program)
dhall-toml library, programs and tests: Convert between Dhall and TOML (bsd3, compiler, library, program)
dhall-yaml library, programs and test: Convert between Dhall and YAML (compiler, gpl, library, program)
dhcp-lease-parser library and test: Parse a DHCP lease file (bsd3, library, software)
dhrun library, program and test: Dhall/YAML configurable concurrent integration test executor. (library, mit, program, tools)
dhscanner-ast library and test: abstract syntax tree for multiple programming languages (gpl, library, parsing)
dhscanner-bitcode library and test: Intermediate language for static code analysis (gpl, library, sast)
dhscanner-kbapi library and program: query language api for dhscanner knowledge base (api, gpl, library, program)
dhscanner-kbgen library and test: knowledge base predicates for static code analysis (gpl, library, parsing)
di library: Typeful hierarchical structured logging using di, mtl and df1. (bsd3, library, logging)
di-core library and test: Typeful hierarchical structured logging without monad towers. (bsd3, library, logging)
di-df1 library and test: Write logs in the df1 format using the di logging framework (bsd3, library, logging)
di-handle library: IO support for file handles in di-core (bsd3, library, logging)
di-monad library: mtl flavoured typeful hierarchical structured logging for di-core. (bsd3, library, logging)
di-polysemy library: DI logger wrapped for Polysemy (library, logging, mit)
di-wai library: Di logging for WAI requests and responses (bsd3, library, logging)
dia-base library: An EDSL for teaching Haskell with diagrams - data types (bsd3, education, graphics, library)
dia-functions library: An EDSL for teaching Haskell with diagrams - functions (bsd3, education, graphics, library)
diagnose library and test: Beautiful error reporting done easily (bsd3, error-reporting, library)
diagnostician library and test: (language, library)
diagnostician-html library: (language, library)
diagnostician-terminal library: (language, library)
diagrams library: Embedded domain-specific language for declarative vector graphics (bsd3, graphics, library)
diagrams-boolean library: deprecated, part of diagrams-contrib since 1.4 (bsd3, graphics, library)
diagrams-braille library and program: Braille diagrams with plain text (bsd3, graphics, library, program)
diagrams-builder library: hint-based build service for the diagrams graphics EDSL. (bsd3, graphics, library)
diagrams-cairo library: Cairo backend for diagrams drawing EDSL (bsd3, graphics, library)
diagrams-canvas library: HTML5 canvas backend for diagrams drawing EDSL (bsd3, graphics, library)
diagrams-contrib library and test: Collection of user contributions to diagrams EDSL (bsd3, graphics, library)
diagrams-core library: Core libraries for diagrams EDSL (bsd3, graphics, library)
diagrams-gi-cairo library: Cairo backend for diagrams drawing EDSL (bsd3, graphics, library)
diagrams-graphviz library: Graph layout and drawing with GraphViz and diagrams (bsd3, graphics, library)
diagrams-gtk library: Backend for rendering diagrams directly to GTK windows (bsd3, graphics, library)
diagrams-haddock library, program and test: Preprocessor for embedding diagrams in Haddock documentation (bsd3, graphics, library, program)
diagrams-hsqml library: HsQML (Qt5) backend for Diagrams (bsd3, graphics, library)
diagrams-html5 library: HTML5 canvas backend for diagrams drawing EDSL (bsd3, deprecated, graphics, library)
diagrams-input library: Parse raster and SVG files for diagrams (bsd3, diagrams, graphics, library)
diagrams-lib library, test and benchmark: Embedded domain-specific language for declarative graphics (bsd3, graphics, library)
diagrams-pandoc library, program and test: A Pandoc filter to express diagrams inline using the Haskell EDSL _Diagrams_ (bsd3, library, program, text)
diagrams-pdf library: PDF backend for diagrams drawing EDSL (bsd3, graphics, library)
diagrams-pgf library: PGF backend for diagrams drawing EDSL. (bsd3, graphics, library)
diagrams-postscript library: Postscript backend for diagrams drawing EDSL (bsd3, graphics, library)
diagrams-qrcode library: Draw QR codes to SVG, PNG, PDF or PS files. (bsd3, graphics, library)
diagrams-rasterific library and tests: Rasterific backend for diagrams. (bsd3, graphics, library)
diagrams-reflex library: reflex backend for diagrams drawing EDSL. (bsd3, graphics, library)
diagrams-rubiks-cube library: Library for drawing the Rubik's Cube. (graphics, library, mit)
diagrams-solve library and test: Pure Haskell solver routines used by diagrams (bsd3, library, math)
diagrams-svg library: SVG backend for diagrams drawing EDSL. (bsd3, graphics, library)
diagrams-tikz library: TikZ backend for diagrams drawing EDSL (bsd3, graphics, library)
diagrams-wx library: Backend for rendering diagrams in wxWidgets (bsd3, graphics, library)
dialog library: Simple dialog-based user interfaces (bsd3, interaction, library)
dialogflow-fulfillment library and test: A Dialogflow Fulfillment library for Haskell. (api, bsd3, library)
dialogue library and program: I/O in Haskell Report 1.2 (bsd3, io, library, program)
dib library and program: A simple, forward build system. (development, library, mit, program)
dice library and program: Simplistic D&D style dice-rolling system. (game, library, program, public-domain)
dice-entropy-conduit library and test: Cryptographically secure n-sided dice via rejection sampling (cryptography, data, lgpl, library)
dice2tex program: Convert a Diceware wordlist into a printer-ready LaTeX file. (gpl, program, text)
dicom library: A library for reading and writing DICOM files in the Explicit VR Little Endian transfer syntax. (data, gpl, library, medical)
dictionaries library, program and test: Tools to handle StarDict dictionaries. (bsd3, library, program, text)
dictionary-sharing library: Sharing/memoization of class members (bsd3, development, library)
dictparser library, program and test: Parsec parsers for the DICT format produced by dictfmt -t (bsd3, language, library, program)
diet library and test: Discrete Interval Encoding Trees (bsd3, library, unclassified)
diff library: Diff and patch (bsd3, deprecated, library, unclassified)
diff-gestalt library and test: A diff algorithm based on recursive longest common substrings (library, none)
diff-loc library: Map file locations across diffs (data, library, mit)
diff-parse library and test: A parser for diff file formats (agpl, library, parsing)
diff3 library and test: Perform a 3-way difference of documents (bsd3, data, library)
diffarray library: DiffArray (bsd3, data-structures, library)
diffcabal program: Diff two .cabal files syntactically (bsd3, distribution, program)
diffdump programs: Tools for diffing stdout (bsd3, program, system)
difference-monoid library and tests: (library, mit, unclassified)
differential library and program: Finds out whether an entity comes from different distributions (statuses). (bioinformatics, gpl, library, program)
diffmap library: diff on maps (bsd3, data, deprecated, library)
difftodo library, programs and test: Generate todo lists from source code (development, library, program)
digamma library: A (deprecated) implementation of the digamma function (bsd3, deprecated, library, math)
digest library: CRC32 and Adler32 hashes for bytestrings (bsd2, cryptography, library)
digest-pure library and test: Pure hash functions for bytestrings (cryptography, library)
digest-sig library: Signature for digest (bsd3, cryptography, library)
digestive-bootstrap library: Speed up form designing using digestive functors and bootstrap (library, mit, web)
digestive-foundation-lucid library: Speed up form designing using digestive functors and foundation (library, mit, web)
digestive-functors library and test: A practical formlet library (bsd3, library, web)
digestive-functors-aeson library and test: Run digestive-functors forms against JSON (gpl, json, library, web)
digestive-functors-blaze library: Blaze frontend for the digestive-functors library (bsd3, library, web)
digestive-functors-happstack library: Happstack backend for the digestive-functors library (bsd3, library, web)
digestive-functors-heist library: Heist frontend for the digestive-functors library (bsd3, library, web)
digestive-functors-hsp library: HSP support for digestive-functors (bsd3, library, web)
digestive-functors-lucid library: Lucid frontend for the digestive-functors library (bsd3, library, web)
digestive-functors-scotty library: Scotty backend for the digestive-functors library (bsd3, library, web)
digestive-functors-snap library: Snap backend for the digestive-functors library (bsd3, library, web)
digit library and test: A data-type representing digits 0-9 and other combinations (bsd3, data, library)
digitalocean-kzs library and tests: digitalocean api for haskell (library, mit, web)
digits library and test: Converts integers to lists of digits and back. (bsd3, data, library)
digraph library and test: Directed Graphs (bsd3, data, library, mathematics)
dihaa program: ASCII based Diagram drawing in Haskell (Idea based on ditaa) (gpl, graphics, program)
dijkstra-simple library and test: A simpler Dijkstra shortest paths implementation (bsd3, dijkstra, graph, library)
dimensional library, test and benchmark: Statically checked physical dimensions (bsd3, library, math, physics)
dimensional-codata library: CODATA Recommended Physical Constants with Dimensional Types (bsd3, library, physics)
dimensional-tf library: Statically checked physical dimensions, implemented using type families. (bsd3, deprecated, library, math, physics)
dimensions library and test: Safe type-level dimensionality for multidimensional data. (bsd3, geometry, library, math)
dingo-core library: Dingo is a Rich Internet Application platform based on the Warp web server. (library, mit, web)
dingo-example program: Dingo Example (mit, program, web)
dingo-widgets library: Dingo Widgets (library, mit, web)
dino library and tests: A convenient tagless EDSL (bsd3, language, library)
diohsc program: Gemini client (browser, gpl, program)
diophantine library: A quadratic diophantine equation solving library. (gpl, library, math)
diplomacy library: Diplomacy board game (bsd3, games, library)
diplomacy-server program: Play Diplomacy over HTTP (bsd3, program, unclassified)
dir-traverse library and benchmarks: Simple directory traversal library (bsd3, directory, library, system)
direct-binary-files library: Serialization and deserialization monads for streams and ByteStrings. (bsd3, data, library)
direct-daemonize library: Library to switch to daemon mode using built-in OS facilities. (bsd3, library, system)
direct-fastcgi library: Native implementation of the FastCGI protocol. (bsd3, library, network)
direct-http library: Native webserver that acts as a library. (bsd3, library, network)
direct-murmur-hash library: An implementation of the MurmurHash3 algorithm (bsd3, data, library)
direct-plugins library: Lightweight replacement for Plugins, specific to GHC (bsd3, library, system)
direct-rocksdb library and test: Bindings to RocksDB. (bsd3, database, library)
direct-sqlite library and test: Low-level binding to SQLite3. Includes UTF8 and BLOB support. (bsd3, database, library)
directed-cubical library: Finite directed cubical complexes and associated algorithms (bsd3, library, math)
directory library and test: Platform-agnostic library for filesystem operations (bsd3, library, system)
directory-contents library, program and test: Recursively build, navigate, and operate on a tree of directory contents. (bsd3, library, program, system)
directory-layout library and tests: Directory layout DSL (bsd3, library, system, testing)
directory-listing-webpage-parser library: directory listing webpage parser (bsd3, library, text)
directory-ospath-streaming library and test: Stream directory entries in constant memory in vanilla IO (apache, file, library, streaming)
directory-tree library and test: A simple directory-like tree datatype, with useful IO functions (bsd3, data, library, system)
direm program: Deletes a directory and retains its contents in the parent directory (gpl, program, tool)
dirfiles library: (bsd3, data, library)
dirforest library: Typed directory forest (library, mit, unclassified)
dirichlet library and test: Multivariate Dirichlet distribution (bsd3, library, math)
dirstream library: Easily stream directory contents in constant memory (bsd3, library, pipes, system)
dirtree library and test: A small library for working with directories. (library, mit, system)
disassembler library: Disassembler for X86 & AMD64 machine code (bsd3, development, disassembler, library)
disco library, program and tests: Functional programming language for teaching discrete math. (bsd3, language, library, program)
discogs-haskell library and test: Client for Discogs REST API (library, mit, web)
discokitty library: DisCoCat implementation. (gpl, language, library)
discord-gateway library: An API wrapper for Discord in Haskell (library, mit, network)
discord-haskell library and programs: Write bots for Discord in Haskell (library, mit, network, program)
discord-haskell-voice library and programs: Voice support for discord-haskell. (discord, library, mit, network, program, udp)
discord-hs library: An API wrapper for Discord in Haskell (library, mit, network)
discord-register library and program: Discord verification bot (library, mpl, program, web)
discord-rest library: An API wrapper for Discord in Haskell (library, mit, network)
discord-types library: Type information for discord-hs (library, mit, network)
discordian-calendar library: library for handling Discordian calendar dates (bsd3, date, library)
discount library: Haskell bindings to the discount Markdown library. (library, mit, text)
discover-instances library and test: (bsd3, library, unclassified)
discrete library: replacement for enum (bsd3, data, library)
discrete-intervals library: Discrete Intervals (bsd3, data, library)
discrete-space-map library: A discrete space map. (bsd3, data, library)
discrimination library, test and benchmarks: Fast generic linear-time sorting, joins and container construction. (bsd3, data, library, sorting)
disjoint-containers library and tests: Disjoint containers (bsd3, library, web)
disjoint-set library and test: Persistent disjoint-sets, a.k.a union-find. (bsd3, data, library)
disjoint-set-stateful library and test: Monadic disjoint set (data, library, mit)
disjoint-sets-st library: Imperative ST/IO based disjoint set data structure. (bsd3, data-structures, library)
disk-bytes library and benchmark: On-disk storage, but referentially transparent (bsd3, library, memory)
disk-free-space library: Retrieve information about disk space usage (bsd3, filesystem, library, system)
diskhash library and test: Disk-based hash table (data, library, mit)
display library: Display things for humans to read (bsd3, library, text)
display-haskell-do library: A display API for HaskellDO (deprecated, ide, library)
disposable library: Allows storing different resource-releasing actions together. (bsd3, control, deprecated, library)
dist-upload library and program: Generate/Upload cabal package to Hackage. (distribution, gpl, library, program)
distance library: Useful distance datatype and functions (library, mit, web)
distance-of-time library and test: Generate readable distances between times. (library, mit, time)
distributed-closure library, program and test: Serializable closures for distributed programming. (bsd3, control, library, program)
distributed-fork library and test: Like 'forkIO', but uses remote machines instead of local threads. (bsd3, control, deprecated, library)
distributed-fork-aws-lambda library and test: AWS Lambda backend for distributed-fork. (bsd3, control, deprecated, library)
distributed-process library and benchmarks: Cloud Haskell: Erlang-style concurrency in Haskell (bsd3, control, library)
distributed-process-async library and test: Cloud Haskell Async API (bsd3, control, library)
distributed-process-azure library: Microsoft Azure backend for Cloud Haskell (bsd3, control-, library)
distributed-process-client-server library and tests: The Cloud Haskell Application Platform (bsd3, control, library)
distributed-process-ekg library: Collect node stats for EKG (bsd3, library, network, system)
distributed-process-execution library and tests: Execution Framework for The Cloud Haskell Application Platform (bsd3, control, library)
distributed-process-extras library and tests: Cloud Haskell Extras (bsd3, control, library)
distributed-process-fsm library and test: The Cloud Haskell implementation of Erlang/OTP gen_statem (bsd3, control, library)
distributed-process-lifted library and test: monad-control style typeclass and transformer instances for Process monad. (bsd3, cloud-haskell, control, library)
distributed-process-monad-control library: Orphan instances for MonadBase and MonadBaseControl. (bsd3, control, library)
distributed-process-p2p library and program: Peer-to-peer node discovery for Cloud Haskell (bsd3, library, network, program)
distributed-process-platform library and tests: The Cloud Haskell Application Platform (bsd3, control, deprecated, library)
distributed-process-registry library and test: Cloud Haskell Extended Process Registry (bsd3, control, library)
distributed-process-simplelocalnet library and test: Simple zero-configuration backend for Cloud Haskell (bsd3, control, library)
distributed-process-supervisor library and tests: Supervisors for The Cloud Haskell Application Platform (bsd3, control, library)
distributed-process-systest library: Cloud Haskell Test Support (bsd3, cloud-haskell, control, library)
distributed-process-task library and test: Task Framework for The Cloud Haskell Application Platform (bsd3, cloud-haskell, control, library)
distributed-process-tests library and tests: Tests and test support tools for distributed-process. (bsd3, cloud-haskell, control, library)
distributed-process-zookeeper library and test: A Zookeeper back-end for Cloud Haskell. (bsd3, cloud-haskell, control, library)
distributed-static library: Compositional, type-safe, polymorphic static values and closures (bsd3, control, library)
distribution library: Finite discrete probability distributions. (apache, library, math)
distribution-nixpkgs library and test: Types and functions to manipulate the Nixpkgs distribution (bsd3, distribution, library, nix)
distribution-opensuse library, program and test: Types, functions, and tools to manipulate the openSUSE distribution (bsd3, distribution, library, program)
distribution-plot library: Easily plot distributions from the distribution package.. (apache, library, math)
distributive library and test: Distributive functors -- Dual to Traversable (bsd3, data-structures, library)
distributors library and test: Unifying Parsers, Printers & Grammars (bsd3, library, optics, parsing, profunctors)
ditto library: ditto is a type-safe HTML form generation and validation library (bsd3, library, web)
ditto-lucid library: Add support for using lucid with Ditto (bsd3, library, web)
diversity library and program: Quantify the diversity of a population (bioinformatics, gpl, library, program)
dixi library, program and test: A wiki implemented with a firm theoretical foundation. (bsd3, library, program, web)
djembe library and test: Hit drums with haskell (library, mit, sound)
djinn program: Generate Haskell code from a type (bsd3, program, source-tools)
djinn-ghc library: Generate Haskell code from a type. Bridge from Djinn to GHC API. (bsd3, language, library)
djinn-lib library: Generate Haskell code from a type. Library extracted from djinn package. (bsd3, language, library)
djinn-th library: Generate executable Haskell code from a type (bsd3, language, library)
djot library, program, test and benchmark: Parser and renderer for djot light markup syntax. (library, mit, program, text)
dl-fedora program and test: Fedora image download tool (gpl, program, utility)
dlist library and test: Difference lists (bsd3, data, library)
dlist-instances library: Difference lists instances (bsd3, data, library)
dlist-nonempty library, test and benchmark: Non-empty difference lists (bsd3, data, library)
dmc library and test: cmd for common cases (command-line, library, public-domain, system)
dmcc library and program: AVAYA DMCC API bindings and WebSockets server for AVAYA (bsd3, library, network, program)
dmenu library: Complete bindings to the dmenu and dmenu2 command line tools. (bsd3, library, system)
dmenu-pkill program: dmenu script for killing applications. Sortable by process id or CPU/MEM usage. (bsd3, program, system)
dmenu-pmount program: Mounting and unmounting linux devices as user with dmenu and pmount. (bsd3, program, system)
dmenu-search program: dmenu script for searching the web with customizable search engines. (bsd3, program, system)
dnf-repo program and test: A dnf wrapper with fine control of enabled repos (gpl, program, utility)
dns library and tests: DNS library in Haskell (bsd3, library, network)
dns-patterns library and test: DNS name parsing and pattern matching utilities (bsd3, library, network)
dnsbase library, tests and benchmark: Stub DNS resolver with a typed RData model and value-based extension API (bsd3, library, network)
dnscache library and program: Caching DNS resolver library and mass DNS resolver utility (bsd3, library, network, program)
dnsrbl library: Asynchronous DNS RBL lookup (bsd3, library, network)
dnssd library: DNS service discovery bindings (bsd3, library, network)
do-list library, test and benchmark: Do notation for free (bsd3, data, library, list, syntax)
do-notation library and test: Generalize do-notation to work on monads and indexed monads simultaneously. (bsd3, language, library)
do-notation-dsl library and test: An alternative to monads (bsd3, control, deprecated, dsl, effect, general, io, language, library, mutable-state, polymorphism)
do-spaces library and test: DigitalOcean Spaces API bindings (bsd3, library, network)
dobutok library: Creates the time intervals for CLI changing messages on the screen. (cli, deprecated, library, mit)
dobutokO library: The library is intended to print updated messages on the terminal screen. (cli, library, mit)
dobutokO-effects library: A library to deal with SoX effects and possibilities (library, mit, music, sound, sox)
dobutokO-frequency library: Helps to create experimental music. Working with frequencies and types. (library, mit, sound, sox)
dobutokO-poetry library and program: Helps to order the 7 or less Ukrainian words to obtain somewhat suitable for poetry or music text (Ukrainian, game, language, library, mit, phonetic-languages, poetry, program, uniqueness)
dobutokO-poetry-general library: Helps to order the 7 or less words (first of all the Ukrainian ones) to obtain somewhat suitable for poetry or music text (game, language, library, mit)
dobutokO-poetry-general-languages library: Helps to order the 7 or less words to obtain somewhat suitable for poetry or music text (game, language, library, mit, uniqueness, uniquenessPeriods)
dobutokO2 library and program: Helps to create experimental music from a file (or its part) and a Ukrainian text. (Ukrainian, algorithmic-composition, language, library, mit, music, program, rhythm, sound, sox, timbre, tonality)
dobutokO3 library: Helps to create more complex experimental music from a file (especially timbre). (library, mit, music, rhythm, sound, sox, timbre)
dobutokO4 library: Helps to create experimental music. Uses SoX inside. (algorithmic-composition, library, mit, sound, sox)
doc-review program: Document review Web application, like http://book.realworldhaskell.org/ (bsd3, program, web)
doccheck program: Checks Haddock comments for pitfalls and version changes. (documentation, gpl, program)
docidx program: Generate an HTML index of installed Haskell packages and their documentation. (bsd3, documentation, program)
docker library and test: An API client for docker written in Haskell (bsd3, library, network)
docker-build-cacher library and program: Builds a docker image and caches all of its intermediate stages (bsd3, library, operations, program)
dockercook library, program and test: A build tool for multiple docker image layers (development, library, mit, program)
dockerfile library and test: A Haskell DSL for generating Dockerfiles (data, library, mit)
dockerfile-creator library and test: (bsd3, library, unclassified)
doclayout library, test and benchmark: A prettyprinting library for laying out text documents. (bsd3, library, text)
docopt library and test: A command-line interface parser that will make you smile (console, library, mit)
docrecords library and test: Vinyl-based records with hierarchical field names, default values and documentation (cli, data, json, library, mit, options, parsing, records)
docstrings library: Docstrings for documentation in the repl (documentation, library, mit)
doctemplates library, test and benchmark: Pandoc-style document templates (bsd3, library, text)
doctest library, program and test: Test interactive Haskell examples (library, mit, program, testing)
doctest-discover library, program and test: Easy way to run doctests via cabal (library, program, public-domain, testing)
doctest-discover-configurator library, program and test: Easy way to run doctests via cabal (no aeson dependency, uses configurator instead) (deprecated, library, program, public-domain, testing)
doctest-driver-gen library, program and test: Generate driver file for doctest's cabal integration (bsd3, library, program, testing)
doctest-exitcode-stdio library: Run doctest's in a Cabal.Test.exitcode-stdio environment (bsd3, library, testing)
doctest-extract program: Alternative doctest implementation that extracts comments to modules (bsd3, program, testing)
doctest-lib library: Parts of doctest exposed as library (library, mit, testing)
doctest-parallel library and tests: Test interactive Haskell examples (library, mit, testing)
doctest-prop library and test: Allow QuickCheck-style property testing within doctest. (deprecated, library, mit, testing)
docusign-base library: Low-level bindings to the DocuSign API (bsd3, business, library)
docusign-base-minimal library: Low-level bindings to the DocuSign API (only what is necessary for docusign-client) (bsd3, business, library)
docusign-client library: Client bindings for the DocuSign API (bsd3, business, library)
docusign-example program: DocuSign examples (bsd3, business, program)
docvim library, program and tests: Documentation generator for Vim plug-ins (development, library, mit, program)
doi library and program: Automatic Bibtex and fulltext of scientific articles (database, library, mit, program)
dojang library, program and test: A cross-platform dotfiles manager (configuration, gpl, library, program)
doldol library and test: Flag packer & handler for flaggable data (bsd3, data, library)
dollaridoos library: A newtype for monetary values (bsd3, finance, library)
dom-events library and test: DOM Events expressed as Haskell types (bsd3, library, web)
dom-lt library, test and benchmark: The Lengauer-Tarjan graph dominators algorithm. (algorithms, bsd3, graphs, library)
dom-parser library and test: Simple monadic DOM parser (library, mit, xml)
dom-selector library and test: DOM traversal by CSS selectors for xml-conduit package (bsd3, library, web)
domain library and tests: Codegen helping you define domain models (idl, library, mit)
domain-aeson library and test: Integration of domain with aeson (library, mit, unclassified)
domain-auth library: Domain authentication library (bsd3, library, network)
domain-cereal library and test: Integration of domain with cereal (library, mit, unclassified)
domain-core library: Low-level API of "domain" (idl, library, mit)
domain-optics library and test: Integration of domain with optics (library, mit, unclassified)
domaindriven library and test: Batteries included event sourcing and CQRS (bsd3, library, web)
domaindriven-core library and test: Batteries included event sourcing and CQRS (bsd3, library, web)
dominion library, program and test: A simulator for the board game Dominion. (bsd3, game, library, program, simulation)
domplate library: A simple templating library using HTML5 as its template language. (bsd3, library, text, web)
dormouse-client library and test: Simple, type-safe and testable HTTP client (bsd3, library, web)
dormouse-uri library and test: Library for type-safe representations of Uri/Urls (bsd3, library, web)
dot library: Datatypes and encoding for graphviz dot files (bsd3, data, graphics, graphs, library)
dot-linker library, program and test: Initial project template from stack (bsd3, library, program, util)
dot2graphml program: Converter from GraphViz .dot format to yEd GraphML (bsd3, graphics, program)
dotenv library, program and test: Loads environment variables from dotenv files (configuration, library, mit, program)
dotenv-micro library: Tiny dotenv library (bsd3, configuration, library)
dotfs library, program and test: Filesystem to manage and parse dotfiles (bsd3, library, program, system)
dotgen library: A simple interface for building .dot graph files. (bsd3, library, text)
dotnet-timespan library: .NET TimeSpan (bsd3, data, library)
dotparse library: dot language parsing and printing. (bsd3, graphics, library)
double-conversion library and test: Fast conversion between single and double precision floating point and text (bsd2, library, text)
double-extra library: Missing presentations for Double numbers (fixed, scientific etc.) (bsd3, library)
double-metaphone library: Haskell bindings to a C double-metaphone implementation. (data, library)
double-x-encoding library and test: Encoding scheme to encode any Unicode string with only [0-9a-zA-Z_] (ascii, codec, codecs, decoding, encoding, graphql, library, unicode)
doublezip library: Some special functions to work with lists (with zip). (data, library, mit)
doublify-toolkit library: Doublify API toolkit for Haskell (api, library, mit)
dove library: The Dove verification language. (bsd3, formal-methods, language, library)
dovetail library and test: A PureScript interpreter with a Haskell FFI. (bsd3, language, library)
dovetail-aeson library: Use Aeson from your Dovetail programs (bsd3, language, library)
dovin library, program and test: A proof assistant for Magic: The Gathering puzzles. (bsd3, games, library, program)
dow program: Dungeons of Wor (bsd3, frp, game, program, reactivity)
downhill library and test: Reverse mode automatic differentiation (library, math, mit)
download library and test: High-level file download based on URLs (bsd3, library, network)
download-curl library: High-level file download based on URLs (bsd3, library, network)
download-media-content program: Simple tool to download images from RSS feeds (e.g. Flickr, Picasa) (application, bsd3, program)
downloader library: A small, low-dependency library that provides turn-key file download over HTTP and HTTPS. (bsd3, file, library, network)
doxygen-parser library and test: Parse Doxygen XML output into a typed Haskell AST (bsd3, development, documentation, library, parsing)
dozenal library: A Haskell library for using Dozenal (Duodecimal - Base 12) numbers. (gpl, library, math)
dozens library: dozens api library (library, mit, web)
dpapi test: Windows DPAPI bindings (mpl, system)
dph-base library: Data Parallel Haskell common config and debugging functions. (bsd3, data-structures, library)
dph-examples programs: Data Parallel Haskell example programs. (bsd3, data-structures, program)
dph-lifted-base library: Data Parallel Haskell common definitions used by other dph-lifted packages. (bsd3, data-structures, library)
dph-lifted-copy library: Data Parallel Haskell lifted array combinators. (deprecated version) (bsd3, data-structures, library)
dph-lifted-vseg library: Data Parallel Haskell lifted array combinators. (bsd3, data-structures, library)
dph-par library: (deprecated) (bsd3, data-structures, library)
dph-prim-interface library: Data Parallel Haskell segmented arrays. (abstract interface) (bsd3, data-structures, library)
dph-prim-par library: Data Parallel Haskell segmented arrays. (production version) (bsd3, data-structures, library)
dph-prim-seq library: Data Parallel Haskell segmented arrays. (sequential implementation) (bsd3, data-structures, library)
dph-seq library: (deprecated) (bsd3, data-structures, library)
dpkg library and test: libdpkg bindings (debian, gpl, library)
dpor library: A generic implementation of dynamic partial-order reduction (DPOR) for testing arbitrary models of concurrency. (deprecated, library, mit, testing)
dprox program and test: a lightweight DNS proxy server, compatible with dnsmasq-china-list (bsd3, dns, program)
dr-cabal library and program: See README for more info (development, library, mpl, profiling, program)
drClickOn library: Monadic FRP (frp, library, public-domain)
dragen library and test: Automatic derivation of optimized QuickCheck random generators. (bsd3, library, testing)
drama library and programs: Actor library for Haskell (bsd3, concurrency, deprecated, library, program)
draw-poker library, programs and test: playing draw poker (bsd3, game, library, program)
drawille library: A port of asciimoo's drawille to haskell (gpl, library, system)
dresdner-verkehrsbetriebe library and program: Library and program for querying DVB (Dresdner Verkehrsbetriebe AG) (library, mit, network, program)
drifter library and test: Simple schema management for arbitrary databases. (database, library, mit)
drifter-postgresql library and test: PostgreSQL support for the drifter schema migration tool (database, library, mit)
drifter-sqlite library and test: SQLite support for the drifter schema migraiton tool (bsd3, database, library)
drinkery library: Boozy streaming library (bsd3, control, library)
driving-classes-plugin library and test: Deriving without spelling out "deriving" (development, library, mit)
drmaa library: A Haskell bindings to the DRMAA C library. (bsd3, language, library)
drone library and test: (library, mit, unclassified)
dropbox library, program and test: Dropbox API client (api, deprecated, library, mit, program)
dropbox-sdk library: A library to access the Dropbox HTTP API. (library, mit, network-apis)
dropsolve program: A command line tool for resolving dropbox conflicts. Deprecated! Please use confsolve. (bsd3, deprecated, program, utils)
drunken-bishop library: An implementation of the Drunken Bishop visual fingerprinting algorithm (bsd3, cryptography, library)
ds-kanren library and tests: A subset of the miniKanren language (language, library, mit)
dsc library and test: Helper functions for setting up Double Submit Cookie defense for forms (library, mit, web)
dsh-sql library and program: SQL backend for Database Supported Haskell (DSH) (bsd3, database, library, program)
dsmc library: DSMC library for rarefied gas dynamics (bsd3, library, physics)
dsmc-tools programs: DSMC toolkit for rarefied gas dynamics (bsd3, physics, program)
dson library: Haskell Doge Serialized Object Notation Parser (data, gpl, library)
dson-parsec library: DSON parser. (data, library, mit)
dsp library and test: Haskell Digital Signal Processing (gpl, library, math, sound)
dstring library: Difference strings (bsd3, data, library)
dsv library and test: DSV (delimiter-separated values) (csv, library, mit, pipes, text)
dtab library and program: Harmonix (Guitar Hero, Rock Band) DTA/DTB metadata library (bsd3, data, library, program)
dtd library: Parse and render DTD files (deprecated) (bsd3, deprecated, library, text)
dtd-text library: Parse and render XML DTDs (bsd3, data, library, parsing, text, xml)
dtd-types library: Basic types for representing XML DTDs (bsd3, data, library, text, xml)
dtrace library: Haskell interface to the DTrace system tracing utility (bsd3, library, system)
dtw library and test: (Fast) Dynamic Time Warping (algorithms, data-mining, library, machine-learning, mit)
dual library: Dual category (bsd3, deprecated, library, math)
dual-game program: Network multiplayer 2D shooting game (game, mit, program)
dual-tree library and test: Rose trees with cached and accumulating monoidal annotations (bsd3, data, library)
dualizer library and test: Automatically generate dual constructions (agpl, categories, library)
dublincore-xml-conduit library and test: XML streaming parser/renderer for the Dublin Core standard elements. (data, library, public-domain)
duckdb-ffi library and test: Haskell FFI bindings for DuckDB (database, library, mpl)
duckdb-haskell library and test: Haskell bindings for duckdb. (database, library, mit)
duckdb-simple library and tests: Haskell FFI bindings for DuckDB (database, library, mpl)
duckling library, programs and test: A Haskell library for parsing text into structured data. (bsd3, library, program, systems)
duet library, program and test: A tiny language, a subset of Haskell (with type classes) aimed at aiding teachers to teach Haskell (bsd3, library, program, unclassified)
dumb-cas library and test: A computer “algebra” system that knows nothing about algebra, at the core. (gpl, library, math)
dump library and test: Dumps the names and values of expressions to ease debugging. (development, library, mit, quasiquotes)
dump-core library: A plug-in for rendering GHC core (development, library)
dunai library, test and benchmark: Generalised reactive framework supporting classic, arrowized and monadic FRP. (bsd3, frp, library, reactivity)
dunai-core library: Generalised reactive framework supporting classic, arrowized and monadic FRP. (Core library fork.) (bsd3, frp, library, reactivity)
dunai-test library: Testing library for Dunai (bsd3, library, testing)
dunning-t-digest library and programs: Dunning t-digest for online quantile estimation (bsd3, data, library, program, statistics)
duoidal-transformers library and test: Extending the tranformers package with duoids (algebra, error-handling, library, transformers)
duoids library and test: Unifying parallel and sequential operations (algebra, error-handling, library)
duoids-hedgehog library and tests: Unifying parallel and sequential operations (algebra, error-handling, library, testing)
dupIO library and test: Duplicate any closure (bsd3, development, library)
duplo library, program and test: Frontend development build tool (deprecated, library, mit, program, web)
dura library: durable/atomic file system writes (from rio package) (bsd3, library, system)
duration library and tests: A tiny compile-time time utility library inspired by zeit/ms (bsd3, library, time)
dustme library, program and test: Initial project template from stack (bsd3, library, program, web)
dvault program: Dead simple password manager (mit, program, unclassified)
dvda library and test: Efficient automatic differentiation and code generation (bsd3, deprecated, library, math, numerical)
dvdread library: A monadic interface to libdvdread (gpl, library, system)
dvi-processing library: Read/write DVI and TFM file (graphics, library, public-domain, typography)
dvorak library and test: Dvorak encoding for Haskell. (bsd3, codec, library)
dvv library and test: Dotted Version Vectors (DVV) (data, library, mit)
dwarf library: Parser for DWARF debug format. (bsd3, data, library)
dwarf-el library: Parser for DWARF debug format. (bsd3, data, library)
dwarfadt library and programs: High-level wrapper around the dwarf library (bsd3, development, library, program)
dwergaz library and test: A minimal testing library (library, testing)
dx9base library: Backend for a binding to the Microsoft DirectX 9 API. (bsd3, graphics, library)
dx9d3d library: A binding to the Microsoft DirectX 9 API. (bsd3, graphics, library)
dx9d3dx library: A binding to the Microsoft DirectX 9 D3DX API. (bsd3, graphics, library)
dyckword library and test: A library for working with binary Dyck words. (bsd3, library, math)
dyepack library: Programatically identify space leaks in your program. (bsd3, library, unclassified)
dyna library and test: Minimal FRP library (bsd3, frp, library)
dyna-brick library and test: FRP for brick Terminal user interface library (bsd3, frp, library, tui)
dyna-gloss library and test: FRP for gloss graphics and animation library (bsd3, frp, graphics, library)
dyna-processing library and test: FRP library for processing-for-haskell package (bsd3, frp, graphics, library)
dynamic library: A dynamic type for Haskell (bsd3, development, library)
dynamic-array library: Minimum-overhead mutable dynamic arrays (data, library, mit)
dynamic-cabal library and tests: Access the functions from the Cabal library without depending on it (bsd3, distribution, library)
dynamic-graph library: Draw and update graphs in real time with OpenGL (bsd3, graphics, library)
dynamic-graphs library, test and benchmark: Dynamic graph algorithms (bsd3, data, library)
dynamic-linker-template library: Automatically derive dynamic linking methods from a data type. (bsd3, library, system)
dynamic-loader library: lightweight loader of GHC-based modules or packages (bsd3, library, system)
dynamic-mvector library: A wrapper around MVector that enables pushing, popping and extending. (bsd3, data, library)
dynamic-object library and tests: Object-oriented programming with duck typing and singleton classes. (bsd3, data, library)
dynamic-pipeline library, program and test: Library Type Safe implementation of Dynamic Pipeline Paradigm (DPP). (bsd3, data, data-flow, library, parallel, pipes, program, streaming, type-safe)
dynamic-plot library: Interactive diagram windows (gpl, graphics, library)
dynamic-pp library and test: A pretty-print library that employs a dynamic programming algorithm for optimal rendering. (bsd3, library, text)
dynamic-state library: Optionally serializable dynamic state keyed by type (data, gpl, library, yi)
dynamodb-simple library and test: Typesafe library for working with DynamoDB database (bsd3, database, library)
dynloader library and test: Dynamically runtime loading packages (bsd3, library, system)
dynobud library and tests: your dynamic optimization buddy (lgpl, library, science)
dyre library and test: Dynamic reconfiguration in Haskell (bsd3, configuration, development, library)
dywapitchtrack library: Bindings to the dywapitchtrack pitch tracking library (library, mit, sound)
dzen-dhall library, program and test: Configure dzen2 bars in Dhall language (bsd3, library, program, unclassified)
dzen-utils library: Utilities for creating inputs for dzen. (library, system)
e11y library and test: An event-oriented observability library (apache, library, observability)
e11y-otel library and test: OpenTelemetry-based rendering for e11y (apache, library, observability)
e9571-config-reader-haskell library and program: Automatically read config.json from the current directory (configuration, library, mit, program)
each library and test: Template Haskell library for writing monadic expressions more easily (bsd3, language, library)
eager-sockets library: Socket operations with timeouts (deprecated, library, network)
eap library: Extensible Authentication Protocol (EAP) (bsd3, library, network)
earclipper library, program and test: Ear Clipping Triangulation (graphics, library, mit, program)
earcut library: Binding to C++ earcut library. (library, math)
early library, program and test: Early return syntax in do-notation (GHC plugin) (bsd3, development, library, program)
ease library: Robert Penner's easing equations (bsd3, game, library, math)
easy-api library: Utility code for building HTTP API bindings more quickly. (library, mit, web)
easy-args library and test: Parses command line arguments (lgpl, library, utilities)
easy-bitcoin library: types and functions for bitcoin applications (bsd3, library, network)
easy-file library and test: Cross-platform File handling (bsd3, library, system)
easy-logger library and test: Logging made easy. (bsd3, library, logging)
easyjson library: Haskell JSON library with an emphasis on simplicity, minimal dependencies, and ease of use. (library, mit, text)
easyplot library: A tiny plotting library, utilizes gnuplot for plotting. (graphics, library, math, mit, plotting)
easyrender library: User-friendly creation of EPS, PostScript, and PDF files (gpl, graphics, library)
easytensor library, test and benchmarks: Pure, type-indexed haskell vector, matrix, and tensor library. (bsd3, geometry, library, math)
easytensor-vulkan library: Use easytensor with vulkan-api. (bsd3, geometry, graphics, library, math, opengl, vulkan)
easytest library and test: Simple, expressive testing library (library, mit, testing)
ebeats library: Time in ebeats (bsd3, library, time)
ebird-api library: A Haskell description of the eBird API (library, mit, web)
ebird-cli library and program: A command-line utility for interacting with the eBird API. (library, mit, program, web)
ebird-client library: Client functions for querying the eBird API. (library, mit, web)
ebml library, program and test: A pure EBML parser (bsd3, codec, library, program)
ebnf-bff library and program: Parser combinators & EBNF, BFFs! (ebnf, library, metalanguage, mit, parsing, program, text)
ec2-signature library and tests: The Amazon EC2 style signature calculator. (bsd3, library, network)
ec2-unikernel program: A handy tool for uploading unikernels to Amazon's EC2. (aws, bsd3, program, unikernel)
eccrypto library, test and benchmark: Elliptic Curve Cryptography for Haskell (bsd3, cryptography, library)
eccrypto-ed25519-bindings library: provides "ed25519" API using "eccrypto" (bsd3, cryptography, library)
ecdsa library: Basic ECDSA signing implementation (crypto, library)
ech-config library: Config for TLS Encrypted Client Hello (bsd3, library, network)
echo library: A cross-platform, cross-console way to handle echoing terminal input (bsd3, library, system)
ecma262 library and program: A ECMA-262 interpreter library (bsd2, language, library, program)
ecstasy library: A GHC.Generics based entity component system. (bsd3, game, library)
ecstatic library and program: Build "as static as possible" executable on Linux. (distribution, library, mit, program)
ecta library, program, test and benchmark: (bsd3, library, program, unclassified)
ecta-plugin library: Hole-Fit Synthesis using ECTAs (compiler-plugin, library, mit)
ecu programs: Tools for automotive ECU development. (bsd3, embedded, program, utils)
ed25519 benchmark: Ed25519 cryptographic signatures (cryptography, mit)
ed25519-donna library: Haskell bindings to ed25519-donna (Elliptical Curve Signature Scheme) (bsd3, cryptography, library)
eddie program: Command line file filtering with haskell (bsd3, cli-tool, program)
ede library, program and test: Templating language with similar syntax and features to Liquid or Jinja2. (library, mpl, program, template, text, web)
edenmodules library: Semi-explicit parallel programming library (bsd3, control, distributed-computing, eden, library, parallelism)
edenskel library: Semi-explicit parallel programming skeleton library (bsd3, control.parallel.eden, library)
edentv program: A Tool to Visualize Parallel Functional Program Executions (development, eden, gpl, profiling, program, trace)
edf library: EDF parsing library (bsd2, codec, library)
edge program: Top view space combat arcade game (game, gpl, program)
edges library and test: Tools for efficient immutable graphs (graphs, library, mit)
edis library: Statically typechecked client for Redis (database, library, mit)
edit library and test: A monad for rewriting things. (bsd3, data, library)
edit-distance library, test and benchmark: Levenshtein and restricted Damerau-Levenshtein edit distances (algorithms, bsd3, library)
edit-distance-linear library, test and benchmark: Efficient implementation of the Levenshtein edit distance in linear memory. (algorithms, bsd3, library)
edit-distance-vector library and test: Calculate edit distances and edit scripts between vectors. (algorithms, bsd3, data, data-structures, library)
edit-lenses library: Symmetric, stateful edit lenses (bsd3, data, library)
edit-lenses-demo program: Programs demoing the use of symmetric, stateful edit lenses (bsd3, data, program)
editable library: Interactive editors for Generics (bsd2, data, library)
editline library: Bindings to the editline library (libedit). (bsd3, library, user-interfaces)
editor-open library and programs: Open the user's $VISUAL or $EDITOR for text input. (apache, library, program, text)
editpipe program: Edit stdin using an editor before sending to stdout. (bsd3, editor, program)
edits library and test: show the differences between 2 pieces of Text using the Levenshtein distance (data, library, mit)
effable library: A data structure for emission plans (data, library, mit)
effect-handlers library, test and benchmark: A library for writing extensible algebraic effects and handlers. Similar to extensible-effects but with deep handlers. (control, library, mit)
effect-monad library: Embeds effect systems and program logics into Haskell using graded monads and parameterised monads (bsd3, control, library, monads)
effect-stack library: Reducing the pain of transformer stacks with duplicated effects (bsd3, control, library)
effectful library, test and benchmark: An easy to use, performant extensible effects library. (bsd3, control, library)
effectful-core library: An easy to use, performant extensible effects library. (bsd3, control, library)
effectful-opaleye library: effectful support for high-level PostgreSQL operations via Opaleye. (bsd3, database, library)
effectful-plugin library and test: A GHC plugin for improving disambiguation of effects. (bsd3, control, library)
effectful-poolboy library and test: Simple work queue for bounded concurrency (effectful wrapper) (data, library)
effectful-postgresql library: effectful support for mid-level PostgreSQL operations. (bsd3, database, library)
effectful-st library: `ST`-style mutation for `effectful`. (effectful, library)
effectful-th library and test: Template Haskell utilities for the effectful library. (bsd3, control, library)
effectful-tracing library, tests and benchmark: Tracing as a scoped effect, built on effectful, with OpenTelemetry interop. (bsd3, effect, library, observability, tracing)
effectful-zoo library and test: Effectful effects for testing (bsd3, development, library)
effective-aspects library and test: A monadic embedding of aspect oriented programming (aop, aspect-oriented-programming, language, library, monads)
effective-aspects-mzv library and test: A monadic embedding of aspect oriented programming, using "Monads, Zippers and Views" instead of mtl. (aop, aspect-oriented-programming, language, library, monads)
effects library: Computational Effects (bsd3, control, library, monads)
effects-parser library: Parser Effect for the Control.Effects Library (bsd3, control, library, monads)
effet library and test: An Effect System based on Type Classes (bsd3, control, library)
effin library: A Typeable-free implementation of extensible effects (bsd3, control, effect, library)
eflint library and programs: Simulation interpreter for FLINT policy descriptions (bsd3, language, library, program)
egison library, program, test and benchmark: Programming language with non-linear pattern-matching against non-free data (compilers-interpreters, library, mit, program)
egison-pattern-src library and test: Manipulating Egison patterns: abstract syntax, parser, and pretty-printer (bsd3, language, library, parser, pretty-printer)
egison-pattern-src-haskell-mode library and test: Parser and pretty printer for Egison pattern expressions in Haskell source code (bsd3, language, library, parser, pretty-printer)
egison-pattern-src-th-mode library and test: Parser and pretty printer for Egison pattern expressions to use with TH (bsd3, language, library, parser, pretty-printer, template-haskell)
egison-quote library: A quasi quotes for using Egison expression in Haskell code (language, library, mit)
egison-tutorial program: A tutorial program for the Egison programming language (compilers-interpreters, mit, program)
egyptian-fractions library: Egyptian fractions in Haskell (bsd3, library, math)
ehaskell program: like eruby, ehaskell is embedded haskell. (program, text)
ehlo library: Minimalistic SMTP client for Haskell (library, mit, network)
ehs library: Embedded haskell template using quasiquotes. (language, library, mit, template, text)
eibd-client-simple library: EIBd Client (automation, gpl, library)
eigen library and tests: Eigen C++ library (linear algebra: matrices, sparse matrices, vectors, numerical solvers). (algebra, algorithms, bsd3, data, library, math, numeric, statistics)
eigen-hhlo library, program and test: Dense linear algebra on HHLO (SVD, QR, eigenvalue, Cholesky, LU) (library, machine-learning, math, mit, numeric, program)
eio library and program: IO with Exceptions tracked on the type-level (exceptions, io, library, mpl, program, qualifieddo)
either library and test: Combinators for working with sums (bsd3, control, library, monads)
either-both library and test: Either or both (bsd3, data, deprecated, library)
either-list-functions library and test: Functions involving lists of Either (apache, data, library)
either-result library and tests: The simplest ‘MonadFail’ instance (apache, data, library)
either-semigroup library: Either with a stricter Semigroup instance (bsd2, data, library)
either-unwrap library: Functions for probing and unwrapping values inside of Either. (bsd3, data, deprecated, library)
eithers library: None (bsd3, deprecated, library, unclassified)
ejdb2-binding library and test: Binding to EJDB2 C library, an embedded JSON noSQL database (database, library, mit)
ekg library: Remote monitoring of processes (bsd3, library, network, system)
ekg-bosun library: Send ekg metrics to a Bosun instance (bsd3, library, system)
ekg-carbon library: An EKG backend to send statistics to Carbon (part of Graphite monitoring tools) (bsd3, library, unclassified)
ekg-cloudwatch library: An ekg backend for Amazon Cloudwatch (bsd3, library, web)
ekg-core library and benchmarks: Tracking of system metrics (bsd3, library, system)
ekg-elastic library: Push metrics to elastic (bsd3, deprecated, library, system)
ekg-elasticsearch library: Push metrics to elasticsearch (bsd3, library, system)
ekg-influxdb library: An EKG backend to send statistics to influxdb (bsd3, library, unclassified)
ekg-json library: JSON encoding of ekg metrics (bsd3, distribution, library)
ekg-log library: Push metrics to a log file. (bsd3, library, system)
ekg-prometheus-adapter library and test: Easily expose your EKG metrics to Prometheus (library, mit, web)
ekg-push library: Small framework to push metric deltas to a broadcast channel using the ekg-core library. (bsd3, library, system)
ekg-rrd library and test: Passes ekg statistics to rrdtool (bsd3, library, system)
ekg-statsd library: Push metrics to statsd (bsd3, library, system)
ekg-wai library: Remote monitoring of processes (bsd3, library, network, system)
elasticsearch-interchange library and test: Serialization of Elasticsearch requests and responses (bsd3, data, library)
elbow library: Find the elbow point. (gpl, library, math)
electrs-client library and test: Electrs client library for Haskell (bitcoin, bsd3, electrs, finance, library, network, payments)
electrum-mnemonic library and test: easy to remember mnemonic for a high-entropy value (gpl, library, natural-language-processing)
elenco-albero library and test: make tree from a list (library, public-domain, tree)
elerea library: A minimalistic FRP library (bsd3, frp, library, reactivity)
elerea-examples programs: Example applications for Elerea (bsd3, frp, program, reactivity)
elerea-sdl library: Elerea FRP wrapper for SDL (data, library)
elevator library: Immediately lifts to a desired level (bsd3, control, library)
elf library and test: An Elf parser (bsd3, data, library)
eliminators library and test: Dependently typed elimination functions using singletons (bsd3, dependent-types, library)
elision library and program: Arrows with holes. (bsd2, control, library, program)
elliptic-curve library, test and benchmark: Elliptic curve library (cryptography, library, mit)
elliptic-integrals library and test: Carlson Elliptic Integrals and Incomplete Elliptic Integrals (bsd3, library, math, numeric)
elm-bridge library and tests: Derive Elm types and Json code from Haskell types, using aeson's options (bsd3, compiler, language, library, web)
elm-build-lib library: Compile Elm code to JS within Haskell (bsd3, compiler, deprecated, language, library)
elm-compiler library, programs and test: Values to help with elm-package, elm-make, and elm-lang.org. (bsd3, compiler, deprecated, language, library, program)
elm-core-sources library: Source files for the Elm runtime and standard libraries (bsd3, compiler, language, library)
elm-export library and test: A library to generate Elm types from Haskell source. (library, web)
elm-export-persistent library: elm-export persistent entities (data, database, library, mit, web)
elm-get library and program: Tool for sharing and using Elm libraries (bsd3, deprecated, language, library, program)
elm-hybrid library and test: Combine Elm with Haskell for data based applications (bsd3, library, web)
elm-init program: Set up basic structure for an elm project (development, mit, program)
elm-make program: A build tool for Elm projects (bsd3, build-tool, deprecated, program)
elm-package library and program: Package manager for Elm libraries (bsd3, deprecated, language, library, program)
elm-reactor program: Interactive development tool for Elm programs (bsd3, compiler, deprecated, language, program)
elm-repl program and test: a REPL for Elm (bsd3, deprecated, program, tool)
elm-server program: Server for developing Elm projects (bsd3, compiler, deprecated, language, program)
elm-street library, programs and test: Crossing the road between Haskell and Elm (compiler, elm, language, library, mpl, program)
elm-syntax library and test: Elm syntax and pretty-printing (bsd3, compiler, elm, language, library)
elm-websocket library, programs and test: Generate ELM code from a Wai websocket application. (bsd3, library, program, web)
elm-yesod library: The Elm language Yesod compatibility module. (bsd3, library, web, yesod)
elm2nix library, program and test: Turn your Elm project into buildable Nix project (bsd3, library, program, unclassified)
elmental library, program and test: Generate Elm datatype definitions, encoders and decoders from Haskell datatypes. (bsd3, codegen, library, program)
elminator library and test: Generate ELM types/encoders/decoders from Haskell types. (bsd3, code-generation, elm, library)
elo library and test: Elo Rating Library (bsd3, library, web)
elocrypt library, program and tests: Generate easy-to-remember, hard-to-guess passwords (cryptography, library, program)
elsa library, program and test: A tiny language for understanding the lambda-calculus (language, library, mit, program)
elynx program: Validate and (optionally) redo ELynx analyses (bioinformatics, gpl, program)
elynx-markov library, test and benchmark: Simulate molecular sequences along trees (bioinformatics, gpl, library)
elynx-nexus library and test: Import and export Nexus files (bioinformatics, gpl, library)
elynx-seq library and test: Handle molecular sequences (bioinformatics, gpl, library)
elynx-tools library: Tools for ELynx (bioinformatics, gpl, library)
elynx-tree library, test and benchmark: Handle phylogenetic trees (bioinformatics, gpl, library)
ema library: Static site generator library with hot reload (agpl, library, web)
ema-extra library: Useful route types for Ema (agpl, library, web)
ema-generics library and test: Generic deriving for Ema routes (agpl, library, web)
emacs-keys library and tests: library to parse emacs style keybinding into the modifiers and the chars (library, parsing)
emacs-module library: Utilities to write Emacs dynamic modules (apache, foreign, foreign-binding, library)
email library: Sending eMail in Haskell made easy (bsd3, deprecated, library, network)
email-header library and test: Parsing and rendering of email and MIME headers (bsd3, library, network)
email-postmark library: A simple wrapper to send emails via the api of the service postmark (http://postmarkapp.com/) (bsd3, deprecated, email, library)
email-validate library and test: Email address validation (bsd3, library, text)
email-validate-json library: Aeson instances for email-validate (bsd3, library, web)
email-validator program: Perform basic syntax and deliverability checks on email addresses. (agpl, program, utils)
emailaddress library and test: Wrapper around email-validate library adding instances for common type classes. (bsd3, library, text)
emailparse library and test: An email parser that will parse everything (bsd3, library, network)
emanote library, program and test: Emanate a structured view of your plain-text notes (agpl, library, program, web)
embed-config library and test: Reasonable conventions for embedding YAML configuration with Template Haskell (bsd3, configuration, library)
embeddock library and program: Embed the values in scope in the haddock documentation of the module (bsd3, documentation, library, program)
embeddock-example library: Example of using embeddock. (bsd3, documentation, library)
embla library: execute actions periodically while avoiding drift (bsd3, library, utility)
embroidery library and program: support for embroidery formats in haskell (codec, gpl, library, program)
emd library, test and benchmark: Empirical Mode Decomposition and Hilbert-Huang Transform (bsd3, library, math)
emgm library and test: Extensible and Modular Generics for the Masses (bsd3, generics, library)
emhell library and programs: Embedded shell (bsd3, embedded, library, program)
emoji library and program: emoji utility (bsd3, library, program, unicode)
emojis library and test: Conversion between emoji characters and their names. (bsd3, library, text)
empty library: Ceci n'est pas une package (acme, bsd3, deprecated, library)
empty-monad library: A container that always has no values. (bsd3, data, library)
encapsule program: Run isolated toolbox containers with podman (apache, program, utility)
enchant library and test: Binding to the Enchant library (bsd3, language, library)
enclosed-exceptions library and test: Catching all exceptions from within an enclosed computation (control, library, mit)
encode-string library and test: Safe string conversion and encoding (data, library, mit, string, text)
encoding library and test: A library for various character encodings (bsd3, codec, library)
encoding-io library: Encoding-aware file I/O. (bsd3, data, library)
encryptable library and test: Typed encryption with persistent support (bsd3, cryptography, database, library, yesod)
end-of-exe library: A small library to deal with executable endings (library, mit, system)
endo library: Endomorphism utilities. (bsd3, data, library)
eng-stemmer library, program and test: An English language stemmer (Porter2) (bsd3, library, nlp, program, stemming)
engine-io library: A Haskell implementation of Engine.IO (bsd3, library, web)
engine-io-growler library: (library, mit, web)
engine-io-snap library: (bsd3, library, unclassified)
engine-io-wai library: An @engine-io@ @ServerAPI@ that is compatible with @Wai@ (bsd3, library, network)
engine-io-yesod library: (bsd3, library, network)
engineering-units library: A numeric type for managing and automating engineering units. (bsd3, data, library)
entangle library and program: An application (and library) to convert quipper circuits into Qpmc models. (library, mit, program, unclassified)
entropy library: A platform independent entropy source (bsd3, cryptography, data, library)
entwine library, tests and benchmark: entwine - Concurrency tools (bsd3, library, system)
enum-subset-generate library and test: Generate an ADT being a subset of another ADT, and the corresponding mappings. (bsd3, data, library)
enum-text library and test: A text rendering and parsing toolkit for enumerated types (bsd3, library, text)
enum-text-rio library and program: Making fmt available with rio (bsd3, control, library, program)
enum-types library: small enum types (bsd3, data, library)
enum-utf8 library: An experimental Utf8 parsing toolkit for enumerated types (bsd3, library, text)
enumerable library: A typeclass for enumerating all values a type (bsd3, data, library)
enumerate library and program: enumerate all the values in a finite type (automatically) (data, library, mit, program)
enumerate-function library, program, tests and benchmark: simple package for inverting functions and testing totality, via brute enumeration of the domain (bsd3, library, program, todo)
enumeration library and test: A practical API for building recursive enumeration procedures and enumerating datatypes. (bsd3, data, deprecated, library, serialization, test, testing)
enumerator library: Reliable, high-performance processing with left-fold enumerators (data, deprecated, enumerator, library, mit)
enumerator-fd library: Enumerator instances for monads-fd classes (enumerator, library, mit)
enumerator-tf library: Enumerator instances for monads-tf classes (enumerator, library, mit)
enumfun library: Finitely represented /total/ EnumMaps (bsd3, data, library)
enummapmap library, tests and benchmark: Map of maps using Enum types as keys (bsd3, data, data-structures, library)
enummaps library: Enum wrappers for IntMap and IntSet (bsd3, data-structures, library)
enummapset library and test: IntMap and IntSet with Enum keys/elements. (bsd3, data-structures, library)
enummapset-th library: TH-generated EnumSet/EnumMap wrappers around IntSet/IntMap. (bsd3, data, library)
enumset library: Sets of enumeration values represented by machine words (bsd3, data, foreign, library)
env-extra library and test: Safe helpers for accessing and modifying environment variables (library, mit, system)
env-guard library: Conditionally running IO actions based on environment variables. (environment, library, mit, system)
env-locale library: A (non-forking) interface to the current locale (library, system)
env-parser library: Pull configuration information from the ENV (library, mit, system)
envelope library and test: Defines generic 'Envelope' type to wrap reponses from a JSON API. (bsd3, library, web)
envparse library and test: Parse environment variables (bsd3, library, system)
envstatus library, program and test: Display efficiently the state of the local environment (development, library, mit, program)
envy library and test: An environmentally friendly way to deal with environment variables (bsd3, library, system)
envy-extensible library and tests: Provides FromEnv in envy instance for Record of extensible. (bsd3, data, library, record)
eo-phi-normalizer library, program and tests: Command line normalizer of 𝜑-calculus expressions. (bsd3, library, program, unclassified)
epanet-haskell library: Haskell binding for EPANET (algorithms, gpl, hydraulics, library)
epass library: Baisc, Erlang-like message passing supporting sockets. (bsd3, concurrency, library, network)
ephemeral library: See readme.md (bsd3, library, machine-learning)
ephemeral-pg library and test: Temporary PostgreSQL databases for testing (bsd3, database, library, testing)
epi-sim library and test: A library for simulating epidemics as birth-death processes. (library, mit, simulation)
epic library and program: Compiler for a simple functional language (bsd3, compilers-interpreters, library, program)
epoll library: epoll bindings (library, system)
eprocess library: Basic Erlang-like process support for Haskell (bsd3, concurrency, library)
epub library and program: EPUB E-Book construction support library (bsd3, deprecated, library, program, text)
epub-metadata library, program and test: Library for parsing epub document metadata (codec, library, program, text)
epub-tools programs and test: Command line utilities for working with epub files (application, console, program)
epubname program: Rename epub ebook files based on meta information (application, bsd3, console, deprecated, program)
eq library: Leibnizian equality (bsd3, library, type-system)
equal-files program: Shell command for finding equal files (console, program)
equational-reasoning library: Proof assistant for Haskell using DataKinds & PolyKinds (bsd3, library, math)
equational-reasoning-induction library: Proof assistant for Haskell using DataKinds & PolyKinds (bsd3, library, math)
equeue library and test: Application level triggered, and edge triggered event multiqueues. (bsd3, concurrency, library)
equivalence library and test: Maintaining an equivalence relation implemented as union-find using STT. (algorithms, bsd3, data, library)
erd program and test: An entity-relationship diagram generator from a plain text description. (database, development, program, public-domain)
erebos library and program: Decentralized messaging and synchronization (bsd3, library, network, program)
erebos-tester program: Test framework with virtual network using Linux namespaces (gpl, program, testing)
erf library: The error function, erf, and related functions. (bsd3, library, math)
erf-native library: Native Haskell implementation of the interface from the erf package (library, math)
erlang library: FFI interface to Erlang. (foreign, library)
erlang-ffi library and test: Send messages to an Erlang node using Haskell (foreign, library)
eros library: A text censorship library. (bsd3, library, text)
eros-client program: DEPRECATED in favor of eros-http (bsd3, program, text)
eros-http program: JSON HTTP interface to Eros. (bsd3, program, text)
erpnext-api-client library and test: Generic API client library for ERPNext (api, library, mit)
errata library, program and test: Source code error pretty printing (library, mit, pretty-printer, program)
errno library: a FFI utility (bsd3, foreign, library)
error library and test: The canonical error type (data, error-handling, library, mit)
error-analyze library and test: Parse ghc and cabal error messages and give their causes for easier resolution (bsd3, development, ghc, library)
error-codes library and test: Error code functions (bsd3, library, system)
error-context library and test: Provides API for enriching errors with contexts (bsd3, control, error-handling, library)
error-continuations library: Error Continuations (control, library, public-domain)
error-list library: A useful type for collecting error messages. (control, library, mit)
error-loc library: An error replacement with call-site metadata. (library, mit, utils)
error-location library: error functions that show file location information (bsd3, deprecated, development, library)
error-message library: Composable error messages. (bsd3, development, error-handling, library)
error-or library: Composable, hierarchical errors. (bsd3, data, library)
error-or-utils library: Utilities using ErrorOr datatype (bsd3, data, library, testing)
error-util library: Set of utils and operators for error handling (error-handling, library, mit)
errorcall-eq-instance library and test: An orphan Eq instance for ErrorCall (control, deprecated, library, mit)
errors library: Simplified error-handling (bsd3, control, error-handling, library)
errors-ext library and test: `bracket`-like functions for `ExceptT` over `IO` monad. (control, error-handling, library)
ersaconcat library, program and test: A script to concatenate AIP ERSA (aviation, bsd3, library, program)
ersatz library and tests: A monad for expressing SAT or QSAT problems using observable sharing. (algorithms, bsd3, library, logic)
ersatz-toysat library: toysat driver as backend for ersatz (algorithms, bsd3, library, logic)
ersatz-viz library and test: draw circuit (DAG) for Ersatz.Bit (gpl, library, unclassified)
ert library and program: Easy Runtime Templates (gpl, library, program, text)
esb-fireplace library and test: Easily build and run haskell code to solve AoC problems. (agpl, library, utility)
escape-artist library and tests: ANSI Escape Sequence Text Decoration Made Easy (bsd3, library, text)
escaped library, program and tests: Produce Text with terminal escape sequences (library, mit, program, text)
escoger library, program, test and benchmark: Terminal fuzzy selector (library, mit, program, tools)
esotericbot library and program: Esotericbot is a sophisticated, lightweight IRC bot. (bsd3, library, program, web)
espial library and test: Espial is an open-source, web-based bookmarking server. (agpl, library, web)
esqueleto library and test: Type-safe EDSL for SQL queries on persistent backends. (bsd3, database, library)
esqueleto-compat library and test: Compatibility operators for Persistent and Esqueleto (bsd3, data, library)
esqueleto-pgcrypto library and test: Esqueleto support for the pgcrypto PostgreSQL module (bsd3, database, library)
esqueleto-postgis library and test: postgis bindings for esqueleto. (database, library, mit)
esqueleto-streaming library: Memory-constant streaming of Esqueleto results from PostgreSQL (bsd3, conduit, database, library)
esqueleto-textsearch library and test: PostgreSQL full text search for Esqueleto (database, library, mit)
ess library: The type-level S combinator in Haskell. (data, library, mit)
essence-of-live-coding library, programs and test: General purpose live coding framework (bsd3, frp, library, live-coding, program)
essence-of-live-coding-PortMidi library: General purpose live coding framework - PortMidi backend (bsd3, library, sound)
essence-of-live-coding-gloss library: General purpose live coding framework - Gloss backend (bsd3, frp, library, live-coding)
essence-of-live-coding-gloss-example program: General purpose live coding framework - Gloss example (bsd3, deprecated, frp, live-coding, program)
essence-of-live-coding-pulse library: General purpose live coding framework - pulse backend (bsd3, frp, library, live-coding)
essence-of-live-coding-pulse-example program: General purpose live coding framework - pulse backend example (bsd3, deprecated, frp, live-coding, program)
essence-of-live-coding-quickcheck library: General purpose live coding framework - QuickCheck integration (bsd3, frp, library, live-coding)
essence-of-live-coding-vivid library: General purpose live coding framework - vivid backend (bsd3, library, sound)
essence-of-live-coding-warp library and test: General purpose live coding framework (bsd3, frp, library, live-coding)
estimator library: State-space estimation algorithms such as Kalman Filters (bsd3, library, math, numerical, statistics)
estimators library: Tool for managing probability estimation (bsd3, library, natural-language-processing)
estreps programs: Repeats from ESTs (bioinformatics, program)
etc library and test: Declarative configuration spec for Haskell projects (configuration, library, mit, system)
etcd library and test: Client for etcd, a highly-available key value store (library, network)
eternal library: everything breaking the Fairbairn threshold (bsd3, control, library)
eternity library and test: Native event-sourcing database (database, eventsourcing, library, mit, streaming)
eternity-timestamped library: Automatic timestamping for Eternity (database, eternity, event-sourcing, library, mit, streaming)
ether library, test and benchmark: Monad transformers and classes (bsd3, control, deprecated, library)
ethereum-analyzer library and test: A Ethereum contract analyzer. (apache, ethereum, library, static-analysis)
ethereum-analyzer-cli library and programs: A CLI frontend for ethereum-analyzer. (apache, cli, ethereum, library, program, static-analysis)
ethereum-analyzer-deps library: Stripped dependencies of ethereum-analyzer. (apache, ethereum, library, static-analysis)
ethereum-analyzer-webui library and program: A web frontend for ethereum-analyzer (apache, ethereum, library, program, static-analysis, web)
ethereum-client-haskell programs and test: A Haskell version of an Ethereum client (bsd3, data-structures, program)
ethereum-merkle-patricia-db library and test: A modified Merkle Patricia DB (bsd3, data-structures, deprecated, library)
ethereum-rlp library and test: Ethereum Recursive Length Prefix Encoding (apache, data-structures, library)
eths-rlp library and tests: Ethereum Recursive Length Prefix Encoding (contracts, data, ethereum, finance, library, mit, network)
ety library and program: Random etymology online entry. (bsd3, library, program, web)
euler library and test: Mathematics utilities for Haskell (library, math, mit)
euler-tour-tree library and tests: Euler tour trees (data, library, public-domain)
euphoria library, test and benchmark: Dynamic network FRP with events and continuous values (frp, library, public-domain)
eurofxref library: Free foreign exchange/currency feed from the European Central Bank (bsd3, finance, library)
evdev library and test: Bindings to libevdev (bsd3, library, system)
evdev-streamly library: Bridge for working with evdev and streamly (bsd3, library, streamly, system)
eve library and test: An extensible event framework (bsd3, framework, library)
eve-cli library, program and test: (bsd3, library, program, unclassified)
eved library: A value level web framework (bsd3, library, web)
eveff library: Efficient effect handlers based on evidence translation. (control, effect, library, mit)
event library: Monoidal, monadic and first-class events (bsd3, concurrency, library)
event-driven library: library for event driven programming (bsd3, control, library)
event-handlers library: Event handlers (control, data, library, public-domain)
event-list library and test: Event lists with relative or absolute time stamps (data, library)
event-monad library: Event-graph simulation monad transformer (control, library, public-domain)
event-transformer library, program and test: Initial project template from stack (bsd3, control, deprecated, library, program)
eventful-core library and test: Core module for eventful (database, eventsourcing, library, mit)
eventful-dynamodb library and test: Library for eventful DynamoDB event stores (aws, database, eventsourcing, library, mit)
eventful-memory library and test: In-memory implementations for eventful (database, eventsourcing, library, mit)
eventful-postgresql library and test: Postgres implementations for eventful (database, eventsourcing, library, mit, postgresql)
eventful-sql-common library: Common library for SQL event stores (database, eventsourcing, library, mit)
eventful-sqlite library and test: SQLite implementations for eventful (database, eventsourcing, library, mit, sqlite)
eventful-test-helpers library: Common module used for eventful tests (database, eventsourcing, library, mit)
eventium-core library and test: Core module for eventium (database, eventsourcing, library, mit)
eventium-memory library and test: In-memory implementations for eventium (database, eventsourcing, library, mit)
eventium-postgresql library and test: Postgres implementations for eventium (database, eventsourcing, library, mit, postgresql)
eventium-sql-common library: Common library for SQL event stores (database, eventsourcing, library, mit)
eventium-sqlite library and test: SQLite implementations for eventium (database, eventsourcing, library, mit, sqlite)
eventium-test-helpers library: Common module used for eventium tests (database, eventsourcing, library, mit)
eventium-testkit library: Testing utilities for eventium (database, eventsourcing, library, mit)
eventlog-live library and program: Real-time monitoring for any Haskell application with little to no instrumentation (bsd3, debug, library, monitoring, program, system)
eventlog-live-influxdb library and program: Stream eventlog data into InfluxDB. (bsd3, debug, library, monitoring, program, system)
eventlog-live-otelcol library and program: Stream eventlog data to the OpenTelemetry Collector. (bsd3, debug, deprecated, library, monitoring, program, system)
eventlog-socket library: Stream GHC eventlog events to external processes. (bsd3, library, system)
eventlog-socket-control library: Control command protocol for eventlog-socket. (bsd3, library, system)
eventlog2html library and program: Visualise an eventlog (bsd3, development, library, program)
eventloop library: A different take on an IO system. Based on Amanda's IO loop, this eventloop takes a function that maps input events to output events. It can easily be extended by modules that represent IO devices or join multiple modules together. (bsd3, eventloop, library)
eventsource-api library: Provides an eventsourcing high level API. (bsd3, eventsourcing, library)
eventsource-geteventstore-store library and test: GetEventStore store implementation. (bsd3, eventsourcing, library)
eventsource-store-specs library: Provides common test specification for Store implementation. (bsd3, eventsourcing, library, testing)
eventsource-stub-store library and test: An in-memory stub store implementation. (bsd3, eventsourcing, library)
eventsourced library, program and test: Server-Sent Events the UNIX way (library, mit, network, program)
eventsourcing library and test: CQRS/ES library. (cqrs, database, library)
eventsourcing-postgresql library: PostgreSQL adaptor for eventsourcing. (database, library)
eventstore library and test: EventStore TCP Client (bsd3, database, library)
eventuo11y library: An event-oriented observability library (apache, library, observability)
eventuo11y-batteries library: Grab bag of eventuo11y-enriched functionality (apache, library, observability)
eventuo11y-dsl library: DSL for defining eventuo11y fields and selectors (apache, library, observability)
eventuo11y-json library: aeson-based rendering for eventuo11y (apache, library, observability)
eventuo11y-otel library: OpenTelemetry-based rendering for eventuo11y (apache, library, observability)
eventuo11y-prometheus library: Prometheus backend for eventuo11y (apache, library, observability)
every library: Run a process every so often. (bsd3, library, web)
every-bit-counts library: A functional pearl on encoding and decoding using question-and-answer strategies (bsd3, data, library)
evm-opcodes library, test and benchmark: Opcode types for Ethereum Virtual Machine (EVM) (ethereum, finance, library, mit, network)
evoke library and test: A GHC plugin to derive instances. (library, mit, plugin)
ewe program: An interpreter for EWE programming language (bsd3, language, program)
ex-pool library: Another fork of resource-pool, with a MonadIO and MonadCatch constraint (bsd3, data, library)
exact-combinatorics library: Efficient exact computation of combinatoric functions. (bsd3, library, math, statistics)
exact-cover library and test: Efficient exact cover solver. (algorithms, bsd3, library, math)
exact-kantorovich library and test: Exact Kantorovich distance between finite probability measures. (bsd3, library, math, optimization)
exact-pi library and test: Exact rational multiples of pi (and integer powers of pi) (data, library, mit)
exact-real library, test and benchmark: Exact real arithmetic (library, math, mit)
exact-real-positional library: Framework for Exact Real Arithmetic in the Positional Number System (bsd3, library, math)
example-haskell-project library and program: Example Haskell Project (bsd3, example, library, program)
except-exceptions library: Safely deal with exceptions in ExceptT (bsd3, library, monad)
exception-hierarchy library: Exception type hierarchy with TemplateHaskell (bsd3, language, library)
exception-mailer library: Catch all runtime exceptions and send an email (bsd3, library, system)
exception-monads-fd library: Exception monad transformer instances for monads-fd classes. (bsd3, control, deprecated, error-handling, failure, library, monad)
exception-monads-tf library: Exception monad transformer instances for monads-tf classes. (bsd3, control, error-handling, failure, library, monad)
exception-mtl library: Exception monad transformer instances for mtl classes. (bsd3, control, error-handling, failure, library, monad)
exception-transformers library and test: Type classes and monads for unchecked extensible exceptions. (bsd3, control, error-handling, failure, library, monad)
exception-via library: DerivingVia for your hierarchical exceptions (bsd3, exceptions, library)
exceptional library: Essentially the Maybe type with error messages. (bsd2, control, library)
exceptionfree-readfile library, tests and benchmark: An exception-free readFile for use with '+RTS -xc -RTS' projects (bsd3, library, utility)
exceptions library and test: Extensible optionally-pure exceptions (bsd3, control, exceptions, library, monad)
exceptiot library and test: ExceptT, but uses IO instead of Either (bsd3, control, library)
exchangealgebra library and tests: Exchange Algebra for bookkeeping and economic simulation (accounting, finance, library, math)
exchangerates library and test: A Haskell client for https://exchangeratesapi.io/ (api, bsd3, library)
execs library and program: Tool to run stack exec prj-exe more easy (library, mit, program, utils)
executable-hash library, program and tests: Provides the SHA1 hash of the program executable (library, mit, program, system)
executable-path library: Finding out the full path of the executable. (library, public-domain, system)
executor library and tests: Shell helpers (distribution, library, mit)
exference library: Tool to search/generate (haskell) expressions with a given type (bsd3, language, library)
exh library and test: A library for crawling exhentai (bsd3, library, web)
exhaustive library: Compile time checks that a computation considers producing data through all possible constructors (bsd3, control, library)
exherbo-cabal library, program and test: Exheres generator for cabal packages (distribution, gpl, library, program)
exif library: A Haskell binding to a subset of libexif (bsd3, library, unclassified)
exiftool library: Haskell bindings to ExifTool (foreign, library, mit)
exigo-schema library and test: database schema for exigo marking/assessment tools (bsd2, database, library)
exinst library: Dependent pairs and their instances. (bsd3, data, library)
exinst-aeson library and test: @exinst@ support for @aeson@ package. (bsd3, data, library)
exinst-base library and test: @exinst@ support for @base@ package. (bsd3, data, library)
exinst-bytes library and test: @exinst@ support for @bytes@ package. (bsd3, data, library)
exinst-cereal library and test: @exinst@ support for @cereal@ package. (bsd3, data, library)
exinst-deepseq library: Derive instances for the `deepseq` library for your existential types. (bsd3, data, deprecated, library)
exinst-hashable library: Derive instances for the `hashable` library for your existential types. (bsd3, data, deprecated, library)
exinst-serialise library and test: Dependent pairs and their instances. (bsd3, data, library)
exist library: Dependent sum type (bsd3, library, unclassified)
exist-instances library: Instances for "exist" package (requires more language extensions and dependencies) (bsd3, library, unclassified)
existential library: Existential types with lens-like accessors. (data, library, mit)
exists library: Existential datatypes holding evidence of constraints (bsd3, constraints, library)
exit-codes library: Exit codes as defined by BSD (bsd3, library, system)
exitcode library, test and benchmark: Monad transformer for exit codes (bsd3, control, library)
exomizer library: Compression and decompression in the exomizer format (codec, library)
exon library, test and benchmark: Customizable quasiquote interpolation (library, string)
exotic-list-monads library and test: Non-standard monads on lists and non-empty lists (library, list, mit, monads)
exp-cache library, program and test: (library, mit, program, unclassified)
exp-extended library: floating point with extended exponent range (bsd3, library, numeric)
exp-pairs library, test and benchmarks: Linear programming over exponent pairs (gpl, library, math)
expand library: Extensible Pandoc (library, text)
expat-enumerator library: Enumerator-based API for Expat (deprecated, enumerator, library, mit, parsing, text, xml)
experimenter library and test: Perform scientific experiments stored in a DB, and generate reports. (bsd3, experiment, library)
expiring-cache-map library and tests: General purpose simple caching. (bsd3, caching, library)
expiring-containers library and test: Expiring containers (containers, library, mit, time)
expiring-mvar library: Create values which expire after a period of time. (bsd3, concurrency, library)
explain program: Show how expressions are parsed (language, mit, program)
explainable-predicates library and test: Predicates that can explain themselves. (bsd3, library, testing)
explicit-constraint-lens library and test: Fully-flexible polymorphic lenses, without any bizarre profunctors (data, gpl, library)
explicit-determinant library: explicit computation of determinant of small matrices (gpl, library, math)
explicit-exception library: Exceptions which are explicit in the type signature. (bsd3, control, library)
explicit-iomodes library: File handles with explicit IOModes (bsd3, library, system)
explicit-iomodes-bytestring library: Extends explicit-iomodes with ByteString operations (bsd3, library, system)
explicit-iomodes-text library: Extends explicit-iomodes with Text operations (bsd3, library, system)
explicit-sharing library: Explicit Sharing of Monadic Effects (control, library, monads, public-domain)
explore program: Experimental Plot data Reconstructor (bsd3, graphics, program)
exploring-interpreters library: A generic exploring interpreter for exploratory programming (bsd3, compilers-interpreters, library)
exposed-containers library and tests: A distribution of the 'containers' package, with all modules exposed. (bsd3, data-structures, library)
express library, tests and benchmarks: Dynamically-typed expressions involving function application and variables. (bsd3, data, library)
expression-parser library: Generalization of parsec's expression parser. (bsd3, library, parsing, text)
expressions library and test: Expressions and Formulae a la carte (bsd3, data, library, logic, math)
expressions-z3 library and test: Encode and Decode expressions from Z3 ASTs (bsd3, data, library, logic, math)
expresso library, program and test: A simple expressions language based on row types (bsd3, configuration, library, program)
extcore library: Libraries for processing GHC Core (bsd3, language, library)
extemp program: automated printing for extemp speakers (bsd3, program, web)
extend-record-data-th library and test: TH to define a new record data type that extends the existing record data type. (bsd3, data, library)
extended library and test: Support for an 80-bit extended float. (bsd3, data, library, numerical)
extended-categories library: Extended Categories (bsd3, library, math)
extended-containers library and test: Heap and Vector container types (bsd3, data-structures, library)
extended-containers-lens library: lens instances for extended-containers (bsd3, data-structures, lenses, library)
extended-reals library and test: Extension of real numbers with positive/negative infinities (bsd3, library, math)
extensible library and test: Extensible, efficient, optics-friendly data types and effects (bsd3, data, library, records)
extensible-data library: Sums/products/lists/trees which can be extended in other modules (data, library, public-domain)
extensible-effects library, test and benchmark: An Alternative to Monad Transformers (control, effect, library, mit)
extensible-effects-concurrent library, programs, test and benchmark: Message passing concurrency as extensible-effect (bsd3, concurrency, control, effect, library, program)
extensible-exceptions library: Extensible exceptions (bsd3, control, library)
extensible-skeleton library and test: Operational-based extensible effect library (bsd3, library, monads)
extensible-sp library: light-weight, extensible sums and products over types and kinds (data, library, mit)
extensioneer program: Inspect extensions in cabal and hpack files (cli, mit, program)
extensions library and test: Parse Haskell Language Extensions (ghc, haskell, library, mpl, parsing)
external-sort library: Sort large arrays on your hard drive. Kind of like the unix util sort. (bsd3, library, other)
extism library and tests: Extism bindings (bsd3, library, plugins, webassembly)
extism-manifest library: Extism manifest bindings (bsd3, library, plugins, webassembly)
extism-pdk library and programs: Extism Plugin Development Kit (bsd3, library, plugins, program, wasm)
extra library and test: Extra functions I use. (bsd3, development, library)
extra-data-yj library and test: Additional data types (bsd3, data, library)
extract-dependencies library and program: Given a hackage package outputs the list of its dependencies. (development, library, mit, program)
extractable-singleton library: A functor, where the "stored" value is isomorphic to Identity (bsd3, data, library)
extractelf program: Extract an ELF's metadata and sections into files (bsd3, development, program)
extralife library: API Client for ExtraLife team and user data (bsd3, library, web)
extrapolate library and tests: generalize counter-examples of test properties (bsd3, library, testing)
ez-couch library: A high level static library for working with CouchDB (couchdb, database, deprecated, library, mit)
ez3 library: Z3 bonds with pure interface (bsd3, deprecated, library, unclassified)
f-algebra-gen library: Generate a special f-algebra combinator from any data type. (data, library, mit)
f-ree-hack-cheats-free-v-bucks-generator program: Spam (bsd3, deprecated, program, spam)
faceted library: Faceted computation for dynamic information flow security (apache, library, security)
factor library, program and test: Factoring integers and polynomials (library, mit, number-theory, program)
factory library, program and test: Rational arithmetic in an irrational world. (gpl, library, math, number-theory, program)
facts library: Refined types (bsd3, data, library)
factual-api library: A driver for the Factual API (api, bsd3, library, web)
fad library: Forward Automatic Differentiation. (bsd3, library, math)
fadno library and test: Minimal library for music generation and notation (bsd3, library, music)
fadno-braids library: Braid representations in Haskell (algebra, bsd2, data, library, math)
fadno-xml library: XML/XSD combinators/schemas/codegen (bsd2, library, music, xml)
fail library: Forward-compatible MonadFail class (bsd3, development, library)
failable library: A 'Failable' error monad class to unify failure across monads that can fail (bsd3, control, exceptions, library, monad)
failable-list library: A list-like type for lazy streams, which might terminate with an error. (bsd3, data, deprecated, error-handling, library)
failure library: A simple type class for success/failure computations. (deprecated) (bsd3, control, deprecated, failure, library, monads)
failure-detector library and test: Failure Detectors implimented in Haskell. (bsd3, distributed-computing, library)
fair library, test and benchmark: Lists with fair choice (bsd3, data, library)
fair-predicates library: Fair Predicates (data, library, public-domain)
fake library and test: Randomly generated fake data (bsd3, data, library)
fake-type library: A crossplatform library to simulate keyboard input (bsd3, library, system)
fakedata library, test and benchmark: Library for producing fake data (bsd3, fake, fakedata, library, random)
fakedata-parser library and test: (bsd3, library, unclassified)
fakedata-quickcheck library and test: Fake a -> Gen a (fake, fakedata, library, mit, random)
fakefs library and test: Extensible fake file system for testing. (apache, library, testing)
fakepull library and test: Monad to pull from fake stream-like objects. (apache, library, testing)
faker library: Pure Haskell library for generating fake data (library, mit, testing)
faktory library, programs and tests: Faktory Worker for Haskell (library, mit, network, program)
fallible library and test: (bsd3, data, library)
falling-turnip program: Falling sand game/cellular automata simulation using regular parallel arrays. (bsd3, game, program)
fallingblocks program: A fun falling blocks game. (game, program)
falsify library and test: Property-based testing with internal integrated shrinking (bsd3, library, testing)
familiar-reflection library: Reifies arbitrary terms into types that can be reflected back into terms (bsd3, data, deprecated, library, reflection)
family-tree library: A family tree library for the Haskell programming language. (bsd3, data, genealogy, library)
farmhash library, test and benchmark: Fast hash functions. (bsd3, library, system)
fast-arithmetic library, test and benchmark: Fast functions on integers. (algorithms, ats, bsd3, combinatorics, ffi, library, math, number-theory, numerics)
fast-bech32 library, test and benchmark: Fast implementation of the Bech32 encoding format. (codec, library, mpl)
fast-builder library, test and benchmarks: Fast ByteString Builder (data, library, public-domain)
fast-combinatorics library, test and benchmark: Fast combinatorics. (bsd3, library, numerics)
fast-digits library, test and benchmark: Integer-to-digits conversion. (data, gpl, library)
fast-downward library: Solve classical planning problems (STRIPS/SAS+) using Haskell & Fast Downward. (ai, bsd3, library)
fast-logger library and test: A fast logging system (bsd3, library, system)
fast-math library: Non IEEE-754 compliant compile-time floating-point optimisations (bsd3, library, math, numeric)
fast-mult library: Numeric type with asymptotically faster multiplications. (bsd3, library, web)
fast-myers-diff library and test: A fast implementation of the Myers diff algorithm. (library, mit, testing)
fast-nats library: Natural Numbers with no overhead (data, library, mit)
fast-tags library, program and test: Fast incremental vi and emacs tags. (bsd3, development, haskell, library, program)
fast-tagsoup library: Fast parsing and extracting information from (possibly malformed) HTML/XML documents (bsd3, library, xml)
fast-tagsoup-utf8-only library: Fast parser for tagsoup package (bsd3, library, xml)
fasta library: A simple, mindless parser for fasta files. (data, gpl, library)
fastbayes library: Bayesian modeling algorithms accelerated for particular model structures (library, mit, statistics)
fastcdc library and program: An implementation of FastCDC, a content-defined chunking algorithm based on the Gear hash rolling hash algorithm (bsd3, library, program, unclassified)
fastcgi library: A Haskell library for writing FastCGI programs (bsd3, library, network)
fastedit library and test: find nearest neighbours by edit-distance (library, mit, text)
faster-megaparsec library, test and benchmark: Speed up Megaparsec parsing when parsing succeeds (gpl, library, parsing)
fastirc library: Fast Internet Relay Chat (IRC) library (bsd3, deprecated, library, network)
fastly library and test: A highly experimental Fastly API client. (bsd3, library, web)
fastmemo library and test: Memoize functions on Generic types (bsd3, library, memoization)
fastparser library and benchmark: A fast, but bare bones, bytestring parser combinators library. (bsd3, deprecated, library, parsing)
fastpbkdf2 library, test and benchmark: Haskell bindings to the fastpbkdf2 C library (bsd3, cryptography, library)
fastsum library: A fast open-union type suitable for 100+ contained alternatives (bsd3, data, library)
fathead-util library: Utilities for working with DuckDuckHack's FatHead Instant Answers (development, gpl, library)
fault-tree library: A fault tree analysis library. (bsd3, embedded, language, library)
fay library and program: A compiler for Fay, a Haskell subset that compiles to JavaScript. (bsd3, development, fay, library, program, web)
fay-base library: The base package for Fay. (bsd3, development, fay, library)
fay-builder library: Compile Fay code on cabal install, and ad-hoc recompile during development (bsd3, deprecated, library, web)
fay-dom library: DOM FFI wrapper library for Fay (bsd3, fay, library, web)
fay-geoposition library: W3C compliant implementation of GeoPosition API. (bsd3, library, web)
fay-hsx library: Clientside HTML generation for fay. (bsd3, happstack, library)
fay-jquery library: jQuery bindings for Fay. (bsd3, fay, library, web)
fay-ref library: Like IORef but for Fay. (bsd3, fay, library)
fay-simplejson library: SimpleJSON library for Fay. (bsd3, fay, library, web)
fay-text library: Fay Text type represented as JavaScript strings (data, fay, library, mit, text)
fay-uri library: Persistent FFI bindings for using jsUri in Fay (bsd3, library, web)
fay-websockets library: Websockets FFI library for Fay (bsd3, fay, library, web)
fb library and test: Bindings to Facebook's API. (bsd3, library, web)
fb-persistent library: Provides Persistent instances to Facebook types. (bsd3, library, web)
fb-stubs library: Stubs for dependencies of test code (bsd3, library, utilities)
fb-util library and tests: Various utility libraries (bsd3, library, utilities)
fbmessenger-api library, program and test: High-level bindings to Facebook Messenger Platform API (bsd3, library, program, web)
fbrnch program: Fedora packager tool to build package branches (distribution, gpl, program)
fca library: Algo for Formal Concept Analysis (agpl, data, library)
fcache library and test: Cache a function (a -> b) (bsd3, cache, library)
fcd library, program and test: A faster way to navigate directories using the command line. (library, mit, program, utility)
fcf-base library and test: Family-of-families instances for base (library, mit, other)
fcf-composite library and test: Type-level computation for composite using first-class-families. (composite, library, mit, types)
fcf-containers library, programs and test: Data structures and algorithms for first-class-families (bsd3, library, other, program)
fcf-family library and test: Family of families: featherweight defunctionalization (library, mit, other)
fcf-graphs library and test: Type-level version of algebraic-graphs. (algebra, graphs, library, mit, types)
fcf-vinyl library: Vinyl compatibility with first-class-families (bsd3, library, types, vinyl)
fcg program: TBA (bsd3, database, program)
fckeditor library: Server-Side Integration for FCKeditor (bsd3, library, web)
fclabels library, test and benchmark: First class accessor labels implemented as lenses. (bsd3, data, lenses, library)
fclabels-monadlib library: MonadLib monadic interface for the "fclabels" package. (bsd3, data, library)
fcm-client library, program and test: Admin API for Firebase Cloud Messaging (bsd3, fcm, json, library, program)
fdo-notify library: Desktop Notifications client (bsd3, desktop, library)
fdo-trash library and program: Utilities related to freedesktop Trash standard. (bsd3, desktop, library, program)
fearOfView : A terminal broughlike game about manipulating vision (agpl, game)
feather library and test: (bsd3, library, unclassified)
feature-flags library: A simple library for dynamically enabling and disabling functionality. (control, library, mit)
feature-flipper library and test: A minimally obtrusive feature flag library (library, mit, web)
feature-flipper-postgres library and test: A minimally obtrusive feature flag library (library, mit, web)
fec library, program and test: Forward error correction of ByteStrings (codec, gpl, library, program)
fedora-composes program and test: Query Fedora composes (bsd3, program, utility)
fedora-dists library: Library for Fedora distribution versions (deprecated, distribution, gpl, library)
fedora-haskell-tools programs: Building and maintenance tools for Fedora Haskell (distribution, gpl, program)
fedora-img-dl program: Fedora image download tool (deprecated, gpl, program, utility)
fedora-krb library: Kerberos for Fedora packagers (distribution, gpl, library)
fedora-packages library and tests: Haskell interface to the Fedora Packages webapp API. (bsd3, fedora, library, web)
fedora-releases library: Library for Fedora release versions (distribution, gpl, library)
fedora-repoquery program and test: Fedora release repos package query tool (gpl, program, utility)
fee-estimate library, program and test: Short description of your package (bsd3, library, program, unclassified)
feed library and tests: Interfacing with RSS (v 0.9x, 2.x, 1.0) + Atom feeds. (bsd3, library, text)
feed-cli program: A simple command line interface for creating and updating feeds like RSS (bsd3, program, text, web)
feed-collect library: Watch RSS/Atom feeds (and do with them whatever you like). (library, public-domain, web)
feed-crawl library: Utility for fetching feeds with redirect info and HTML link detection (library, mit, text)
feed-gipeda library, program and test: CI service around gipeda (benchmarking, bsd3, library, program)
feed-translator program: Translate syndication feeds (agpl, program, web)
feed2lj program: (unsupported) (bsd3, deprecated, program, unclassified)
feed2twitter library and program: Send posts from a feed to Twitter (bsd3, library, program, web)
feedback library and programs: Declarative feedback loop manager (gpl, library, program, unclassified)
fei-base library and program: FFI to MXNet (ai, bsd3, library, machine-learning, program)
fei-cocoapi library and program: Cocodataset with cocoapi (ai, bsd3, library, machine-learning, program)
fei-dataiter library, program and tests: mxnet dataiters (ai, bsd3, deprecated, library, machine-learning, program)
fei-datasets library and programs: Some datasets (ai, bsd3, library, machine-learning, program)
fei-examples programs: fei examples (ai, bsd3, machine-learning, program)
fei-modelzoo library: A collection of standard models (ai, bsd3, library, machine-learning)
fei-nn library: Train a neural network with MXNet in Haskell. (ai, bsd3, library, machine-learning)
feldspar-compiler library, tests and benchmark: Compiler for the Feldspar language (bsd3, compiler, library)
feldspar-language library and tests: A functional embedded language for DSP and parallelism (bsd3, language, library)
feldspar-signal library: Signal Processing extension for Feldspar (bsd3, language, library)
fen2s library, program and test: Converting a chess position from FEN notation to text (game, library, mit, program)
fences library: To be written (gpl, library, unclassified)
fenfire programs: Graph-based notetaking system (program, user-interfaces)
fernet library and test: Generate and verify HMAC-based authentication tokens. (authentication, lgpl, library, web)
festival library: C bindings plus conveniences for the festival tts system. (accessibility, audio, bsd3, library, natural-language, text-to-speech)
festung library, program and test: Remote multi-db SQLCipher server (concurrency, library, mit, program)
fez-conf library: Simple functions for loading config files (bsd3, library, parsing)
ffeed library and programs: Haskell binding to the FriendFeed API (bsd3, library, program, web)
fficxx library: Automatic C++ binding generation (bsd2, ffi-tools, library)
fficxx-runtime library: Runtime for fficxx-generated library (bsd2, ffi-tools, library)
ffmpeg-light library: Minimal bindings to the FFmpeg library. (bsd3, codec, library)
ffmpeg-tutorials programs: Tutorials on ffmpeg usage to play video/audio (bsd3, media, program)
fft library and test: Bindings to the FFTW library. (bsd3, library, math)
fftw-ffi library: Low-level interface to FFTW (Fast Fourier Transform) (bsd3, library, math)
fftwRaw library: Low level bindings to FFTW. (bsd3, library, math)
ffunctor library and test: FFunctor typeclass (bsd3, constraints, library)
fgl library and test: Martin Erwig's Functional Graph Library (bsd3, data-structures, graphs, library)
fgl-arbitrary library and test: QuickCheck support for fgl (bsd3, graphs, library, testing)
fgl-extras-decompositions library: Graph decomposition algorithms (bsd3, data-structures, graphs, library)
fgl-visualize library: Convert FGL graphs to dot (graphviz) files (bsd3, graphs, library)
fib library: fibonacci algebra (bsd3, library, math)
fibon programs: Tools for running and analyzing Haskell benchmarks (benchmarking, bsd3, program)
fibonacci library: Fast computation of Fibonacci numbers. (algorithms, bsd3, library, numerical)
ficketed program: update statically hosted file in a push stule through socketed (mit, program, web)
fields library: First-class record field combinators with infix record field syntax. (bsd3, data, library)
fields-and-cases library and test: Codegen Haskell types to other languages (bsd3, codegen, library)
fields-json library: Abusing monadic syntax JSON objects generation. (bsd3, library, web)
fieldwise library and test: Provides Fieldwise typeclass for operations of fields of records treated as independent components. (bsd2, data, library)
fig library: Manipulation of FIG files (bsd3, graphics, library)
file-collection library: Provide a uniform interface over file archives and directories (bsd3, codec, library)
file-command-qq library: Quasiquoter for system commands involving filepaths (library, mit, system)
file-embed library and test: Use Template Haskell to embed file contents directly. (bsd2, data, library)
file-embed-lzma library and test: Use Template Haskell to embed (LZMA compressed) data. (bsd3, data, library)
file-embed-poly library and test: Use Template Haskell to embed file contents directly. (bsd3, data, deprecated, library)
file-io library and tests: Basic file IO operations via 'OsPath' (bsd3, library, system)
file-location library and test: common functions that show file location information (bsd3, development, library)
file-modules library and program: Takes a Haskell source-code file and outputs its modules. (development, library, mit, program)
file-path-th library: Template Haskell utilities for filepaths. (library, mit, system)
file-templates program: Use templates for files and directories (bsd3, cli, program, template)
file-uri library, test and benchmark: File URI parsing (bsd3, library, system)
filecache library and test: A cache system associating values to files. (bsd3, data, library)
filediff library and test: Diffing and patching module (bsd3, data, library)
filelock library and test: Portable interface to file locking (flock / LockFileEx) (library, public-domain, system)
filemanip library: Expressive file and directory manipulation for Haskell. (bsd3, library, system)
fileneglect library: Block thread until a file stops being modified (bsd3, deprecated, filesystem, library)
filepath library, tests and benchmark: Library for manipulating FilePaths in a cross platform way. (bsd3, library, system)
filepath-bytestring library, test and benchmark: Library for manipulating RawFilePaths in a cross platform way. (bsd3, deprecated, library, system)
filepath-crypto library: Reversable and secure encoding of object ids as filepaths (bsd3, cryptography, library)
filepath-io-access library: IO Access for filepath (development, gpl, library)
filepather library, test and benchmark: FilePath and Directory operations via Kleisli type aliases (bsd3, library, system)
filepattern library and test: File path glob-like matching (bsd3, development, filepath, library)
fileplow library and test: Library to process and search large files or a collection of files (bsd3, library, web)
filestore library and test: Interface for versioning file stores. (bsd3, data, library)
filesystem-abstractions library: A shared set of abstractions and types for representing filessytem data. (bsd3, library, system)
filesystem-conduit library and test: Use system-filepath data types with conduits. (deprecated) (conduit, data, deprecated, library, mit)
filesystem-enumerator library: Enumerator-based API for manipulating the filesystem. (deprecated, enumerator, library, mit, system)
filesystem-trees library: Recursively manipulate and traverse filesystems as lazy rose trees. (bsd3, data, library, system)
fillit library and tests: Flexible string substitution (bsd3, library, text)
filter-logger library, programs and test: Filterable request logging wai middleware. Change how data is logged and when. (library, mit, program, web)
filters-basic library: Allows to change the structure of the function output. (RealFrac, data, filters, library, mit)
filtrable library and test: Class of filtrable containers (bsd3, data, library)
fin library: Nat and Fin: peano naturals and finite numbers (bsd3, data, dependent-types, library, math, singletons)
fin-int library: Finite sets of static size (apache, data, library)
final library: utility to add extra safety to monadic returns (bsd3, library, unclassified)
final-pretty-printer library: Extensible pretty printing with semantic annotations and proportional fonts (library, mit, text)
find-clumpiness library and program: Find the clumpiness of labels in a tree (gpl, library, math, program)
find-conduit library, program and tests: A file-finding conduit that allows user control over traversals. (deprecated, library, mit, program, system)
find-source-files library: Initial project template from stack (library, mit, test)
findhttp program: List http/html files (gpl, program, utility)
fingertree library and test: Generic finger-tree structure, with example instances (bsd3, data-structures, library)
fingertree-psqueue library: Implementation of priority search queues as finger trees. (bsd3, data-structures, library)
fingertree-tf library: Generic finger-tree structure using type families. (bsd3, data, data-structures, library)
finitary library and test: A better, more type-safe Enum. (data, gpl, library)
finitary-derive library and test: Flexible and easy deriving of type classes for finitary types. (data, gpl, library)
finitary-optics library and test: Prisms and Isos between finitary types. (data, gpl, library)
finite library and test: Finite ranges via types (library, mit, types)
finite-field library and test: Finite Fields (algebra, bsd3, data, library, math)
finite-fields library and test: Arithmetic in finite fields (bsd3, library, math)
finite-semigroups library and test: Operations and classification for finite semigroups (library, math, mit)
finite-table library and test: Types isomorphic to Fin, and Tables indexed by them. (apache, data, library)
finite-typelits library and test: A type inhabited by finitely many values, indexed by type-level naturals (bsd3, data, library)
finito library and tests: Constraint Solver for Finite Domains (ai, bsd3, library)
firebase-database library, test and benchmark: Google Firebase Database SDK (cloud, database, google, library, network)
firebase-hs library and test: Firebase Auth, Firestore, and Servant integration for Haskell (authentication, bsd3, database, library, web)
firefly library: A simple HTTP server framework (bsd3, library, web)
firefly-example program: A simple example using Firefly (bsd3, program, web)
firestore library and test: Wrapper for Google Firestore/Datastore API (bsd3, database, google, library)
first-and-last library and test: First and Last generalized to return up to n values (bsd3, data, library)
first-class-families library and test: First-class type families (library, mit, other)
first-class-instances library and test: First-class typeclass instances (bsd3, language, library)
first-class-patterns library: First class patterns and pattern matching, using type families (bsd3, data, library, pattern)
firstify library and program: Defunctionalisation for Yhc Core (bsd3, development, library, program)
fishfood library, program and test: Calculates file-size frequency-distribution. (library, program, utils)
fit library and test: FIT file decoder (bsd3, data, fitness, library, parsing)
fits-parse library, program and test: Parse FITS files (bsd2, library, program, science)
fitsio library: A library for reading and writing data files in the FITS data format. (data, library, physics)
fitspec library, tests and benchmarks: refining property sets for testing Haskell programs (bsd3, library, testing)
fix-imports program and test: Program to manage the imports of a haskell module (bsd3, editor, haskell, ide, program)
fix-parser-simple library: Simple fix-expression parser (deprecated, library, parser)
fix-symbols-gitit library: Gitit plugin: Turn some Haskell symbols into pretty math symbols. (bsd3, library, text)
fix-whitespace library, program and tests: Fixes whitespace issues. (library, mit, program, text)
fixed library: Signed 15.16 precision fixed point arithmetic (bsd3, library, numeric)
fixed-generic library and test: Fixed-point number build on generic integral number (bsd3, library, numeric)
fixed-length library: Lists with statically known length based on non-empty package. (bsd3, data, library)
fixed-list library: A fixed length list type (bsd3, data, library)
fixed-point library: Binary fixed-point arithmetic (data, deprecated, game, library, math, mit, numerical)
fixed-point-vector library: Unbox instances for the fixed-point package (data, deprecated, game, library, math, mit, numerical)
fixed-point-vector-space library: vector-space instances for the fixed-point package (data, deprecated, game, library, math, mit, numerical)
fixed-precision library: Fixed Precision Arithmetic (bsd3, library, math)
fixed-storable-array library: Fixed-size wrapper for StorableArray, providing a Storable instance. Deprecated - use storable-static-array instead. (bsd3, ffi, library)
fixed-timestep library: Pure Haskell library to repeat an action at a specific frequency. (library, mit, time)
fixed-vector library and test: Generic vectors with statically known size. (bsd3, data, library)
fixed-vector-QC library: QuickCheck instances for fixed-vector (bsd3, data, library)
fixed-vector-aeson library: Aeson instances for fixed-vector (bsd3, data, library)
fixed-vector-binary library: Binary instances for fixed-vector (bsd3, data, library)
fixed-vector-cborg library: Binary instances for fixed-vector (bsd3, data, library)
fixed-vector-cereal library: Cereal instances for fixed-vector (bsd3, data, library)
fixed-vector-hetero library: Library for working with product types generically (bsd3, data, library)
fixed-width library: Fixed width subsets of an Int64/Word64. (bsd3, deprecated, library, web)
fixedprec library: A fixed-precision real number type (bsd3, data, library, math)
fixedwidth-hs library and program: Quick parsing of fixed-width data formats. (library, mit, program, text)
fixer library and test: A Haskell client for http://fixer.io/ (api, bsd3, library)
fixfile library and test: File-backed recursive data structures. (data, lgpl, library)
fixhs library and program: FIX (co)parser (lgpl, library, parsing, program, protocol, text)
fixie library and test: Opininated testing framework for mtl style (spies, stubs, and mocks) (bsd3, library, test)
fixplate library and test: Uniplate-style generic traversals for optionally annotated fixed-point types. (bsd3, generics, library)
fixpoint library: Data types as fixpoints (bsd3, data, library)
fixtime library: Some fixes to the time package (bsd2, data, library)
fizz-buzz library: Functional Fizz/Buzz (bsd3, library, math)
fizzbuzz library: test (bsd3, deprecated, game, library)
fizzbuzz-as-a-service program: FizzBuzz as a service (apache, network-apis, program)
flac library and test: Complete high-level binding to libFLAC (audio, bsd3, codec, library)
flac-picture library and test: Support for writing pictures into FLAC metadata blocks with JuicyPixels (audio, bsd3, codec, image, library)
flaccuraterip program: Verify FLAC files ripped form CD using AccurateRip™ (gpl, program, sound)
flag library: A simple flag type. (data, library, mit)
flag-dhall-instance library: FromDhall and ToDhall instances for flag. (data, dhall, library, mit)
flags-applicative library and test: Applicative flag parsing (bsd3, library, web)
flamethrower library: A template engine for HTML (html, library, mit, text, web)
flamingra library and program: FlameGraphs of profiling (bsd3, development, library, program)
flashblast library and program: Generate language learning flashcards from video. (library, mit, program, unclassified)
flat library and tests: Principled and efficient bit-oriented binary serialization. (bsd3, data, library, parsing, serialization)
flat-maybe library: Strict Maybe without space and indirection overhead (bsd3, data, library)
flat-mcmc library and tests: Painless general-purpose sampling. (library, math, mit)
flat-tex program: flatten a latex multi-file latex document and remove all comments (gpl, program, text)
flatbuffers library, test and benchmark: Haskell implementation of the FlatBuffers protocol. (bsd3, data, library, network, serialization)
flatbuffers-builder library and test: Flatbuffers encoding based on a syntax tree (bsd3, data, library)
flatbuffers-parser library and test: Parse flatbuffers (bsd3, data, library)
flatcv library and test: Haskell bindings for FlatCV image processing library (graphics, image, library)
flatparse library, test and benchmark: High-performance parsing from strict bytestrings (library, mit, parsing)
flay library and test: Generic programming for higher-kinded types. (bsd3, data, generics, library)
flexible-defaults library: Generate default function implementations for complex type classes. (code-generation, library, public-domain, template-haskell)
flexible-numeric-parsers library and test: Flexible numeric parsers for real-world programming languages. (library, mit, parsing)
flexible-time library: simple extension of Data.UnixTime. (data, library, mit)
flexible-unlit library and program: A configurable reimplementation of unlit (bsd3, development, library, program)
flexiwrap library: Flexible wrappers (bsd3, data, library)
flexiwrap-smallcheck library: SmallCheck (Serial) instances for flexiwrap (bsd3, data, library)
flick-duration library and test: work with durations of time using the Flick as the smallest unit (bsd3, library, time)
flickr library and programs: Haskell binding to the Flickr API (bsd3, library, program, web)
flight-igc library: A parser for IGC files. (data, library, mpl, parsing)
flight-kml library and tests: Parsing of pilot tracklogs dumped as KML. (data, flight, geography, gps, kml, library, mpl, parsing, xml)
flink-statefulfun library: Flink stateful functions SDK (flink, library, mpl, web)
flip-cmd program: e.g. `flip systemctl foo.service start` does `systemctl start foo.service` (mit, program, simple)
flippers library: Variations on flip for multiple arguments (bsd3, library, other)
flite library: f-lite compiler, interpreter and libraries (bsd3, compiler, library)
flo library and program: Generate flow charts from your code base. (bsd3, development, library, program)
float-binstring library and test: C99 printf "%a" style formatting and parsing (bsd3, data, library, numerical)
float128 library: FFI bindings for C _Float128 (bsd3, library, math)
floating-bits library, test and benchmark: Bitwise accurate floating point conversion, and Unit of Lease Precision calculation. (bsd3, data, library)
floatshow library: Alternative faster String representations for Double and Float, String representations for more general numeric types. (bsd3, library, text)
flock library: Wrapper for flock(2) (library, system)
floskell library, program, test and benchmark: A flexible Haskell source code pretty printer (bsd3, development, library, program)
flow library and test: Write more understandable Haskell. (combinators, functions, library, mit, utility)
flow-er library and test: More directional operators (combinators, functions, library, mit, utility)
flow2dot library, program and test: Library and binary to generate sequence/flow diagrams from plain text source (bsd3, console, library, program, tool)
flowdock library: Flowdock client library for Haskell (library, mit, web)
flowdock-api library, program and test: API integration with Flowdock. (library, mit, network, program)
flowdock-rest library and test: Flowdock REST API (bsd3, library, web)
flower programs: Analyze 454 flowgrams (.SFF files) (bioinformatics, program)
flowlocks-framework library and test: Generalized Flow Locks Framework (bsd3, library, security)
flowsim programs: Simulate 454 pyrosequencing (bioinformatics, gpl, program)
flp library, programs and test: A layout spec language for memory managers implemented in Rust. (compiler, library, mit, program)
fltkhs library and program: FLTK bindings (graphics, gui, library, mit, program, ui, user-interfaces)
fltkhs-demos programs: FLTKHS demos. Please scroll to the bottom for more information. (deprecated, graphics, mit, program, ui)
fltkhs-fluid-demos programs: Fltkhs Fluid Demos (deprecated, graphics, mit, program, ui)
fltkhs-fluid-examples programs: Fltkhs Fluid Examples (deprecated, graphics, mit, program, ui)
fltkhs-hello-world program: Fltkhs template project (graphics, mit, program, ui)
fltkhs-themes library: A set of themed widgets that provides drop in replacements to the ones in FLTKHS. (bsd3, graphics, gui, library, ui, user-interfaces)
fluent-logger library, test and benchmark: A structured logger for Fluentd (Haskell) (apache, library, network)
fluent-logger-conduit library: Conduit interface for fluent-logger (conduit, library, network)
fluffy program: A simple web application as a online practice website for XDU SE 2017 fall SPM. (gpl, program, web)
fluffy-parser library: The parser for fluffy to parsec the question bank in .docx type (gpl, library, text)
fluid-idl library and test: Code-generated, Auto-versioned, & Smart Web APIs (bsd3, library, web)
fluid-idl-http-client library: Http Client addon for Fluid (bsd3, library, web)
fluid-idl-scotty library: Scotty server add-on for Fluid (bsd3, library, web)
fluidsynth library: Haskell bindings to FluidSynth (library, mit, sound)
flush-queue library, test and benchmark: Concurrent bouded blocking queues optimized for flushing. Both IO and STM implementations. (bsd3, concurrency, library)
flux-monoid library: A monoid for tracking changes (bsd3, data-structures, library)
fmark program: A Friendly Markup language without syntax. (bsd3, program, typography)
fmlist library: FoldMap lists (bsd3, data, library)
fmr library: Fields for Monadic Records library (bsd3, library, syntax)
fmt library, test and benchmark: A new formatting library (bsd3, library, text)
fmt-for-rio library: Adaptor for getting fmt to work with rio (bsd3, control, library, text)
fmt-terminal-colors library and test: ANSI terminal colors formatters for fmt library (bsd3, library, text)
fn library and test: A functional web framework. (library, web)
fn-extra library: Extras for Fn, a functional web framework. (library, web)
fnmatch library, test and benchmark: fnmatch C wrapper (apache, library, system)
fnotation library and test: (language, library)
focus library and test: A general abstraction for manipulating elements of container data structures (containers, data, library, mit)
focuslist library and tests: Lists with a focused element (bsd3, library, text)
fold-debounce library and tests: Fold multiple events that happen in a given period of time. (bsd3, control, library)
fold-debounce-conduit library and test: Regulate input traffic from conduit Source with Control.FoldDebounce (bsd3, conduit, library)
foldable-ix library: Functions to find out the indices of the elements in the Foldable structures (data, library, mit)
foldable1 library: Foldable types with at least 1 element (bsd3, deprecated, library, unclassified)
foldable1-classes-compat library, test and benchmark: Compatibility package for the Foldable1 and Bifoldable1 type classes (bsd3, compatibility, data, library)
foldl library, test and benchmarks: Composable, streaming, and efficient left folds (bsd3, control, library)
foldl-exceptions library and test: Exception handling with FoldM (control, library, mit)
foldl-incremental library, test and benchmark: incremental folds (control, library, mit, statistics)
foldl-statistics library, test and benchmark: Statistical functions from the statistics package implemented as Folds. (bsd3, library, math, statistics)
foldl-transduce library, tests and benchmark: Transducers for foldl folds. (bsd3, control, library)
foldl-transduce-attoparsec library and tests: Attoparsec and foldl-transduce integration. (bsd3, control, library)
folds library: Beautiful Folding (bsd3, comonads, data, enumerator, library)
folds-common library and tests: A playground of common folds for folds (data, library, mit)
folgerhs library and program: Toolset for Folger Shakespeare Library's XML annotated plays (gpl, library, program, text)
follow library, program and test: Haskell library to follow content published on any subject. (lgpl, library, program, web)
follow-file library and program: Be notified when a file gets appended, solely with what was added. Warning - only works on linux and for files that are strictly appended, like log files. (bsd3, filesystem, library, program)
follower program: Follow Tweets anonymously (application, console, gpl, program, web)
folly-clib library: The folly C++ library from Meta (apache, library, unclassified)
foma library: Simple Haskell bindings for Foma. (language, library, mit)
font-awesome-type library: A Font Awesome data type enumerating all icon classes (bsd3, library, web)
font-opengl-basic4x6 library and program: Basic4x6 font for OpenGL (graphics, library, program, public-domain)
fontconfig-pure library, program and test: Queries your system (Linux/BSD/etc) font database. (library, mit, program, text)
fontwhich program: Determine fonts used to render text (gpl, program, utility)
foo program: Paper soccer, an OpenGL game. (game, program)
foobar library, program and test: Initial project template from stack (bsd3, deprecated, library, program, web)
for-free library: Functor, Monad, MonadPlus, etc for free (control, library, public-domain)
forbidden-fruit library and test: A library accelerates imperative style programming. (bsd3, control, library)
force-layout library: Simple force-directed layout (bsd3, library, physics)
fordo program: Run a command on files with magic substituion support (sequencing and regexp) (program, utils)
forecast-io library: A Haskell library for working with forecast.io data. (bsd3, library, web)
foreign library and test: A collection of helpers for ffi. (bsd3, foreign, library)
foreign-storable-asymmetric library: Types and instances for implementing a Storable with different peek and poke (bsd3, foreign, library)
foreign-store library: Store a stable pointer in a foreign context to be retrieved later. (bsd3, development, library)
foreign-var library: Encapsulating mutatable state in external libraries (bsd3, deprecated, ffi, library, mutable-state)
forest library: Tree and Forest types (control, library, mpl)
forest-fire library, program and test: Recursively delete CloudFormation stacks and their dependants (bsd3, library, program, silly-tool)
forex2ledger library, program and test: Print Forex quotes in Ledger format (agpl, finance, library, program)
forger library and program: Library for generating fake placeholder data (bsd3, deprecated, library, program, text)
forkable-monad library: An implementation of forkIO for monad stacks. (bsd3, concurrent, library)
forma library and test: Parse and validate forms in JSON format (bsd3, library, web)
formal program: A statically typed, functional programming language (compiler, mit, program)
format library and test: Rendering from and scanning to format strings (library, mit, text)
format-numbers library and test: Various number formatting functions (library, mit, web)
format-status program: A utility for writing the date to dzen2. (mit, program, unclassified)
formatn library: Formatting of doubles. (bsd3, library, text)
formattable library and test: Business-quality formatting of numbers, dates, and other things (bsd3, library, text)
formatting library, test and benchmark: Combinator-based type-safe formatting (like printf() or FORMAT) (bsd3, library, text)
forml program: A statically typed, functional programming language (compiler, mit, program)
formlets library: Formlets implemented in Haskell (bsd3, deprecated, library, text, user-interfaces, web, xml)
formlets-hsp library: HSP support for Formlets (bsd3, deprecated, library, text, user-interfaces, web, xml)
forms-data-format library and programs: Parse and serialize FDF, the Forms Data Format (bsd3, data, library, program, text)
formura library and programs: Formura is a simple language to describe stencil computation. (language, library, mit, program)
forsyde-deep library and test: ForSyDe's Haskell-embedded Domain Specific Language. (bsd3, hardware, language, library)
forsyde-shallow library and tests: ForSyDe's Haskell-embedded Domain Specific Language. (bsd3, language, library)
forth-hll library: A simple eDSL for generating arrayForth code. (deprecated, gpl, language, library)
fortran-src library, program and test: Parsers and analyses for Fortran standards 66, 77, 90, 95 and 2003 (partial). (apache, language, library, program)
fortran-src-extras library, program and test: Common functions and utils for fortran-src. (apache, language, library, program)
fortran-vars library, program and test: Fortran memory model and other static analysis tools. (apache, language, library, program)
fortytwo library and tests: Interactive terminal prompt (library, mit, prompt)
forward-chan library: Concurrent channels with a forwarding primitive (concurrency, library)
foscam-directory library and test: Foscam File format (bsd3, data, file, library)
foscam-filename library and test: Foscam File format (bsd3, data, file, library, parsing)
foscam-sort library, program and test: Foscam File format (bsd3, data, file, library, parsing, program)
foundation test: Alternative prelude with batteries and no dependencies (bsd3, foundation)
foundation-edge library: foundation's edge with the conventional set of packages (bsd3, foundation, library)
fountain library: A fountain codec. (bsd3, codec, library)
fourmolu library, program and test: A formatter for Haskell source code (bsd3, development, formatting, library, program)
fp-ieee library, test and benchmark: IEEE 754-2019 compliant operations (bsd3, library, math, numeric)
fpco-api library: Simple interface to the FP Complete IDE API. (bsd3, development, library)
fpe library and test: Format-preserving encryption. (cryptography, library, mit)
fpipe library: F#-style composition and application (bsd3, library, unclassified)
fplll library and test: Haskell bindings to <https://fplll.github.io/fplll/ fplll> (lgpl, library, math)
fpnla library: A library for NLA operations (bsd3, library, math)
fpnla-examples library and tests: Example implementations for FPNLA library (bsd3, library, math, parallelism)
fptest programs and tests: IEEE754r floating point conformance tests (bsd3, math, program)
fquery program: Installed package query tool for Gentoo Linux (gentoo, program)
fractal program: Draw Newton, Julia and Mandelbrot fractals (bsd3, graphics, program)
fractal-layer library and test: Composable resource management and dependency injection (bsd3, control, library)
fractals library and test: A collection of useful fractal curve encoders (bsd3, library, math)
fractaltext library and test: Reference implementation of FractalText (apache, data, library)
fraction library: Fractions (bsd3, data, library)
fractionizer library: Numbers in the range [0.005, 1] as a sum of 2, 3, 4 or 5 unit fractions of special types. (#AncientEgypt, language, library, math, mit, music, sound)
frag program: A 3-D First Person Shooter Game (game, program)
fragr library, test and benchmark: Frame graph (render graph) engine, renderer-agnostic (bsd3, graphics, library)
frame library and program: A simple web framework. (bsd3, library, program, web)
frame-markdown library: A markdown to Frame GUI writer for Pandoc (bsd3, library, web)
franchise library: A package for configuring and building Haskell software (bsd3, distribution, library)
franz library, programs and test: Append-only database (bsd3, database, library, program)
fraxl library and benchmark: Cached and parallel data fetching. (bsd3, concurrency, library)
frecently program: CLI frecency history (bsd3, command-line-tools, program)
freckle-app library and tests: Haskell application toolkit used at Freckle (library, mit, utils)
freckle-ecs library: Small utility for Amazon Elastic Container Service (library, mit, prelude)
freckle-env library and test: Some extensions to the envparse library (environment, library, mit, system)
freckle-exception library and test: Some extensions to the annotated-exception library (exceptions, library, mit)
freckle-http library and test: Toolkit for making HTTP requests (http, library, mit)
freckle-kafka library: Some extensions to the hw-kafka-client library (database, library, mit)
freckle-memcached library and test: Some extensions to the memcache library (database, library, mit)
freckle-otel library and test: Some extensions to the hs-opentelemetry-sdk library (library, metrics, mit, monitoring, observability, opentelemetry, telemetry)
freckle-prelude library: Standard prelude for Freckle applications (library, mit, prelude)
freckle-stats library: An intentionally-leaky StatsD interface to Datadog (library, mit, prelude)
freddy library and test: RabbitMQ Messaging API supporting request-response (library, mit, network)
free library: Monads for free (bsd3, control, library, monads)
free-alacarte library and test: Free monads based on intuitions from the Data types à la Carte. (lgpl, library, unclassified)
free-algebras library and test: Free algebras (algebra, control, library, monads, mpl)
free-applicative-t library and test: Free Applicative Transformer (bsd3, control, library)
free-categories library: free categories (bsd3, control, library)
free-category library, test and benchmark: efficient data types for free categories and arrows (algebra, category, category-theory, control, library, monads, mpl)
free-concurrent library: Free monads suitable for concurrent computation (concurrency, library, mit)
free-er library and program: An extensible effects library (bsd3, control, effect, library, program)
free-foil library, tests and benchmarks: Efficient Type-Safe Capture-Avoiding Substitution for Free (Scoped Monads) (bsd3, library, parsing)
free-functors library: Free functors, adjoint to functors that forget class constraints. (bsd3, category-theory, data, library, math)
free-game library: Create games for free (bsd3, graphics, library, monads)
free-http library: An HTTP Client based on Free Monads. (library, mit, network)
free-listt library and test: Lawful list and set monad transformers based on free monads (control, library, mit)
free-operational library: Operational Applicative, Alternative, Monad and MonadPlus from free types. (bsd3, control, library)
free-theorems library: Automatic generation of free theorems. (language, library, public-domain)
free-theorems-counterexamples library and program: Automatically Generating Counterexamples to Naive Free Theorems (language, library, program, public-domain)
free-theorems-seq library: Taming Selective Strictness (language, library, public-domain)
free-theorems-seq-webui program: Taming Selective Strictness (language, program, public-domain)
free-theorems-webui programs: CGI-based web interface for the free-theorems package. (language, program, public-domain)
free-v-bucks-generator-no-survey program: Spam (bsd3, deprecated, program, spam)
free-v-bucks-generator-ps4-no-survey program: Spam (bsd3, deprecated, music, program, sound)
free-vector-spaces library: Instantiate the classes from the vector-space package with types from linear (bsd3, library, math)
free-vl library, program and test: van Laarhoven encoded Free Monad with Extensible Effects (bsd3, control, library, monads, program)
freekick2 programs: A soccer game (game, program)
freelude library and test: A generalisation of the Category->Functor->Applicative->Monad hierarchy and more (bsd3, library, prelude)
freenect library: Interface to the Kinect device. (bsd3, graphics, library)
freer library, program, test and benchmark: Implementation of the Freer Monad (bsd3, control, library, program)
freer-base-classes library and test: class NonDetable.N and Failable.F (bsd3, control, library)
freer-converse library and test: Handle effects conversely using monadic conversation (bsd3, library, testing)
freer-effects library, program, test and benchmark: Implementation of effect system for Haskell. (bsd3, control, library, program)
freer-indexed library: Freer indexed monad for type-level resource-aware effectual operations. (bsd3, effects, library)
freer-par-monad library and test: Freer par monad (bsd3, library, monads)
freer-simple library, program, test and benchmark: A friendly effect system for Haskell. (bsd3, control, library, program)
freer-simple-catching library and test: Checked runtime exceptions with freer-simple (control, library, mit)
freer-simple-http library and test: Make HTTP requests with freer-simple! (control, http, library, mit, web)
freer-simple-profiling library and test: Automatic profling of freer-simple programs (benchmarking, control, library, mit, profiling)
freer-simple-random library and test: Random number generators using freer-simple (control, library, mit, random)
freer-simple-time library and test: freer-simple interface to IO based time functions (control, library, mit, time)
freesect program: A Haskell syntax extension for generalised sections (bsd3, language, program)
freesound library and test: Access the Freesound Project database (bsd3, library, sound, web)
freestyle library and test: Freestyle TUI graphics (concurrency, graphics, library, mit, prettyprinter, stm)
freetype-simple library: Single line text rendering for OpenGL ES (graphics, library, public-domain)
freetype2 library and tests: Haskell bindings for FreeType 2 library (bsd3, graphics, library)
fregel program: A functional DSL for vertex-centric large-scale graph processing (language, mit, program)
french-cards library and tests: French Playing Cards (bsd3, game, library)
freq library, test and benchmark: Are you ready to get freaky? (data, library, mit, text)
frequent-substring library, program and test: Identifies and replaces frequent subsequences in long strings (bsd3, cli-tool, library, program)
fresco-binding library: Fresco binding for Haskell (development, ffi, interfaces, library)
fresh library: Introduce fresh variables into Haskell source code (language, library, mit)
fresnel library and test: high-powered optics in a small package (bsd3, control, library)
fresnel-fused-effects library: fresnel/fused-effects integration (bsd3, control, library)
friday library and test: A functional image processing library for Haskell. (graphics, lgpl, library)
friday-devil library: Uses the DevIL C library to read and write images from and to files and memory buffers. (graphics, lgpl, library)
friday-juicypixels library and test: Converts between the Friday and JuicyPixels image types (bsd3, codec, library)
friday-scale-dct library: Scale Friday images with DCT (bsd3, graphics, library)
friendly program: Attempt to pretty-print any input (bsd3, development, program)
friendly-time library and test: Print time information in friendly ways (bsd3, library, web, yesod)
frisby library: Linear time composable parser for PEG grammars (bsd3, library, text)
from library and test: Typeclasses for type conversion mappings (apache, library, typeclass)
from-env library and test: Provides a generic way to construct values from environment variables. (configuration, library, mit)
from-string library and test: Instances of 'From' for common string types (apache, bytestring, library, string, text)
from-sum library and test: Combinators for working with Maybe and Either (bsd3, control, library)
from-text library and test: Type class to convert from Text (bsd3, library, text)
fromhtml library and program: Simple adapter for transformation of HTML to other formats (library, mit, program, text)
front library: A reactive frontend web framework (bsd3, library, web)
frontmatter library and test: Parses frontmatter as used in Jekyll markdown files. (data, library, mit)
frotate program and test: Advanced rotation of backups and other things (math, program, system)
frown program: LALR(k) parser generator (program, unclassified)
frp-arduino library: Arduino programming without the hassle of C. (gpl, language, library)
frpnow library: Principled practical FRP (bsd3, control, library)
frpnow-gloss library: Program awesome stuff with Gloss and frpnow! (bsd3, control, library)
frpnow-gtk library: Program GUIs with GTK and frpnow! (bsd3, control, library)
frpnow-gtk3 library: Program GUIs with GTK3 and frpnow! (bsd3, library, ui)
frpnow-vty library and program: Program terminal applications with vty and frpnow! (control, gpl, library, program)
frquotes library and program: Lexical extension for Quasi-Quotations using French-Quotes (bsd3, library, program, text)
fs-api library and test: Abstract interface for the file system (apache, library, system)
fs-events library: A haskell binding to the FSEvents API (bsd3, library, system)
fs-sim library and test: Simulated file systems (apache, library, testing)
fsh-csv library: csv parser for fsh (distribution, library, mit)
fsharp library: some F# operators, high priority pipes (bsd3, control, deprecated, library)
fsmActions library: Finite state machines and FSM actions (bsd3, data, library)
fsnotify library, program and test: Cross platform library for file change notification. (bsd3, filesystem, library, program)
fsnotify-conduit library and test: Get filesystem notifications as a stream of events (conduit, data, library, mit)
fst library, program and test: Finite state transducers (bsd3, compilers-interpreters, library, program)
fsutils library: File system utilities for Haskell that are missing from built in libraries. (library, mit, system)
fswait program: Wait and observe events on the filesystem for a path, with a timeout (bsd3, program, tools)
fswatch library and program: File System watching tool with cli and slave functionalities. (bsd3, filesystem, library, program)
fswatcher program: Watch a file/directory and run a command when it's modified (bsd3, program, tools)
ft-generator program: implementation accompanying a WFLP'19 paper (language, program)
ftcqueue library and test: FTC Queue (bsd3, data, library)
ftdi library and test: A thin layer over USB to communicate with FTDI chips (bsd3, hardware, library, system)
ftp-client library and test: Transfer files with FTP and FTPS (library, public-domain, web)
ftp-client-conduit library and test: Transfer file with FTP and FTPS with Conduit (library, public-domain, web)
ftp-conduit library: FTP client package with conduit interface based off http-conduit (bsd3, conduit, library, network)
ftphs library: FTP Client and Server Library (library, network)
ftree library: Depth-typed functor-based trees, both top-down and bottom-up (bsd3, data, library)
ftshell program: Shell interface to the FreeTheorems library. (language, program, public-domain, source-tools)
fudgets library and programs: The Fudgets Library (concurrency, gui, library, network, program)
fugue library: A recapitulated prelude with minimal dependencies and profligate exports. (bsd3, development, library)
full-sessions library: a monad for protocol-typed network programming (bsd3, control, library, network)
full-text-search library and test: In-memory full text search engine (bsd3, data, library, search, text)
fullstop library, program and test: Simple sentence segmenter (bsd3, library, natural-language-processing, program)
funbot program: IRC bot for fun, learning, creativity and collaboration. (irc, network, program, public-domain)
funbot-client library: Report events to FunBot over a JSON/HTTP API. (library, network, public-domain, web)
funbot-ext-events library: Interact with FunBot's external events. (library, network, public-domain, web)
funbot-git-hook program: Git hook which sends events to FunBot. (network, program, public-domain, web)
funcmp library: Functional MetaPost is a Haskell frontend to the MetaPost language (gpl, graphics, library)
funcons-intgen program: Generate Funcons interpreters from CBS description files (compilers, mit, program)
funcons-lambda-cbv-mp program: call-by-value lambda-calculus with meta-programming (bsd3, language, program)
funcons-simple program: A modular interpreter for executing SIMPLE funcons (compilers-interpreters, mit, program)
funcons-tools library and programs: A modular interpreter for executing funcons (compilers-interpreters, library, mit, program)
funcons-values library: Library providing values and operations on values in a fixed universe. (compilers-interpreters, library, mit)
function-builder library and test: Create poly variadic functions for monoidal results (bsd3, data-structures, library)
function-combine library: Combining functions (bsd3, control, library)
function-instances-algebra library: Instances of the Algebra.* classes for functions (bsd3, library, math)
functional-arrow library: Combinators that allow for a more functional/monadic style of Arrow programming (bsd3, combinators, library)
functional-kmp library: KMP implemented on haskell's built-in cons-cell-based lists. (bsd3, data, library)
functor library: Functors (bsd3, control, deprecated, library, math)
functor-apply library: This package has been subsumed by semigroupoids (bsd3, control, deprecated, library)
functor-classes-compat library: Data.Functor.Classes instances for core packages (bsd3, data, library)
functor-combinators library and test: Tools for functor combinator-based program design (bsd3, data, library)
functor-combo library: Functor combinators with tries & zippers (bsd3, data, library)
functor-friends library: Friendly helpers for your recursion schemes. (bsd3, data-structures, library)
functor-infix library: Infix operators for mapping over compositions of functors. Lots of them. (data, library, mit)
functor-monad library and test: FFunctor: functors on (the usual) Functors (bsd3, comonads, functors, library, monads)
functor-monadic library: Monad-style combinators for functors. (apache, data, library)
functor-products library: General functor products for various Foldable instances (bsd3, data, library)
functor-utils library: Collection of functor utilities, providing handy operators, like generalization of (.). (apache, data, library)
functora-witch library and test: Convert values from one type into another. (data, library, mit)
functorm library: Data.FunctorM (compatibility package) (bsd3, generics, library)
functors library: (.:) and friends, syntax for Functor and Applicative. (bsd3, control, library)
funflow library, program and tests: Workflows with arrows (control, library, mit, program)
funflow-nix library and test: Utility functions for using funflow with nix (bsd3, library, unclassified)
fungll-combinators library: GLL parser with simple combinator interface (bsd3, compilers, library)
funion program: A unioning file-system using HFuse (bsd3, program, system)
funnyprint library, test and benchmark: funnyPrint function to colorize GHCi output. (library, mit, text)
funpat library: A generalization of pattern matching (bsd3, language, library)
funsat library and program: A modern DPLL-style SAT solver (algorithms, bsd3, library, program)
funspection library: Type-level function utilities (bsd3, library, type-system)
fused-effects library, tests and benchmark: A fast, flexible, fused effect system. (bsd3, control, library)
fused-effects-exceptions library and tests: Handle exceptions thrown in IO with fused-effects. (bsd3, control, control., library)
fused-effects-lens library and test: Monadic lens combinators for fused-effects. (bsd3, control, library)
fused-effects-logger library and test: Logger effect for the `fused-effects` library (effect, gpl, library)
fused-effects-mwc-random library, test and benchmark: High-quality random number generation as an effect. (bsd3, control, library)
fused-effects-optics library: Bridge between the optics and fused-effects ecosystems. (bsd3, control, library)
fused-effects-random library: Random number generation for fused-effects. (bsd3, control, library)
fused-effects-readline library and test: A readline-like effect and carrier for fused-effects (bsd3, development, library)
fused-effects-resumable library: Resumable exceptions for the fused-effects ecosystem. (bsd3, control, library)
fused-effects-squeal library: A fused-effects adapter for squeal-postgresql. (bsd3, control, library)
fused-effects-th library and test: Template Haskell helpers for fused-effects. (bsd3, control, library)
fusion library and test: Effectful streaming library based on shortcut fusion techniques (bsd3, data, deprecated, library)
fusion-plugin library: GHC plugin to make stream fusion more predictable. (apache, development, library)
fusion-plugin-types library: Types for the fusion-plugin package. (bsd3, development, library)
futhark library, program, test and benchmark: An optimising compiler for a functional, array-oriented language. (futhark, library, program)
futhark-data library and test: An implementation of the Futhark data format. (futhark, library)
futhark-manifest library and test: Definition and serialisation instances for Futhark manifests. (futhark, library)
futhark-server library: Client implementation of the Futhark server protocol. (futhark, library)
futhask library and program: Generate Haskell wrappers for Futhark libraries (bsd3, ffi-tools, library, program)
futhask-base library: Base library for libraries generated by futhask (bsd3, ffi, library)
futun program: Simple IP-over-UDP tunnel using TUNTAP (gpl, network, program, system)
future library: Supposed to mimics and enhance proposed C++ "future" features (bsd3, concurrency, library)
future-resource library: realtime resource handling with manual concurrency (control, lgpl, library)
futures library: Simple and fast implementation of Future (concurrency, futures, library, mit)
fuyu-gpio library: High-level, type-safe interface for Linux GPIO (libgpiod v2). (hardware, lgpl, library, system)
fuyu-gpio-direct library: Direct Haskell bindings for Linux libgpiod v2 (hardware, lgpl, library, system)
fuzzcheck library and test: A simple checker for stress testing monadic code (bsd3, library, testing)
fuzzily library and test: Filters a list based on a fuzzy string search (filter, find, fuzzy, library, search, text)
fuzzy library and test: Filters a list based on a fuzzy string search. (library, mit, text)
fuzzy-dates library and test: Libary for parsing dates in strings in varied formats. (bsd3, library, parsing)
fuzzy-parse library and test: Tools for processing unstructured text data (library, mit, parsing, text)
fuzzy-time library: (library, mit, time)
fuzzy-time-gen library, test and benchmark: (library, mit, time)
fuzzy-timings library and test: Translates high-level definitions of "fuzzily" scheduled objects (e.g. play this commercial 10 times per hour between 9:00-13:00) to a list of accurately scheduled objects using glpk-hs. (library, mit, scheduling)
fuzzySets library and test: A Haskell library for working with fuzzy sets and fuzzy relations. (bsd3, library, math)
fuzzyfind library, program and test: Fuzzy text matching (library, mit, program, text)
fuzzyset library and test: Fuzzy set data structure for approximate string matching (bsd3, data, library)
fuzzystrmatch-pg library and test: Determine string similarities and distance (algorithms, data, library, mit, text)
fuzzytime library and program: A 'ten past six' style clock (library, program, utils)
fvars library and test: Fast Mutable Vars (bsd3, data, library)
fwgl library: Game engine (bsd3, deprecated, game, game-engine, javascript, library)
fwgl-glfw library: FWGL GLFW backend (bsd3, deprecated, game, game-engine, library)
fwgl-javascript library: FWGL GHCJS backend (bsd3, deprecated, game, game-engine, javascript, library)
fx library and test: Modular effectful computations with explicit environments and errors (effects, library, mit, resources)
fxpak library: Interface to the FXPak/FXPak Pro USB interface (bsd3, hardware, library)
g-npm program: Generate Gentoo ebuilds from NodeJS/npm packages. (mit, program, tools)
g2 library, programs and tests: Haskell symbolic execution engine. (bsd3, formal-methods, library, program, symbolic-computation)
g2q library: G2Q allows constraint programming, via writing Haskell predicates. (bsd3, formal-methods, library, symbolic-computation)
g3p-hash library and test: Global Password Prehash Protocol (apache, cryptography, library)
g4ip library and test: A theorem prover for propositional logic that uses G4ip (library, logic, mit)
g4ip-prover library, program and test: Theorem prover for intuitionistic propositional logic using G4ip (library, logic, mit, program)
gact program: General Alignment Clustering Tool (bioinformatics, program)
galois-fft library, test and benchmark: FFTs over finite fields (cryptography, library, mit)
galois-field library, test and benchmark: Galois field library (cryptography, library, mit)
gambler library and test: Composable, streaming, and efficient left folds (bsd3, library, streaming)
game-of-life program and test: Conway's Game of Life (mit, program, unclassified)
game-probability library: Simple probability library for dice rolls, card games and similar (bsd3, library, math)
game-tree library: Searching game trees with alpha-beta pruning (data, library)
gameclock program: Game clock that shows two analog clock faces (game, program)
gamgee library, program and test: Tool for generating TOTP MFA tokens. (authentication, command-line, deprecated, library, mpl, program)
gamma library and test: Gamma function and related functions. (library, math, numerical, public-domain)
gang-of-threads library: Non-deterministic parallelism with bags (bsd3, control, library, parallelism)
garepinoh library and programs: reverse prefix notation calculator and calculation library (console, library, math, program, public-domain, tools)
garfield library: TBA (bsd3, data, library)
gargoyle library: Automatically spin up and spin down local daemons (bsd3, library, system)
gargoyle-postgresql library and programs: Manage PostgreSQL servers with gargoyle (bsd3, library, postgresql, program)
gargoyle-postgresql-connect library: Connect to gargoyle-managed postgresql instances (bsd3, library, system)
gargoyle-postgresql-nix library and programs: Manage PostgreSQL servers with gargoyle and nix (bsd3, library, program, system)
garlic-bread library and test: A monad transformer for keeping track of where you've come from. (bsd3, control, library)
garsia-wachs library: A Functional Implementation of the Garsia-Wachs Algorithm (algorithms, bsd3, library)
gas library: Limit how many steps a program may take. (bsd3, control, library)
gasp library: A framework of algebraic classes (algebra, bsd3, library)
gather library: An applicative for parsing unordered things, heterogenous sorting (bsd3, data, library, parsing, sorting)
gauge tests and benchmark: small framework for performance measurement and analysis (benchmarking, bsd3, deprecated, development, performance, testing)
gb-nix-cache library and test: Pure Nix binary cache protocol library (deprecated, distribution, library, mit, nix)
gb-sprite library and test: Pure Haskell 2D raster graphics engine (bsd3, graphics, library)
gb-synth library and test: Procedural music and sound effect synthesis (bsd3, library, sound)
gb-vector library and test: Pure Haskell SVG generation (bsd3, graphics, library)
gbnet-hs library, test and benchmark: Transport-level networking library with zero-copy Storable serialization (game, library, mit, network)
gbs-downloader library, programs and test: A library for downloading data from a Great Black Swamp server (bsd3, library, network, program)
gbu library: planar graph embedding into a plane (bsd3, graph, library)
gc library: Poor Richard's Memory Manager (bsd3, data, library)
gc-monitoring-wai library: a wai application to show GHC.GCStats (bsd3, library, web)
gcodehs library, program and test: GCode processor (bsd3, library, parsing, program)
gconf library: Binding to the GNOME configuration database system. (lgpl, library, system)
gd library: A Haskell binding to a subset of the GD graphics library (bsd3, graphics, library)
gdax library, program and test: API Wrapping for Coinbase's GDAX exchange. (library, mit, program, web)
gdelt library and test: GDELT V2 (Global Database of Events, Language, and Tone) (bsd3, data-mining, library, nlp)
gdiff library: Generic diff and patch (bsd3, data, library)
gdiff-ig library: Generic diff for the instant-generics library (bsd3, generics, library)
gdiff-th library and test: Generate gdiff GADTs and Instances. (bsd3, generics, library, testing)
gdo program: recursive atomic build system (distribution, gpl, program)
gdp library and program: Reason about invariants and preconditions with ghosts of departed proofs. (bsd3, library, program, safe)
gearbox program: zooming rotating fractal gears graphics demo (demo, gpl, program)
gearhash library and programs: An implementation of Gear hash, a fast rolling hash algorithm (bsd3, library, program, unclassified)
gedcom library and test: Parser for the GEDCOM genealogy file format. (bsd3, genealogy, library)
geek library: Geek blog engine (bsd3, library, web)
geek-server library and program: Geek blog engine server (library, program, web)
gegl library: Haskell bindings to GEGL library (graphics, lgpl, library)
gelatin library and program: A graphics description language. (graphics, library, mit, program)
gelatin-freetype2 library and test: FreeType2 based text rendering for the gelatin realtime rendering system. (bsd3, library, web)
gelatin-fruity library: Gelatin's support for rendering TTF outlines, using FontyFruity. (bsd3, graphics, library)
gelatin-gl library and program: OpenGL rendering routines for the gelatin-picture graphics EDSL. (graphics, library, mit, program)
gelatin-sdl2 library and program: An SDL2 backend for the gelatin renderer. (graphics, library, mit, program)
gelatin-shaders library: Gelatin's OpenGL shaders. (bsd3, library, web)
gemcap library and test: a simple Gemini capsule (server) (agpl, gemini, library)
gemini-exports library, program and test: Generate CSV Exports of Your Gemini Trades, Transfers, & Earn Transactions (bsd3, console, finance, library, program, web)
gemini-router library: A simple Happstack-style Gemini router (bsd3, gemini, library)
gemini-server library: A lightweight server for the Gemini protocol (bsd3, gemini, library, network)
gemini-textboard program: A barebones textboard for the Gemini protocol (bsd3, gemini, program)
gemmula library and test: a tiny gemtext parser (gemini, lgpl, library, text)
gemmula-altera library, program and test: A tiny gemtext converter for gemmula (agpl, deprecated, gemini, library, program, text)
gemoire library and test: yet another static gemlog generator + converter (gemini, gpl, library)
gemstone library: A simple library of helpers for SDL+GL games. (game, library)
gen-imports library: Code to generate instances for the package "ghc-instances" (bsd3, library, web)
gen-passwd program: Create wordlist-based passwords easily (bsd3, cli, program)
genai-lib library and programs: A library for interacting with various generative AI LLMs (ai, library, program)
gencheck library: A testing framework inspired by QuickCheck and SmallCheck (bsd3, library, testing)
gender library and program: Identify a persons gender by their first name (language, lgpl, library, program)
genders library and test: Bindings to libgenders. (database, library, mit)
gendocs library and test: Library for generating interface documentation from types (bsd3, library, web)
general-allocate library: Exception-safe resource management in more monads (apache, control, exceptions, library)
general-games library and test: Library supporting simulation of a number of games (game, library, mit, poker)
general-prelude library: Prelude replacement using generalized type classes where possible (bsd3, control, data, deprecated, library)
generator library: Python-generators notation for creation of monadic lists (bsd3, control, library)
generators library: Actually useful monadic random value generators. (bsd3, control, deprecated, library)
generic-accessors library and test: stringly-named getters for generic data (bsd3, data, library)
generic-aeson library: Derivation of Aeson instances using GHC generics. (bsd3, data, library)
generic-arbitrary library and test: Generic implementation for QuickCheck's Arbitrary (generic, library, mit)
generic-binary library: Generic Data.Binary derivation using GHC generics. (bsd3, data, generics, library)
generic-case library and test: Generic case analysis (bsd3, generics, library)
generic-church library and test: Automatically convert Generic instances to and from church representations (generics, library, mit)
generic-constraints library and test: Constraints via Generic (bsd3, generics, library)
generic-data library and tests: Deriving instances with GHC.Generics and related utilities (generics, library, mit)
generic-data-asserts library and test: Structural assertions on generic data representations. (data, deprecated, generics, library, mit)
generic-data-functions library: Familiar functions lifted to generic data types (data, generics, library, mit)
generic-data-surgery library and tests: Surgery for generic data types (library, mit, other)
generic-deepseq library: Generic deep evaluation of data structures (bsd3, control, generics, library)
generic-deriving library and test: Generic programming library for generalised deriving. (bsd3, generics, library)
generic-diff library and test: Generic structural diffs (bsd3, generics, library, test)
generic-diff-instances library and test: Diff instances for common types (bsd3, generics, library, test)
generic-enum library and test: An Enum class that fixes some deficiences with Prelude's Enum (library, mit, unclassified)
generic-enumeration library: Generically derived enumerations. (library, mit, unclassified)
generic-env library: Generic Environment Generator (development, library, mit)
generic-functor library and test: Deriving generalized functors with GHC.Generics (generics, library, mit)
generic-labels library and test: Generically extract and replace collections of record fields (bsd3, data, generics, library, records)
generic-lens library and tests: Generically derive traversals, lenses and prisms. (bsd3, generics, lens, library, records)
generic-lens-core library: Generically derive traversals, lenses and prisms. (bsd3, generics, lens, library, records)
generic-lens-labels library: GHC.OverloadedLabels.IsLabel instance for lenses from ghc-generics (bsd3, generics, lens, library, overloadelabels, records)
generic-lens-lite library and test: Monomorphic field lens like with generic-lens (bsd3, generics, lens, library)
generic-lexicographic-order library and test: Derive Bounded and Enum for sum types and Enum for product types (bsd3, data, library)
generic-lucid-scaffold library: General-purpose web page scaffold for Lucid. (deprecated, library, mit, unclassified)
generic-match library: First class pattern matching (data, library, mit)
generic-maybe library and benchmark: A generic version of Data.Maybe (bsd3, generics, library)
generic-monoid library: Derive monoid instances for product types. (bsd3, data, library)
generic-optics library and tests: Generically derive traversals, lenses and prisms. (bsd3, generics, lens, library, records)
generic-optics-lite library and test: Monomorphic field opics like with generic-lens (bsd3, generics, lens, library, optics)
generic-override library and test: Provides functionality for overriding instances for generic derivation (bsd3, generics, library)
generic-override-aeson library and test: Provides orphan instances necessary for integrating generic-override and aeson (bsd3, generics, library)
generic-persistence library and test: Database persistence using generics (bsd3, database, library)
generic-pretty library and test: Pretty printing for Generic value (library, mit, text)
generic-pretty-instances library and test: GenericPretty canonical instances (bsd3, generics, library, pretty-printer, text)
generic-random library and tests: Generic random generators for QuickCheck (generics, library, mit, testing)
generic-records library: Magic record operations using generics (bsd3, generics, library, records)
generic-server library: Simple generic TCP/IP server (bsd3, library, network)
generic-storable library and test: Generic implementation of Storable (bsd3, data, library)
generic-tree library: Generic Tree data type (data-structures, deprecated, library)
generic-trie library and program: A map, where the keys may be complex structured data. (bsd3, data, library, program)
generic-type-asserts library and test: Structural assertions on generic type representations. (data, generics, library, mit, type)
generic-type-functions library: Familiar functions lifted to type-level functions on generic types (data, generics, library, mit, types)
generic-xml library: Marshalling Haskell values to/from XML (bsd3, library, xml)
generic-xmlpickler library and test: Generic generation of HXT XmlPickler instances using GHC Generics (bsd3, data, library, xml)
generically library: Generically newtype to use with DerivingVia (bsd3, generics, library)
generics-eot library and tests: A library for generic programming that aims to be easy to understand (bsd3, generics, library)
generics-mrsop library: Generic Programming with Mutually Recursive Sums of Products. (generics, library, mit)
generics-mrsop-gdiff library: Reimplementation of the gdiff algorithm for generics-mrsop (bsd3, generics, library)
generics-sop library, test and benchmark: Generic Programming using True Sums of Products (bsd3, generics, library)
generics-sop-lens library: Lenses for types in generics-sop (bsd3, data, generics, library)
genericserialize library: Serialization library using Data.Generics (bsd3, data, library)
genesis library and test: Opinionated bootstrapping for Haskell web services. (library, other)
genesis-test library and test: Opinionated bootstrapping for Haskell web services. (library, other)
genetics program: A Genetic Algorithm library (bsd3, machine-learning, program)
geni-gui library and program: GenI graphical user interface (library, natural-language-processing, program)
geni-util library and program: Companion tools for use with the GenI surface realiser (gpl, library, natural-language-processing, program)
geniconvert program: Conversion utility for the GenI generator (natural-language-processing, program)
genifunctors library and test: Generate generalized fmap, foldMap and traverse (bsd3, generics, library)
geniplate library: Use Template Haskell to generate Uniplate-like functions. (bsd3, generics, library)
geniplate-mirror library: Use Template Haskell to generate Uniplate-like functions. (bsd3, generics, library)
geniserver library and program: Simple HTTP server for GenI results (library, natural-language-processing, program)
genprog library: Genetic programming library (ai, algorithms, bsd3, library, optimisation)
gentlemark library and test: Gentle markup language (bsd3, library, text, web)
genvalidity library and test: Testing utilities for the validity library (library, mit, testing)
genvalidity-aeson library, test and benchmark: GenValidity support for aeson (library, mit, testing)
genvalidity-appendful library, test and benchmark: (library, mit, unclassified)
genvalidity-bytestring library, test and benchmark: GenValidity support for ByteString (library, mit, testing)
genvalidity-case-insensitive library, test and benchmark: GenValidity support for case-insensitive (library, mit, testing)
genvalidity-containers library, test and benchmark: GenValidity support for containers (library, mit, testing)
genvalidity-criterion library and benchmark: Criterion benchmarks for generators (library, mit, validity)
genvalidity-dirforest library, test and benchmark: Generators for typed directory forests (library, mit, unclassified)
genvalidity-dlist library: GenValidity support for dlist (library, mit, testing)
genvalidity-hspec library and test: Standard spec's for GenValidity instances (library, mit, testing)
genvalidity-hspec-aeson library and test: Standard spec's for aeson-related instances (library, mit, testing)
genvalidity-hspec-binary library and test: Standard spec's for binary-related Instances (library, mit, testing)
genvalidity-hspec-cereal library and test: Standard spec's for cereal-related instances (library, mit, testing)
genvalidity-hspec-hashable library and test: Standard spec's for Hashable instances (library, mit, testing)
genvalidity-hspec-optics library and test: Standard spec's for lens (library, mit, testing)
genvalidity-hspec-persistent library and test: Standard spec's for persistent-related instances (library, mit, testing)
genvalidity-mergeful library, test and benchmark: (library, mit, unclassified)
genvalidity-mergeless library, test and benchmark: (library, mit, unclassified)
genvalidity-network-uri library, test and benchmark: GenValidity support for URI (library, mit, testing)
genvalidity-path library, test and benchmark: GenValidity support for Path (library, mit, testing)
genvalidity-persistent library, test and benchmark: GenValidity support for Persistent (library, mit, testing)
genvalidity-property library and test: Standard properties for functions on `Validity` types (library, mit, testing)
genvalidity-scientific library and test: GenValidity support for Scientific (library, mit, testing)
genvalidity-sydtest library and test: Standard properties for functions on `Validity` types for the sydtest framework (library, mit, testing)
genvalidity-sydtest-aeson library and test: Standard spec's for aeson-related instances in sydtest (library, mit, testing)
genvalidity-sydtest-hashable library and test: Standard spec's for Hashable instances for sydtest (library, mit, testing)
genvalidity-sydtest-lens library and test: Standard spec's for lens for sydtest (library, mit, testing)
genvalidity-sydtest-persistent library and test: Standard spec's for persistent-related instances for sydtest (library, mit, testing)
genvalidity-text library, test and benchmark: GenValidity support for Text (library, mit, testing)
genvalidity-time library, test and benchmark: GenValidity support for time (library, mit, testing)
genvalidity-typed-uuid library, test and benchmark: Generators for Phantom-Typed version of UUID (data, library, mit)
genvalidity-unordered-containers library and test: GenValidity support for unordered-containers (library, mit, testing)
genvalidity-uuid library, test and benchmark: GenValidity support for UUID (library, mit, testing)
genvalidity-vector library and test: GenValidity support for vector (library, mit, testing)
geo-resolver library and test: Performs geo location lookups and parses the results (library, mit, web)
geo-uk library: High precision conversion between GPS and UK Grid (bsd3, data, library)
geocalc library: Libary for calculating distances between two coordinates in WSG84 (bsd3, library, math)
geocode-google library: Geocoding using the Google Web API (bsd3, geography, library)
geodetic library and test: Geodetic calculations (bsd3, development, library)
geodetic-types library: Types for geodetic operations (bsd3, geodgraphy, geography, library)
geodetics library and test: Terrestrial coordinate systems and geodetic calculations. (bsd3, geography, library)
geohash library: Geohash latitudes and longitudes. (bsd3, data, library)
geoip2 library: Pure haskell interface to MaxMind GeoIP database (bsd3, database, library)
geojson library and test: A thin GeoJSON Layer above the aeson library (bsd3, data, library)
geojson-types library: GeoJSON data types including JSON/BSON conversion. (bsd3, data, library)
geolite-csv library and test: Geolite CSV Parser (bsd3, library, web)
geom2d library and tests: package for geometry in euklidean 2d space (gpl, library, math)
geomancy library, test and benchmark: Vectors and matrix manipulation (bsd3, graphics, library)
geomancy-layout library and test: Geometry and matrix manipulation (bsd3, graphics, library)
geos library and test: Bindings for GEOS. (geometry, library, mit)
gerrit library and test: A gerrit client library (apache, development, library)
getemx program: Fetch from emusic using .emx files (bsd3, program, web)
getflag library: Command-line parser. (library, mit, parsing)
getopt-generics library and test: Create command line interfaces with ease (bsd3, console, library, system)
getopt-simple library: A "System.Console.GetOpt" wrapper to make simple use case easy. (bsd3, deprecated, library, system)
gettext-th library: gettext-th can internationalise a haskell program without runtime dependencies (bsd3, i18, i18n, i18n-text, library, text)
gev-lib library and test: The family of Extreme Value Distributions. (evt, library, probability, statistics)
gf library, program and test: Grammatical Framework (compiler, library, natural-language-processing, program)
ggtsTC program: A type checker and runtime system of rCOS/g (impl. of ggts-FCS). (gpl, program, system---)
gh library and program: Haskell bindings for gh CLI (library, mit, program, system)
gh-labeler program: Github Standard Labeler (bsd3, program, unclassified)
gh-pocket-knife library, program and test: Script helpers for interacting with GitHub (bsd3, library, network, program)
ghc : The GHC API (bsd3, development)
ghc-api-compat library: GHC-API compatibility helpers (bsd3, development, library)
ghc-bench program and test: Benchmark a Haskell development system (development, mit, program)
ghc-bignum : GHC BigNum library (algebra, bsd3, ghc, numeric)
ghc-bignum-orphans library: Backwards-compatible orphan instances for ghc-bignum (bsd3, compatibility, library)
ghc-boot library: Shared functionality between GHC and its boot libraries (bsd3, ghc, library)
ghc-boot-th library: Shared functionality between GHC and the template-haskell library (bsd3, ghc, library)
ghc-build-stats library and program: A tool for analysing the output of ghc-build-stats-plugin (bsd3, development, library, program)
ghc-build-stats-plugin library: A plugin for collecting GHC build statistics (bsd3, development, library)
ghc-byteorder library and test: "GHC.ByteOrder" API Compatibility Layer (bsd3, ffi, library)
ghc-call-stack-extras library: Extra utilities for HasCallStack (bsd3, control, library)
ghc-check library: detect mismatches between compile-time and run-time versions of the ghc api (bsd3, development, library)
ghc-clippy-plugin library: Override GHC error messages to the user's liking (bsd3, compiler-plugin, development, library)
ghc-compact library: In memory storage of deeply evaluated data structure (bsd3, data, library)
ghc-compat library: GHC compatibility for MicroHs (apache, library, system)
ghc-compat-plugin library and tests: Eases support for multiple GHC versions (agpl, compatibility, compiler-plugins, library)
ghc-core program: Display GHC's core and assembly output in a pager (bsd3, development, program)
ghc-core-html program: Core to HTML display (bsd3, development, program)
ghc-core-smallstep library and test: A small-step semantics for Core (language, library, mit)
ghc-corroborate library: An flatter API for GHC typechecker plugins (ghc, library, mpl, plugin, type-system)
ghc-datasize library: Determine the size of data structures in GHC's memory (bsd3, debug, development, ghc, library)
ghc-debug-brick library and program: A simple TUI using ghc-debug (bsd3, library, program, unclassified)
ghc-debug-client library: Useful functions for writing heap analysis tools which use ghc-debug. (bsd3, development, library)
ghc-debug-common library: Connect to a socket created by ghc-debug-stub and analyse the heap of the debuggee program. (bsd3, development, library)
ghc-debug-convention library: Definitions needed by ghc-debug-stub and ghc-debug-common (bsd3, library, unclassified)
ghc-debug-stub library: Functions for instrumenting your application so the heap can be analysed with ghc-debug-common. (bsd3, development, library)
ghc-debugger library, program and test: A step-through machine-interface debugger for GHC Haskell (bsd3, deprecated, development, library, program)
ghc-definitions-th library: Automatically generate GHC API counterparts to Haskell declarations. (bsd3, ghc, library, template-haskell)
ghc-dump-core library: An AST and compiler plugin for dumping GHC's Core representation. (bsd3, development, library)
ghc-dump-tree library and program: Dump GHC's parsed, renamed, and type checked ASTs (bsd3, development, library, program)
ghc-dump-util library and program: Handy tools for working with ghc-dump dumps (bsd3, development, library, program)
ghc-dup library: Explicitly prevent sharing (bsd3, debug, deprecated, ghc, library)
ghc-eventlog-loopback library and test: Let an application read its own eventlog (bsd3, development, library)
ghc-events library, program and test: Library and tool for parsing .eventlog files from GHC (bsd3, debug, development, ghc, library, profiling, program, trace)
ghc-events-analyze program and tests: Analyze and visualize event logs (bsd3, development, profiling, program, trace)
ghc-events-parallel library, program and test: Library and tool for parsing .eventlog files from parallel GHC (bsd3, debug, development, eden, ghc, library, profiling, program, trace)
ghc-exactprint : ExactPrint for GHC (bsd3, development)
ghc-experimental library: Experimental features of GHC's standard library (bsd3, development, library)
ghc-gc-hook library and test: GHC garbage collection hook (bsd3, ghc, library)
ghc-gc-tune program: Graph performance of Haskell programs with different GC flags (bsd3, development, program)
ghc-generic-instances library: Derived instances of GHC.Generic of the GHC AST (development, library, public-domain)
ghc-heap library: Functions for walking GHC's heap (bsd3, ghc, library)
ghc-heap-view library and test: Extract the heap representation of Haskell values and thunks (bsd3, debug, ghc, library)
ghc-hie library and test: HIE-file parsing machinery that supports multiple versions of GHC (development, library, mit)
ghc-hotswap library: Library for hot-swapping shared objects in GHC (library, system)
ghc-hs-meta library and test: Translate Haskell source to Template Haskell expression (bsd3, ghc, library, template-haskell)
ghc-imported-from library, programs and test: Find the Haddock documentation for a symbol. (bsd3, development, library, program)
ghc-instances library: Easily import all instances contained in GHC distributed libraries (bsd3, library, web)
ghc-internal : Basic libraries (bsd3, prelude)
ghc-justdoit library and test: A magic typeclass that just does it (language, library, mit)
ghc-lib library: The GHC API, decoupled from GHC versions (bsd3, development, library)
ghc-lib-parser library: The GHC API, decoupled from GHC versions (bsd3, development, library)
ghc-lib-parser-ex library, program and test: Programming with GHC parse trees (bsd3, development, library, program)
ghc-magic-dict-compat library and test: A compatibility layer and GHC plugin for `withDict` from "GHC.Magic.Dict". (bsd3, compatibility, library, type-system)
ghc-make program: Accelerated version of ghc --make (bsd3, development, program)
ghc-man-completion program: Generate a bash completion from the GHC manpage (bsd3, development, ghc, program, system, tools)
ghc-mod library, programs, tests and benchmark: Happy Haskell Hacking (agpl, deprecated, development, ghc, library, program)
ghc-mtl library: An mtl compatible version of the Ghc-Api monads and monad-transformers. (bsd3, development, library)
ghc-options library and program: Utilities for extracting GHC options needed to compile a given Haskell target. (language, library, mit, program)
ghc-parmake library, program and test: A parallel wrapper for 'ghc --make'. (bsd3, development, library, program)
ghc-parser library: Haskell source parser from GHC. (language, library, mit)
ghc-paths library: Knowledge of GHC's installation directories (bsd3, development, library)
ghc-pkg-autofix program: Simple utility to fix BROKEN package dependencies for cabal-install. (bsd3, development, program)
ghc-pkg-lib library: Provide library support for ghc-pkg information (bsd3, development, library)
ghc-plugin-non-empty library and test: GHC Plugin for non-empty lists (compiler-plugin, ghc, library, mpl)
ghc-plugs-out library and tests: Type checker plugins without the type checking. (compiler-plugin, library, mpl)
ghc-prim library: GHC primitives (bsd3, ghc, library)
ghc-prof library and test: Library for parsing GHC time and allocation profiling reports (bsd3, development, library)
ghc-prof-aeson library and test: Parser for GHC's JSON profiling output. (bsd3, library, profiling)
ghc-prof-aeson-flamegraph program: Turn GHC `-pj` profiling output into FlameGraph format. (bsd3, profiling, program)
ghc-prof-flamegraph program: Generates flamegraphs from GHC .prof files. (mit, program, testing)
ghc-proofs library and tests: GHC plugin to prove program equations by simplification (compiler-plugin, formal-methods, library, mit)
ghc-server library: None (bsd3, library, unclassified)
ghc-session library and program: Simplified GHC API (language, library, mit, program)
ghc-simple library: Simplified interface to the GHC API. (development, library, mit)
ghc-source-gen library and tests: Constructs Haskell syntax trees for the GHC API. (bsd3, development, library)
ghc-srcspan-plugin library: Generic GHC Plugin for annotating Haskell code with source location data. (bsd3, language, library)
ghc-stack-annotations library and test: RTS Callstack annotation library (bsd, bsd3, development, library)
ghc-stack-profiler library: RTS Callstack profiler for GHC. (benchmarking, bsd3, development, library, profiling)
ghc-stack-profiler-core library and test: Thread sample types and serialisation logic for `ghc-stack-profiler`. (benchmarking, bsd3, development, library, profiling)
ghc-stack-profiler-speedscope library and program: Convert eventlog messages from `ghc-stack-profiler` into a speedscope json. (benchmarking, bsd3, development, library, profiling, program)
ghc-stdin library: Compile source code from the standard input (bsd3, development, library)
ghc-syb library: Data and Typeable instances for the GHC API. (bsd3, development, library)
ghc-syb-utils library: Scrap Your Boilerplate utilities for the GHC API. (bsd3, development, library)
ghc-symbol library and test: Symbol on term level (bsd3, data, library)
ghc-syntax-highlighter library and test: Syntax highlighter for Haskell using the lexer of GHC (bsd3, library, text)
ghc-tags program: Utility for generating ctags and etags with GHC API. (development, mpl, program)
ghc-tags-core library: CTags and ETags from Haskell syntax tree. (development, library, mpl)
ghc-tags-pipes library: Streaming interface for ghc-tags-core (development, library, mpl)
ghc-tags-plugin library: A compiler plugin which generates tags file from GHC parsed syntax tree. (development, library, mpl)
ghc-tcplugin-api library: An API for type-checker plugins. (bsd3, ghc, library, plugin, type-system)
ghc-tcplugins-extra library: Utilities for writing GHC type-checker plugins (bsd2, library, type-system)
ghc-time-alloc-prof library and test: Library for parsing GHC time and allocation profiling reports (bsd3, deprecated, development, library)
ghc-timers library: Provides bindings to functions starting and stopping the RTS timers (bsd3, library, system)
ghc-trace-events library and benchmarks: Faster traceEvent and traceMarker, and binary object logging for eventlog (bsd3, development, ghc, library, trace)
ghc-typelits-extra library and test: Additional type-level operations on GHC.TypeLits.Nat (bsd2, library, type-system)
ghc-typelits-knownnat library and test: Derive KnownNat constraints from other KnownNat constraints (bsd2, library, type-system)
ghc-typelits-natnormalise library and test: GHC typechecker plugin for types of kind GHC.TypeLits.Nat (bsd2, library, type-system)
ghc-typelits-presburger library and test: Presburger Arithmetic Solver for GHC Type-level natural numbers. (bsd3, library, math, type-system)
ghc-usage library and program: Print minimal export lists (bsd3, development, library, program)
ghc-vis library: Live visualization of data structures in GHCi (bsd3, debug, development, ghc, library)
ghcflags library: Dump the ghc flags during compilation (bsd2, building, library)
ghci library: The library supporting GHC's interactive interpreter (bsd3, ghc, library)
ghci-dap library and program: ghci-dap is a GHCi having DAP interface. (bsd3, development, library, program)
ghci-diagrams library: Display simple diagrams from ghci (bsd3, deprecated, graphics, library)
ghci-haskeline program: An implementation of ghci using the Haskeline line-input library. (bsd3, compilers-interpreters, program)
ghci-hexcalc library and test: GHCi as a Hex Calculator interactive (bsd3, data, library)
ghci-history-parser library and tests: parse output of ghci ":history" command (debug, development---, ghc, library, public-domain)
ghci-lib library: A library for interactively evaluating Haskell code. (language, library, mit)
ghci-ng program: Next generation GHCi (bsd3, development, program)
ghci-pretty library: colored pretty-printing within ghci (development, library, mit)
ghci-quickfix library and test: GHC plugin that writes errors to a file for use with quickfix (bsd3, development, library)
ghci-websockets library: A websocket server that survives GHCi reloads (bsd3, language, library)
ghci4luatex library, program and test: A GHCi session in LaTeX (bsd3, latex, library, program)
ghcid library, program and test: GHCi based bare bones IDE (bsd3, development, library, program)
ghcide library: The core of an IDE (apache, development, library)
ghcide-bench library, program and test: An LSP client for running performance experiments on HLS (apache, development, library, program)
ghcide-test-utils library: Test utils for ghcide (apache, development, library)
ghcitui library, program and test: A Terminal User Interface (TUI) for GHCi (bsd3, debug, library, program)
ghcjs-ajax library: Crossbrowser AJAX Bindings for GHCJS (library, mit, web)
ghcjs-base : base library for GHCJS (mit, web)
ghcjs-base-stub library: Allow GHCJS projects to compile under GHC and develop using intero. (bsd3, library, web)
ghcjs-codemirror library: Installs CodeMirror JavaScript files (library, mit, web)
ghcjs-dom library: DOM library that supports both GHCJS and GHC (library, mit, web)
ghcjs-dom-hello library and program: GHCJS DOM Hello World, an example package (library, mit, program, web)
ghcjs-dom-javascript : DOM library using JSFFI and GHCJS (mit, web)
ghcjs-dom-jsaddle library: DOM library that supports both GHCJS and GHC using jsaddle (library, mit, web)
ghcjs-dom-jsffi : DOM library using JSFFI and GHCJS (mit, web)
ghcjs-dom-webkit library: DOM library that supports both GHCJS and WebKitGTK (library, mit, web)
ghcjs-fetch library: GHCJS bindings for the JavaScript Fetch API (bsd3, library, web)
ghcjs-hplay library: Client-side web EDSL for transient nodes running in the web browser (library, mit, web)
ghcjs-perch library: GHCJS version of Perch library. (library, mit, web)
ghcjs-promise library: Bidirectional bidings to javascript's promise. (bsd3, data, library)
ghcjs-vdom library: Virtual-dom bindings for GHCJS (library, mit, web)
ghcjs-websockets library: Deprecated: use ghcjs-base's native websockets (deprecated, library, mit, web)
ghcjs-xhr library: XmlHttpRequest ("AJAX") bindings for GHCJS (bsd3, library, web)
ghclive library and program: Interactive Haskell interpreter in a browser. (application, bsd3, compilers-interpreters, library, program, web)
ghcprofview program: GHC .prof files viewer (bsd3, development, program)
ghcup library, tests and benchmark: ghc toolchain installer (lgpl, library, system)
ghczdecode program: Decode Z-encoded strings from GHC (bsd3, development, program)
gherkin library and test: Parser for a language similar to Cucumber's Gherkin (language, library)
ghost-buster library and test: Existential type utilites (bsd3, data, library)
ghostscript-parallel program: Let Ghostscript render pages in parallel (bsd3, graphics, program)
ght library and program: Trivial routines for inspecting git repositories (development, library, program)
gi-adwaita library: Adwaita bindings (bindings, lgpl, library)
gi-atk library: Atk bindings (bindings, lgpl, library)
gi-ayatana-appindicator3 library: libayatana-appindicator3 bindings (bindings, lgpl, library)
gi-cairo library: Cairo bindings (bindings, lgpl, library)
gi-cairo-again library: Bridge between packages gi-* and cairo-core. (bsd3, graphics, library)
gi-cairo-connector library: GI friendly Binding to the Cairo library. (graphics, lgpl, library)
gi-cairo-render library: GI friendly Binding to the Cairo library. (bsd3, graphics, library)
gi-clutter library: clutter GObject bindings (bindings, lgpl, library)
gi-cogl library: COGL GObject bindings (bindings, lgpl, library)
gi-coglpango library: Cogl Pango GObject bindings (bindings, lgpl, library)
gi-dazzle library: libdazzle bindings (bindings, lgpl, library)
gi-dbusmenu library: Dbusmenu bindings (bindings, lgpl, library)
gi-dbusmenugtk3 library: DbusmenuGtk bindings (bindings, lgpl, library)
gi-freetype2 library: freetype2 bindings (bindings, lgpl, library)
gi-gdk library: Gdk bindings (compatibility layer) (bindings, lgpl, library)
gi-gdk3 library: Gdk 3.x bindings (bindings, lgpl, library)
gi-gdk4 library: Gdk bindings (bindings, lgpl, library)
gi-gdkpixbuf library: GdkPixbuf bindings (bindings, lgpl, library)
gi-gdkx11 library: GdkX11 4.x bindings (compatibility layer) (bindings, lgpl, library)
gi-gdkx113 library: GdkX11 3.x bindings (bindings, lgpl, library)
gi-gdkx114 library: GdkX11 4.x bindings (bindings, lgpl, library)
gi-ges library: libges bindings (bindings, lgpl, library)
gi-ggit library: libgit2-glib bindings (bindings, lgpl, library)
gi-gio library: Gio bindings (bindings, lgpl, library)
gi-gio-hs-list-model library: Haskell implementation of GListModel interface from gi-gio (graphics, lgpl, library)
gi-girepository library: GIRepository (gobject-introspection) bindings (bindings, lgpl, library)
gi-glib library: GLib bindings (bindings, lgpl, library)
gi-gmodule library: GModule bindings (bindings, lgpl, library)
gi-gobject library: GObject bindings (bindings, lgpl, library)
gi-graphene library: Graphene bindings (bindings, lgpl, library)
gi-gsk library: Gsk bindings (bindings, lgpl, library)
gi-gst library: GStreamer bindings (bindings, lgpl, library)
gi-gstapp library: GStreamerApp bindings (bindings, lgpl, library)
gi-gstaudio library: GStreamerAudio bindings (bindings, lgpl, library)
gi-gstbase library: GStreamerBase bindings (bindings, lgpl, library)
gi-gstpbutils library: GStreamer Plugins Base Utils bindings (bindings, lgpl, library)
gi-gsttag library: GStreamer Tag bindings (bindings, lgpl, library)
gi-gstvideo library: GStreamerVideo bindings (bindings, lgpl, library)
gi-gtk library: Gtk 4.x bindings (compatibility layer) (bindings, lgpl, library)
gi-gtk-declarative library and test: Declarative GTK+ programming in Haskell (graphics, library, mpl)
gi-gtk-declarative-app-simple library and test: Declarative GTK+ programming in Haskell in the style of Pux. (graphics, library, mpl)
gi-gtk-hs library: A wrapper for gi-gtk, adding a few more idiomatic API parts on top (graphics, lgpl, library)
gi-gtk-layer-shell library: gtk-layer-shell bindings (bindings, lgpl, library)
gi-gtk3 library: Gtk 3.x bindings (bindings, lgpl, library)
gi-gtk4 library: Gtk 4.x bindings (bindings, lgpl, library)
gi-gtk4-layer-shell library: gtk4-layer-shell bindings (bindings, lgpl, library)
gi-gtkosxapplication library: GtkosxApplication bindings (bindings, lgpl, library)
gi-gtksheet library: GtkSheet bindings (bindings, lgpl, library)
gi-gtksource library: GtkSource 5.x bindings (compatibility layer) (bindings, lgpl, library)
gi-gtksource3 library: GtkSource 3.x bindings (bindings, lgpl, library)
gi-gtksource5 library: GtkSource 5.x bindings (bindings, lgpl, library)
gi-handy library: libhandy bindings (bindings, lgpl, library)
gi-harfbuzz library: HarfBuzz bindings (bindings, lgpl, library)
gi-ibus library: IBus bindings (bindings, lgpl, library)
gi-javascriptcore library: JavaScriptCore 6.x bindings (compatibility layer) (bindings, lgpl, library)
gi-javascriptcore4 library: JavaScriptCore 4.x bindings (bindings, lgpl, library)
gi-javascriptcore6 library: JavaScriptCore 6.x bindings (bindings, lgpl, library)
gi-json library: JSON GObject bindings (bindings, lgpl, library)
gi-keybinder library: Libkeybinder bindings (bindings, lgpl, library)
gi-nm library: NM bindings (bindings, lgpl, library)
gi-notify library: Libnotify bindings (bindings, lgpl, library)
gi-ostree library: OSTree bindings (bindings, lgpl, library)
gi-pango library: Pango bindings (bindings, lgpl, library)
gi-pangocairo library: PangoCairo bindings (bindings, lgpl, library)
gi-poppler library: Poppler bindings (bindings, lgpl, library)
gi-rsvg library: librsvg bindings (bindings, lgpl, library)
gi-secret library: Libsecret bindings (bindings, lgpl, library)
gi-soup library: Libsoup 3.x bindings (compatibility layer) (bindings, lgpl, library)
gi-soup2 library: Libsoup 2.4.x bindings (bindings, lgpl, library)
gi-soup3 library: Libsoup 3.x bindings (bindings, lgpl, library)
gi-vips library: libvips GObject bindings (bindings, lgpl, library)
gi-vte library: Vte bindings (bindings, lgpl, library)
gi-webkit library: WebKit 6.x bindings (bindings, lgpl, library)
gi-webkit2 library: WebKit2 bindings (bindings, lgpl, library)
gi-webkit2webextension library: WebKit2-WebExtension 4.x bindings (bindings, lgpl, library)
gi-webkitwebprocessextension library: WebKitWebProcessExtension 6.x bindings (bindings, lgpl, library)
gi-wireplumber library: WirePlumber bindings (bindings, lgpl, library)
gi-wnck library: Wnck bindings (bindings, lgpl, library)
gi-xlib library: xlib bindings (bindings, lgpl, library)
giak program: Fuzzy finder for cabal executables (development, mit, program)
gibberish library, programs, tests and benchmark: Generate easy-to-remember, hard-to-guess passwords (cryptography, library, mit, program)
gibbon program: A compiler for operating on serialized trees. (bsd3, compiler, program)
gigaparsec library, test and benchmark: Refreshed parsec-style library for compatibility with Scala parsley (bsd3, library, text)
gimlh library: Haskell parser for GIML (language, library, mit)
ginger library and test: An implementation of the Jinja2 template language in Haskell (library, mit, text)
ginger2 library, program and test: Jinja templates for Haskell (language, library, mit, program, templates)
gingersnap library and test: Consistent and safe JSON APIs with snap-core and (by default) postgresql-simple (bsd3, library, web)
ginsu program: Ginsu Gale Client (console, deprecated, mit, network, program)
gio library: Binding to GIO (lgpl, library, system)
gipeda program: Git Performance Dashboard (development, mit, program)
giphy-api library and test: Giphy HTTP API wrapper and CLI search tool. (bsd3, library, web)
gist program: A reliable command-line client for gist.github.com (gpl, program, web)
git library and tests: Git operations in haskell (bsd3, development, library)
git-all program: Determine which Git repositories need actions to be taken (bsd3, development, program)
git-annex program: manage files with git, without checking their contents into git (agpl, program, utility)
git-brunch program and test: git checkout command-line tool (bsd3, git, program)
git-checklist program: Maintain per-branch checklists in Git (desktop, development, program)
git-config library and test: A simple parser for Git configuration files (bsd3, git, library)
git-cuk library and program: Haskell Git Helper Tool (cli-tool, git, library, mpl, program)
git-date library and test: Bindings to the date parsing from Git. (data, gpl, library)
git-embed library: Use TH to embed Git repo information. (bsd2, deprecated, git, library)
git-fmt program: Custom git command for formatting code. (bsd3, development, program)
git-freq program and test: A Git subcommand to show total addition, deletion per file (bsd3, program, unclassified)
git-gpush program: More intelligent push-to-GitHub utility. (bsd3, development, program)
git-jump program: Move a git branch (bsd3, development, program)
git-lfs library: git-lfs protocol (agpl, library, network)
git-mediate program: Tool to help resolving git conflicts (development, gpl, program)
git-monitor program: Passively snapshots working tree changes efficiently. (bsd3, development, program)
git-object library: Git object and its parser (bsd3, data, deprecated, library)
git-phoenix library, program and test: Recover Git repositories from disk recovery tool output (photorec) (bsd3, library, program, system)
git-remote-ipfs library and program: Git remote helper to store git objects on IPFS (bsd3, library, network, program)
git-repair program: repairs a damaged git repository (agpl, program, utility)
git-sanity library and program: A sanity checker for your git history. (apache, development, library, program)
git-vogue library, programs and test: A framework for pre-commit checks. (bsd3, development, library, program)
gitHUD library, program and test: More efficient replacement to the great git-radar (bsd3, deprecated, development, library, program)
gitcache program: Simple git utility to use and manage clone cache (bsd3, program, tools)
gitdo program: Create Github issues out of TODO comments in code (mit, program, unclassified)
gitea-api library and test: Auto-generated gitea-api API Client (bsd3, library, web)
githash library and test: Compile git revision info into Haskell projects (bsd3, development, library)
github library and test: Access to the GitHub API, v3. (bsd3, library, network)
github-actions library and test: Github Actions (bsd3, language, library)
github-app-token library and tests: Generate an installation access token for a GitHub App (http, library, mit)
github-backup programs: backs up everything github knows about a repository, to the repository (gpl, program, utility)
github-data library: Access to the GitHub API, v3. (bsd3, deprecated, library, network)
github-post-receive library: GitHub webhooks library (bsd3, library, web)
github-release library and program: Upload files to GitHub releases. (library, mit, program, utility)
github-rest library and test: Query the GitHub REST API programmatically (bsd3, github, library)
github-tools library, programs and test: Various Github helper utilities. (development, gpl, library, program)
github-types library and test: Type definitions for objects used by the GitHub v3 API (github, library)
github-utils library: Useful functions that use the GitHub API (bsd3, library, network)
github-webhook-handler library: GitHub WebHook Handler (github, library, mit)
github-webhook-handler-snap library: GitHub WebHook Handler implementation for Snap (github, library, mit)
github-webhooks library and test: Aeson instances for GitHub webhook payloads. (github, library, mit)
github-workflow-commands library and tests: GitHub Actions workflow commands (github, library, mit)
githud library, programs and test: Heads up, and you see your GIT context (bsd3, development, library, program)
gitignore program: Apply GitHub .gitignore templates to already existing repositories. (bsd3, development, program)
gitignore-ospath library and test: Library for reading .gitignore files and filtering paths (apache, development, library)
gitit library and programs: Wiki using happstack, git or darcs, and pandoc. (library, network, program)
gitlab-api library and test: Gitlab Web API (bsd3, deprecated, library, web)
gitlab-haskell library and test: A Haskell library for the GitLab web API (bsd3, git, library)
gitlib library: API library for working with Git repositories (ffi, library, mit)
gitlib-cmdline library and test: Gitlib repository backend that uses the git command-line tool. (git, library, mit)
gitlib-cross library and test: Run tests between repositories (deprecated, ffi, library, mit)
gitlib-libgit2 library and test: Libgit2 backend for gitlib (ffi, library, mit)
gitlib-s3 library and test: Gitlib repository backend for storing Git objects in Amazon S3 (git, library, mit)
gitlib-sample library: Sample backend for gitlib showing the basic structure for any backend. (deprecated, ffi, library, mit)
gitlib-test library: Test library for confirming gitlib backend compliance (ffi, library, mit)
gitlib-utils library: Generic utility functions for working with Git repositories (deprecated, ffi, library, mit)
gitrev library: Compile git revision info into Haskell projects (bsd3, development, library)
gitrev-typed library and test: Compile git revision info into Haskell projects (bsd3, development, library)
gitson library, tests and benchmark: A document store library for Git + JSON. (database, deprecated, git, json, library, public-domain)
gitter library: Gitter.im API client (api, bsd3, library, network)
givegif library, program and test: CLI Giphy search tool with previews in iTerm 2 (bsd3, console, library, program)
gjk library and test: Gilbert-Johnson-Keerthi (GJK) collision detection algorithm (graphics, library, mit)
gjk2d library and test: (bsd3, graphics, library)
gl library: Complete OpenGL raw bindings (bsd3, graphics, library)
gl-block library, test and benchmark: OpenGL standard memory layouts (graphics, library)
gl-capture library: simple image capture from OpenGL (bsd3, graphics, library)
gl3w library: Haskell bindings for the gl3w library. (graphics, library, mit)
glabrous library and test: A template DSL library (bsd3, library, text, web)
glade library: Binding to the glade library. (graphics, lgpl, library)
gladexml-accessor library: Automagically declares getters for widget handles in specified interface file. (bsd3, gui, library)
glambda library, program and test: A simply typed lambda calculus interpreter, written with GADTs (bsd3, compilers-interpreters, library, program)
glapp library and program: An OpenGL micro framework. (deprecated, gpl, graphics, library, program)
glasso library: Graphical Lasso algorithm (bsd3, library, math)
glaze library: Framework for rendering things with metadata/headers and values (bsd3, library, text)
glazier library and test: Extensible effects using ContT, State and variants. (bsd3, gui, library)
glazier-pipes library: A threaded rendering framework using glaizer and pipes (bsd3, deprecated, frp, library)
glazier-react library: ReactJS binding using Glazier.Command. (bsd3, gui, library, web)
glazier-react-examples program: Examples of using glazier-react (bsd3, deprecated, gui, program, web)
glazier-react-widget library: Generic widget library using glazier-react (bsd3, gui, library, web)
glean library, programs and tests: A system for collecting, deriving and working with facts about source code. (bsd3, library, program, unclassified)
glean-hs library, program and test: Docker-free Haskell code indexing via Rust-native Glean substrate (development, language, library, mit, program)
glean-lsp program: Generic Glean-based LSP Server (bsd3, program, unclassified)
glfw-group library and test: GLFW package with window groups destroyed together (bsd3, graphics, library)
gli library, program and test: Tiny cli to fetch PR info from gitlab (bsd3, cli, library, program)
glib library: Binding to the GLIB library for Gtk2Hs. (lgpl, library, system)
glib-stopgap library and test: Stopgap package of binding for GLib (bsd3, library, system)
glicko library and test: Glicko-2 implementation in Haskell. (gpl, library, math)
glider-nlp library and test: Natural Language Processing library (bsd3, library, nlp, text)
glintcollider program: A simple ray tracer in an early stage of development. (bsd3, graphics, program)
glirc library, program and test: Console IRC client (library, network, program)
gll library: GLL parser with simple combinator interface (bsd3, compilers, library)
glob-imports library, program and test: Import modules for metaprogramming (bsd3, library, metaprogramming, program)
glob-posix library, test and benchmark: Haskell bindings for POSIX glob library. (library, system)
global library: Library enabling unique top-level declarations (bsd3, data, language, library, system)
global-config library and test: Global mutable configuration (bsd3, configuration, library)
global-lock library: A global lock implemented without unsafePerformIO (bsd3, concurrency, library, system)
global-variables library: Namespaced, global, and top-level mutable variables without unsafePerformIO. (bsd3, data, library, reflection)
globus library: Globus Data Transfer (bsd3, data, library, science, system)
glome-hs library and program: ray tracer (graphics, library, program)
gloss library: Painless 2D vector graphics, animations and simulations. (graphics, library, mit)
gloss-accelerate library: Extras to interface Gloss and Accelerate (accelerate, bsd3, graphics, library)
gloss-algorithms library: Data structures and algorithms for working with 2D graphics. (graphics, library, mit)
gloss-banana library: An Interface for gloss in terms of a reactive-banana Behavior. (gpl, graphics, library)
gloss-devil library: Display images in Gloss using libdevil for decoding (bsd3, graphics, library)
gloss-examples programs: Examples using the gloss library (graphics, mit, program)
gloss-export library, program and test: Export Gloss pictures to png, bmp, tga, tiff, gif and juicy-pixels-image (graphics, library, mit, program)
gloss-game library: Gloss wrapper that simplifies writing games (bsd3, game, graphics, library)
gloss-juicy library and program: Load any image supported by Juicy.Pixels in your gloss application (bsd3, graphics, library, program)
gloss-raster library: Parallel rendering of raster images. (graphics, library, mit)
gloss-raster-accelerate library: Parallel rendering of raster images using Accelerate (accelerate, bsd3, graphics, library)
gloss-raster-massiv library and test: Massiv-based alternative for gloss-raster (bsd3, graphics, library)
gloss-relative library and programs: Painless relative-sized pictures in Gloss. (bsd3, graphics, library, program)
gloss-rendering library: Gloss picture data types and rendering functions. (graphics, library, mit)
gloss-sodium library: A Sodium interface to the Gloss drawing package. (agpl, graphics, library)
glpk-headers library and test: Low-level Haskell bindings to the GLPK library (bsd3, library, math)
glpk-hs library and program: Comprehensive GLPK linear programming bindings (bsd3, library, math, program)
glsl library, program and test: Parser and optimizer for a small subset of GLSL (bsd3, graphics, library, program)
gltf-codec library and test: glTF scene loader (bsd3, graphics, library)
gltf-loader library, program and test: High level GlTF loader (graphics, library, mit, program)
glualint library and tests: Attempts to fix your syntax erroring Lua files. (language, lgpl, library)
glue library, program and test: Make better services. (bsd3, deprecated, library, network, program)
glue-common library and test: Make better services and clients. (bsd3, library, network)
glue-core library and test: Make better services and clients. (bsd3, library, network)
glue-ekg library and test: Make better services and clients. (bsd3, library, network)
glue-example program: Make better services and clients. (bsd3, network, program)
gluturtle library: turtle like LOGO with glut (bsd3, library, teaching)
gmail-simple library: Simple library for Google Mail (GMail). (bsd3, email, google, library)
gmap library: Composable maps and generic tries. (bsd3, data-structures, library)
gmndl program: Mandelbrot Set explorer using GTK (gpl, graphics, program)
gmpint library: GMP integer conversions (bsd3, c, deprecated, ffi, foreign, library)
gnome-desktop program: Randomly set a picture as the GNOME desktop background (program, utility)
gnome-keyring library: Bindings for libgnome-keyring (desktop, gpl, library)
gnomevfs library: Binding to the GNOME Virtual File System library. (library, system)
gnss-converters library, programs and test: GNSS Converters. (bsd3, library, network, program)
gnuidn library and test: Bindings for GNU IDN (codec, gpl, library, text)
gnuplot library: 2D and 3D plots using gnuplot (bsd3, graphics, library, math)
gnutls library: Bindings for GNU libgnutls (gpl, library, network)
goa library: GHCi bindings to lambdabot (bsd3, library, system)
goal-core library and benchmarks: Common, non-geometric tools for use with Goal (bsd3, library, math)
goal-geometry library: The basic geometric type system of Goal (bsd3, library, math)
goal-graphical library and benchmark: Optimization of latent variable and dynamical models with Goal (bsd3, library, math)
goal-probability library and benchmarks: Optimization on manifolds of probability distributions with Goal (bsd3, library, math)
goal-simulation library and programs: Mealy based simulation tools (bsd3, library, math, program)
goat library and test: Time Series Compression (codec, library)
goatee library and test: A monadic take on a 2,500-year-old board game - library. (agpl, game, library)
goatee-gtk library, program and test: A monadic take on a 2,500-year-old board game - GTK+ UI. (agpl, game, library, program)
gochan library, programs and test: Go-style channels (concurrency, library, mit, program)
godot-haskell library: Haskell bindings for the Godot game engine API (bsd3, library, web)
godot-megaparsec library and program: Megaparsec parser for Godot `tscn` and `gdextension` files. (bsd3, library, program)
gofer-prelude library: The Gofer 2.30 standard prelude (bsd3, data, library)
goggles library and test: Extensible interface to Web APIs (bsd3, library, network)
goggles-gcs library: `goggles` interface to Google Cloud Storage (bsd3, library, network)
gogol library: Comprehensive Google Services SDK. (google, library, mpl)
gogol-abusiveexperiencereport library: Google Abusive Experience Report SDK. (google, library, mpl)
gogol-acceleratedmobilepageurl library: Google Accelerated Mobile Pages (AMP) URL SDK. (google, library, mpl)
gogol-accessapproval library: Google Access Approval SDK. (google, library, mpl)
gogol-accesscontextmanager library: Google Access Context Manager SDK. (google, library, mpl)
gogol-adexchange-buyer library: Google Ad Exchange Buyer SDK. (google, library, mpl)
gogol-adexchange-seller library: Google Ad Exchange Seller SDK. (google, library, mpl)
gogol-adexchangebuyer2 library: Google Ad Exchange Buyer API II SDK. (google, library, mpl)
gogol-adexperiencereport library: Google Ad Experience Report SDK. (google, library, mpl)
gogol-admin-datatransfer library: Google Admin SDK. (google, library, mpl)
gogol-admin-directory library: Google Admin SDK. (google, library, mpl)
gogol-admin-emailmigration library: Google Email Migration API v2 SDK. (cloud, google, library, network)
gogol-admin-reports library: Google Admin SDK. (google, library, mpl)
gogol-adsense library: Google AdSense Management SDK. (google, library, mpl)
gogol-adsense-host library: Google AdSense Host SDK. (google, library, mpl)
gogol-affiliates library: Google Affiliate Network SDK. (cloud, google, library, network)
gogol-alertcenter library: Google Workspace Alert Center SDK. (google, library, mpl)
gogol-analytics library: Google Analytics SDK. (google, library, mpl)
gogol-analyticsreporting library: Google Analytics Reporting SDK. (google, library, mpl)
gogol-android-enterprise library: Google Play EMM SDK. (google, library, mpl)
gogol-android-publisher library: Google Play Android Developer SDK. (google, library, mpl)
gogol-androiddeviceprovisioning library: Google Android Device Provisioning Partner SDK. (google, library, mpl)
gogol-androidmanagement library: Google Android Management SDK. (google, library, mpl)
gogol-appengine library: Google App Engine Admin SDK. (google, library, mpl)
gogol-apps-activity library: Google Drive Activity SDK. (google, library, mpl)
gogol-apps-calendar library: Google Calendar SDK. (google, library, mpl)
gogol-apps-licensing library: Google Enterprise License Manager SDK. (google, library, mpl)
gogol-apps-reseller library: Google Workspace Reseller SDK. (google, library, mpl)
gogol-apps-tasks library: Google Tasks SDK. (google, library, mpl)
gogol-appstate library: Google App State SDK. (google, library, mpl)
gogol-autoscaler library: Google Compute Engine Autoscaler SDK. (cloud, google, library, network)
gogol-bigquery library: Google BigQuery SDK. (google, library, mpl)
gogol-bigquerydatatransfer library: Google BigQuery Data Transfer SDK. (google, library, mpl)
gogol-bigtableadmin library: Google Cloud Bigtable Admin SDK. (google, library, mpl)
gogol-billing library: Google Cloud Billing SDK. (google, library, mpl)
gogol-binaryauthorization library: Google Binary Authorization SDK. (google, library, mpl)
gogol-blogger library: Google Blogger SDK. (google, library, mpl)
gogol-books library: Google Books SDK. (google, library, mpl)
gogol-chat library: Google Chat SDK. (google, library, mpl)
gogol-civicinfo library: Google Civic Information SDK. (google, library, mpl)
gogol-classroom library: Google Classroom SDK. (google, library, mpl)
gogol-cloudasset library: Google Cloud Asset SDK. (google, library, mpl)
gogol-clouderrorreporting library: Google Error Reporting SDK. (google, library, mpl)
gogol-cloudfunctions library: Google Cloud Functions SDK. (google, library, mpl)
gogol-cloudidentity library: Google Cloud Identity SDK. (google, library, mpl)
gogol-cloudiot library: Google Cloud IoT SDK. (google, library, mpl)
gogol-cloudkms library: Google Cloud Key Management Service (KMS) SDK. (google, library, mpl)
gogol-cloudmonitoring library: Google Cloud Monitoring SDK. (cloud, google, library, network)
gogol-cloudprivatecatalog library: Google Cloud Private Catalog SDK. (google, library, mpl)
gogol-cloudprivatecatalogproducer library: Google Cloud Private Catalog Producer SDK. (google, library, mpl)
gogol-cloudprofiler library: Google Cloud Profiler SDK. (google, library, mpl)
gogol-cloudscheduler library: Google Cloud Scheduler SDK. (google, library, mpl)
gogol-cloudsearch library: Google Cloud Search SDK. (google, library, mpl)
gogol-cloudshell library: Google Cloud Shell SDK. (google, library, mpl)
gogol-cloudtasks library: Google Cloud Tasks SDK. (google, library, mpl)
gogol-cloudtrace library: Google Cloud Trace SDK. (google, library, mpl)
gogol-commentanalyzer library: Google Perspective Comment Analyzer SDK. (google, library, mpl)
gogol-composer library: Google Cloud Composer SDK. (google, library, mpl)
gogol-compute library: Google Compute Engine SDK. (google, library, mpl)
gogol-consumersurveys library: Google Consumer Surveys SDK. (google, library, mpl)
gogol-container library: Google Kubernetes Engine SDK. (google, library, mpl)
gogol-containeranalysis library: Google Container Analysis SDK. (google, library, mpl)
gogol-containerbuilder library: Google Cloud Build SDK. (google, library, mpl)
gogol-core library and test: Core data types and functionality for Gogol libraries. (google, library, mpl)
gogol-customsearch library: Google Custom Search SDK. (google, library, mpl)
gogol-dataflow library: Google Dataflow SDK. (google, library, mpl)
gogol-datafusion library: Google Cloud Data Fusion SDK. (google, library, mpl)
gogol-dataproc library: Google Cloud Dataproc SDK. (google, library, mpl)
gogol-datastore library: Google Cloud Datastore SDK. (google, library, mpl)
gogol-debugger library: Google Cloud Debugger API (Deprecated) SDK. (google, library, mpl)
gogol-deploymentmanager library: Google Cloud Deployment Manager V2 SDK. (google, library, mpl)
gogol-dfareporting library: Google Campaign Manager 360 SDK. (google, library, mpl)
gogol-dialogflow library: Google Dialogflow SDK. (google, library, mpl)
gogol-digitalassetlinks library: Google Digital Asset Links SDK. (google, library, mpl)
gogol-discovery library: Google API Discovery Service SDK. (google, library, mpl)
gogol-dlp library: Google Sensitive Data Protection (DLP) SDK. (google, library, mpl)
gogol-dns library: Google Cloud DNS SDK. (google, library, mpl)
gogol-docs library: Google Docs SDK. (google, library, mpl)
gogol-doubleclick-bids library: Google DoubleClick Bid Manager SDK. (google, library, mpl)
gogol-doubleclick-search library: Google Search Ads 360 SDK. (google, library, mpl)
gogol-drive library: Google Drive SDK. (google, library, mpl)
gogol-driveactivity library: Google Drive Activity SDK. (google, library, mpl)
gogol-factchecktools library: Google Fact Check Tools SDK. (google, library, mpl)
gogol-file library: Google Cloud Filestore SDK. (google, library, mpl)
gogol-firebase-dynamiclinks library: Google Firebase Dynamic Links SDK. (google, library, mpl)
gogol-firebase-rules library: Google Firebase Rules SDK. (google, library, mpl)
gogol-firebasehosting library: Google Firebase Hosting SDK. (google, library, mpl)
gogol-firebaseremoteconfig library: Google Firebase Remote Config SDK. (google, library, mpl)
gogol-firestore library: Google Cloud Firestore SDK. (google, library, mpl)
gogol-fitness library: Google Fitness SDK. (google, library, mpl)
gogol-fonts library: Google Web Fonts Developer SDK. (google, library, mpl)
gogol-freebasesearch library: Google Freebase Search SDK. (cloud, google, library, network)
gogol-fusiontables library: Google Fusion Tables SDK. (google, library, mpl)
gogol-games library: Google Play Game Services SDK. (google, library, mpl)
gogol-games-configuration library: Google Play Game Services Publishing SDK. (google, library, mpl)
gogol-games-management library: Google Play Game Management SDK. (google, library, mpl)
gogol-genomics library: Google Genomics SDK. (google, library, mpl)
gogol-gmail library: Google Gmail SDK. (google, library, mpl)
gogol-groups-migration library: Google Groups Migration SDK. (google, library, mpl)
gogol-groups-settings library: Google Groups Settings SDK. (google, library, mpl)
gogol-healthcare library: Google Cloud Healthcare SDK. (google, library, mpl)
gogol-iam library: Google Identity and Access Management (IAM) SDK. (google, library, mpl)
gogol-iamcredentials library: Google IAM Service Account Credentials SDK. (google, library, mpl)
gogol-iap library: Google Cloud Identity-Aware Proxy SDK. (google, library, mpl)
gogol-identity-toolkit library: Google Identity Toolkit SDK. (google, library, mpl)
gogol-indexing library: Google Web Search Indexing SDK. (google, library, mpl)
gogol-jobs library: Google Cloud Talent Solution SDK. (google, library, mpl)
gogol-kgsearch library: Google Knowledge Graph Search SDK. (google, library, mpl)
gogol-language library: Google Cloud Natural Language SDK. (google, library, mpl)
gogol-latencytest library: Google Cloud Network Performance Monitoring SDK. (cloud, google, library, network)
gogol-libraryagent library: Google Library Agent SDK. (google, library, mpl)
gogol-logging library: Google Cloud Logging SDK. (google, library, mpl)
gogol-manufacturers library: Google Manufacturer Center SDK. (google, library, mpl)
gogol-maps-coordinate library: Google Maps Coordinate SDK. (cloud, google, library, network)
gogol-maps-engine library: Google Maps Engine SDK. (cloud, google, library, network)
gogol-mirror library: Google Mirror SDK. (google, library, mpl)
gogol-ml library: Google AI Platform Training & Prediction SDK. (google, library, mpl)
gogol-monitoring library: Google Cloud Monitoring SDK. (google, library, mpl)
gogol-oauth2 library: Google OAuth2 SDK. (google, library, mpl)
gogol-oslogin library: Google Cloud OS Login SDK. (google, library, mpl)
gogol-pagespeed library: Google PageSpeed Insights SDK. (google, library, mpl)
gogol-partners library: Google Partners SDK. (google, library, mpl)
gogol-people library: Google People SDK. (google, library, mpl)
gogol-photoslibrary library: Google Photos Library SDK. (cloud, google, library, network)
gogol-play-moviespartner library: Google Play Movies Partner SDK. (google, library, mpl)
gogol-playcustomapp library: Google Play Custom App Publishing SDK. (google, library, mpl)
gogol-plus library: Google + SDK. (google, library, mpl)
gogol-plus-domains library: Google + Domains SDK. (google, library, mpl)
gogol-poly library: Google Poly SDK. (google, library, mpl)
gogol-prediction library: Google Prediction SDK. (cloud, google, library, network)
gogol-proximitybeacon library: Google Proximity Beacon SDK. (google, library, mpl)
gogol-pubsub library: Google Cloud Pub/Sub SDK. (google, library, mpl)
gogol-qpxexpress library: Google QPX Express SDK. (google, library, mpl)
gogol-recaptcha-enterprise library: Google reCAPTCHA Enterprise SDK. (google, library, mpl)
gogol-redis library: Google Cloud Memorystore for Redis SDK. (google, library, mpl)
gogol-remotebuildexecution library: Google Remote Build Execution SDK. (google, library, mpl)
gogol-replicapool library: Google Replica Pool SDK. (google, library, mpl)
gogol-replicapool-updater library: Google Compute Engine Instance Group Updater SDK. (google, library, mpl)
gogol-resourcemanager library: Google Cloud Resource Manager SDK. (google, library, mpl)
gogol-resourceviews library: Google Compute Engine Instance Groups SDK. (cloud, google, library, network)
gogol-run library: Google Cloud Run Admin SDK. (google, library, mpl)
gogol-runtimeconfig library: Google Cloud Runtime Configuration SDK. (google, library, mpl)
gogol-safebrowsing library: Google Safe Browsing SDK. (google, library, mpl)
gogol-script library: Google Apps Script SDK. (google, library, mpl)
gogol-searchconsole library: Google Search Console SDK. (google, library, mpl)
gogol-securitycenter library: Google Security Command Center SDK. (google, library, mpl)
gogol-servicebroker library: Google Service Broker SDK. (google, library, mpl)
gogol-serviceconsumermanagement library: Google Service Consumer Management SDK. (google, library, mpl)
gogol-servicecontrol library: Google Service Control SDK. (google, library, mpl)
gogol-servicemanagement library: Google Service Management SDK. (google, library, mpl)
gogol-servicenetworking library: Google Service Networking SDK. (google, library, mpl)
gogol-serviceusage library: Google Service Usage SDK. (google, library, mpl)
gogol-serviceuser library: Google Service User SDK. (google, library, mpl)
gogol-sheets library: Google Sheets SDK. (google, library, mpl)
gogol-shopping-content library: Google Content API for Shopping SDK. (google, library, mpl)
gogol-siteverification library: Google Site Verification SDK. (google, library, mpl)
gogol-slides library: Google Slides SDK. (google, library, mpl)
gogol-sourcerepo library: Google Cloud Source Repositories SDK. (google, library, mpl)
gogol-spanner library: Google Cloud Spanner SDK. (google, library, mpl)
gogol-spectrum library: Google Spectrum Database SDK. (google, library, mpl)
gogol-speech library: Google Cloud Speech-to-Text SDK. (google, library, mpl)
gogol-sqladmin library: Google Cloud SQL Admin SDK. (google, library, mpl)
gogol-storage library: Google Cloud Storage JSON SDK. (google, library, mpl)
gogol-storage-transfer library: Google Storage Transfer SDK. (google, library, mpl)
gogol-streetviewpublish library: Google Street View Publish SDK. (google, library, mpl)
gogol-surveys library: Google Surveys SDK. (google, library, mpl)
gogol-tagmanager library: Google Tag Manager SDK. (google, library, mpl)
gogol-taskqueue library: Google TaskQueue SDK. (cloud, google, library, network)
gogol-testing library: Google Cloud Testing SDK. (google, library, mpl)
gogol-texttospeech library: Google Cloud Text-to-Speech SDK. (google, library, mpl)
gogol-toolresults library: Google Cloud Tool Results SDK. (google, library, mpl)
gogol-tpu library: Google Cloud TPU SDK. (google, library, mpl)
gogol-tracing library: Google Tracing SDK. (google, library, mpl)
gogol-translate library: Google Cloud Translation SDK. (google, library, mpl)
gogol-urlshortener library: Google URL Shortener SDK. (google, library, mpl)
gogol-useraccounts library: Google Cloud User Accounts SDK. (cloud, google, library, network)
gogol-vault library: Google Vault SDK. (google, library, mpl)
gogol-videointelligence library: Google Cloud Video Intelligence SDK. (google, library, mpl)
gogol-vision library: Google Cloud Vision SDK. (google, library, mpl)
gogol-webmaster-tools library: Google Search Console SDK. (google, library, mpl)
gogol-websecurityscanner library: Google Web Security Scanner SDK. (google, library, mpl)
gogol-youtube library: Google YouTube Data API v3 SDK. (google, library, mpl)
gogol-youtube-analytics library: Google YouTube Analytics SDK. (google, library, mpl)
gogol-youtube-reporting library: Google YouTube Reporting SDK. (google, library, mpl)
goldplate library, program and test: A lightweight golden test runner (apache, language, library, program)
golds-gym library and tests: Golden testing framework for performance benchmarks (library, mit, testing)
gooey library: Graphical user interfaces that are renderable, change over time and eventually produce a value. (control, library, mit)
google-cloud library: Client for the Google Cloud APIs (google, library, mit)
google-cloud-common library and test: GCP Client for Haskell (library, mit, web)
google-cloud-compute library and test: GCP Client for Haskell (library, mit, web)
google-cloud-logging library and test: GCP Client for Haskell (library, mit, web)
google-cloud-pubsub library and test: GCP Pub/Sub Client for Haskell (library, mit, web)
google-cloud-storage library and test: GCP Client for Haskell (library, mit, web)
google-dictionary library: Simple interface to the google.com/dictionary API (bsd3, data, deprecated, library)
google-drive library and test: Google Drive API access (library, mit, unclassified)
google-html5-slide program: Google HTML5 Slide generator (bsd3, program, web)
google-isbn library: (bsd3, library, text, web)
google-mail-filters library and test: Write GMail filters and output to importable XML (bsd3, data, library, web, xml)
google-maps-geocoding library: Bindings to the Google Geocoding API (formerly Maps Geocoding API) (bsd3, library, web)
google-oauth2 library and test: Google OAuth2 token negotiation (library, mit, unclassified)
google-oauth2-easy library, test and benchmark: Opininated use of Google Authentication for ease (bsd3, library, network)
google-oauth2-for-cli library and test: Get Google OAuth2 token for CLI tools (bsd3, library, web)
google-oauth2-jwt library: Get a signed JWT for Google Service Accounts (bsd3, google, library)
google-search library: EDSL for Google and GMail search expressions (bsd3, language, library, text, web)
google-server-api library: Google APIs for server to server applications (library, mit, web)
google-static-maps library: Bindings to the Google Maps Static API (formerly Static Maps API) (bsd3, library, web)
google-translate library: Google Translate API bindings (bsd3, library, web)
googleplus library: Haskell implementation of the Google+ API v1 (bsd3, library, web)
googlepolyline library and test: Google Polyline Encoder/Decoder (data, library, mit, text)
gopher-proxy program: proxy gopher over http (gpl, network, program)
gopherbot program: Spidering robot to download files from Gopherspace (network, program)
gopro-plus library and test: GoPro Plus Client API. (bsd3, library, web)
gore-and-ash library: Core of FRP game engine called Gore&Ash (bsd3, game, library)
gore-and-ash-actor library: Gore&Ash engine extension that implements actor style of programming (bsd3, game, library)
gore-and-ash-async library and test: Core module for Gore&Ash engine that embeds async IO actions into game loop. (bsd3, game, library)
gore-and-ash-demo programs: Demonstration game for Gore&Ash game engine (bsd3, game, program)
gore-and-ash-glfw library: Core module for Gore&Ash engine for GLFW input events (bsd3, game, library)
gore-and-ash-lambdacube library: Core module for Gore&Ash engine that do something. (bsd3, game, library)
gore-and-ash-logging library: Core module for gore-and-ash with logging utilities (bsd3, game, library)
gore-and-ash-network library: Core module for Gore&Ash engine with low level network API (bsd3, game, library)
gore-and-ash-sdl library: Gore&Ash core module for integration with SDL library (bsd3, game, library)
gore-and-ash-sync library: Gore&Ash module for high level network synchronization (bsd3, library, web)
gothic library: A Haskell Vault KVv2 secret engine client (bsd3, database, devops, library, security)
gotta-go-fast program: A command line utility for practicing typing (application, bsd3, program)
gotyno-hs library, program and test: A type definition compiler supporting multiple output languages. (bsd2, compiler, library, program)
gpah program: Generic Programming Use in Hackage (bsd3, generics, program)
gpcsets library: Generalized Pitch Class Sets for Haskell. (bsd3, data, library)
gpio library and program: Haskell GPIO interface, designed specifically for the RaspberryPi. (bsd3, hardware, library, program)
gpmf library, program and test: (bsd3, library, program, unclassified)
gpolyline library: Pure module for encoding/decoding Google Polyline (bsd3, graphics, library)
gps library and test: For manipulating GPS coordinates and trails. (bsd3, data, library)
gps2htmlReport library and program: GPS to HTML Summary Report (bsd3, data, library, program)
gpu-vulkan library and test: Vulkan library (bsd3, gpu, library)
gpu-vulkan-core library and test: Thin wrapper for Vulkan API (bsd3, gpu, library)
gpu-vulkan-core-khr-surface library and test: Thin wrapper for VK_KHR_surface extension of the Vulkan API (bsd3, gpu, library)
gpu-vulkan-core-khr-swapchain library and test: Thin wrapper for VK_KHR_swapchain extension of the Vulkan API (bsd3, gpu, library)
gpu-vulkan-khr-surface library and test: VK_KHR_surface extension of the Vulkan API (bsd3, gpu, library)
gpu-vulkan-khr-surface-glfw library and test: GLFW surface for Vulkan (bsd3, gpu, library)
gpu-vulkan-khr-swapchain library and test: VK_KHR_swapchain extension of the Vulkan API (bsd3, gpu, library)
gpu-vulkan-middle library and test: Medium wrapper for Vulkan API (bsd3, gpu, library)
gpu-vulkan-middle-khr-surface library and test: medium wrapper for VK_KHR_surface extension of the Vulkan API (bsd3, gpu, library)
gpu-vulkan-middle-khr-surface-glfw library and test: medium wrapper for GLFW surface for the Vulkan API (bsd3, gpu, library)
gpu-vulkan-middle-khr-swapchain library and test: medium wrapper for VK_KHR_swapchain extension of the Vulkan API (bsd3, gpu, library)
gpx-conduit library: Read GPX files using conduits (bsd3, data, library)
grab library, test and benchmarks: Applicative non-linear consumption (control, library, mit)
grab-form library and test: Applicative parsers for form parameter lists (library, mit, text)
graceful library and test: Library to write graceful shutdown / upgrade service. (bsd3, library, system)
grafana library and test: API for creating grafana dashboards represented as json (bsd3, graphics, library, tooling)
grafdhall program: Configure grafana dashboards from Dhall expression (apache, program, system)
graflog library and test: Monadic correlated log events (bsd3, library, logging)
grakn library and tests: A Haskell client for Grakn (apache, database, graphs, library)
grammar-combinators library: A parsing library of context-free grammar combinators. (library, parsing)
grammatical-parsers library, programs, tests and benchmark: parsers that combine into grammars (bsd3, library, parsing, program, text)
granite library, program and test: Easy terminal plotting. (graphics, library, mit, program)
grapefruit-examples library: Examples using the Grapefruit library (bsd3, frp, gui, library, reactivity, user-interfaces)
grapefruit-frp library: Functional Reactive Programming core (bsd3, frp, library, reactivity)
grapefruit-records library: A record system for Functional Reactive Programming (bsd3, data, frp, library, reactivity)
grapefruit-ui library: Declarative user interface programming (bsd3, frp, gui, library, reactivity, user-interfaces)
grapefruit-ui-gtk library: GTK+-based backend for declarative user interface programming (bsd3, frp, gui, library, reactivity, user-interfaces)
grapesy library, tests and benchmark: Native Haskell implementation of the gRPC framework (bsd3, library, network)
grapesy-etcd library: grapesy-etcd - GRPC interface to etcd (apache, library, unclassified)
graph library and test: Class of graphs (bsd3, data, library)
graph-core library and test: Fast, memory efficient and persistent graph implementation (data, library, mit)
graph-generators library, program and test: Functions for generating structured or random FGL graphs (algorithms, apache, graphs, library, program)
graph-matchings library: An implementation of algorithms for matchings in graphs (data-structures, graphs, lgpl, library)
graph-rewriting library: Monadic graph rewriting of hypergraphs with ports and multiedges (bsd3, graphs, library)
graph-rewriting-cl program: Interactive graph rewriting system implementing various well-known combinators (application, bsd3, deprecated, graphs, program)
graph-rewriting-gl library: OpenGL interface for interactive port graph rewriting (bsd3, graphics, graphs, library)
graph-rewriting-lambdascope program: Lambdascope, an optimal evaluator of the lambda calculus (application, bsd3, compilers-interpreters, program)
graph-rewriting-layout library: Force-directed node placement intended for incremental graph drawing (bsd3, graphics, graphs, library)
graph-rewriting-ski programs: Two interactive evalutors of the SKI combinator calculus (application, bsd3, compilers-interpreters, program)
graph-rewriting-strategies library: Evaluation strategies for port-graph rewriting systems (bsd3, graphs, library)
graph-rewriting-trs program: Interactive evaluation of first-order applicative term rewrite systems (application, bsd3, compilers-interpreters, program)
graph-rewriting-ww program: Interactive evaluator of the lambda-calculus with explicit sharing (application, bsd3, compilers-interpreters, program)
graph-serialize library: Serialization of data structures with references. (bsd3, library, system)
graph-trace library: Trace the call graph of a program (debug, development, graph, library, mit, plugin, tooling)
graph-trace-dot library and program: Converts a graph-trace log into a DOT file for use with Graphviz (debug, development, graph, library, mit, plugin, program, tooling)
graph-trace-viz program: Converts a graph-trace log into an HTML document (debug, development, graph, mit, plugin, program, tooling)
graph-utils library: A simple wrapper & quasi quoter for fgl. (bsd3, data, data-structures, graphs, library)
graph-visit library: Graph walk abstraction (bsd3, development, library)
graph-wrapper library and test: A wrapper around the standard Data.Graph with a less awkward interface (bsd3, data-structures, graphs, library)
graphbuilder library and test: A declarative, monadic graph construction language for small graphs (data, library, mit)
graphene library: A minimal Graph Theory library. (data, library, mit)
graphics-drawingcombinators library: A functional interface to 2D drawing in OpenGL (bsd3, graphics, library)
graphics-formats-collada library: Load 3D geometry in the COLLADA format (bsd3, graphics, library)
graphicsFormats library: Classes for renderable objects. (bsd3, graphics, library)
graphicstools library and program: Tools for creating graphical UIs, based on wxHaskell. (bsd3, graphics, library, program)
graphite library, test and benchmark: Graphs and networks library (bsd3, data-structures, graphs, library)
graphmod library and program: Present the module dependencies of a program as a "dot" graph. (bsd3, development, library, program)
graphmod-plugin library and program: A reimplementation of graphmod as a source plugin (bsd3, library, program, unclassified)
graphql library and test: Haskell GraphQL implementation (language, library)
graphql-api library, programs, tests and benchmark: GraphQL API (library, program, web)
graphql-client library, program and test: A client for Haskell programs to query a GraphQL API (bsd3, graphql, library, program)
graphql-spice library and test: GraphQL with batteries (language, library, mpl)
graphql-utils library: GraphQL Utils (bsd3, data, graphql, library, utils)
graphql-w-persistent library: GraphQL interface middleware for SQL databases. (data, database, development, graphs, language, library)
graphs library: A simple monadic graph library (algorithms, bsd3, data-structures, graphs, library)
graphted library: Graph indexed monads. (bsd3, comonads, control, library, monads)
graphtype program: A simple tool to illustrate dependencies between Haskell types (bsd3, program, text)
graphula library and test: A simple interface for generating persistent data and linking its dependencies (library, mit, network)
graphula-core library and test: A declarative library for describing dependencies between data (deprecated, library, mit, network)
graphviz library, test and benchmark: Bindings to Graphviz for graph visualisation. (bsd3, graphics, graphs, library)
graphwiz library, program and test: Monadic DOT graph builder DSL (bsd3, data, library, program, text)
graql library and test: Execute Graql queries on a Grakn graph (apache, database, graphs, library)
grasp library, program and test: GRASP implementation for the AMMM project. (bsd3, development, library, program)
gravatar library and tests: Generate Gravatar image URLs (library, mit, unclassified)
gray-code library and test: Gray code encoder/decoder. (bsd3, codec, library)
gray-extended library and test: Gray encoding schemes (bsd3, library, math)
graylog library and test: Support for graylog output. (library, web)
greencard library and program: GreenCard, a foreign function pre-processor for Haskell. (bsd3, foreign, library, program)
greencard-lib library: A foreign function interface pre-processor library for Haskell (bsd3, development, library)
greenclip program: Simple clipboard manager to be integrated with rofi (bsd3, linux-desktop, program)
greg-client library: A scalable distributed logger with a high-precision global time axis. (bsd3, library, logging)
gremlin-haskell library, program and test: Graph database client for TinkerPop3 Gremlin Server (bsd3, database, library, program)
grenade library, test and benchmarks: Practical Deep Learning in Haskell (ai, bsd2, library, machine-learning)
greplicate library and test: Generalised replicate functions (data, library)
greskell library and tests: Haskell binding for Gremlin graph query language (bsd3, data, library)
greskell-core library and test: Haskell binding for Gremlin graph query language - core data types and tools (bsd3, data, library)
greskell-websocket library and test: Haskell client for Gremlin Server using WebSocket serializer (bsd3, library, network)
grfn library, program, test and benchmark: Uniformly-random pre-factored numbers (Kalai) (algorithm, bsd3, library, numbers, program, random)
grid library and test: Tools for working with regular grids (graphs, lattices). (bsd3, library, math)
grid-proto library and programs: Game engine for Prototyping on a Grid (bsd3, game, library, program)
gridbounds library and test: Collision detection for GridBox (graphics, library, mit)
gridbox library and test: A grid box model (graphics, library, mit)
gridfs library: GridFS (MongoDB file storage) implementation (database-, library)
gridland library: Grid-based multimedia engine (game, library, mit)
grids library, test and benchmark: (bsd3, data-structures, library)
gridtables library and test: Parser for reStructuredText-style grid tables. (library, mit, text)
grisette library and tests: Symbolic evaluation as a library (bsd3, formal-methods, library, smt, symbolic-computation, theorem-provers)
grisette-monad-coroutine library and test: Support for monad-coroutine package with Grisette (bsd3, formal-methods, library, smt, symbolic-computation, theorem-provers)
grm library and program: grm grammar converter (bsd3, development, library, program)
groan library and test: ugh, another growable vector library? (data, data-structures, library, mpl)
groom library and program: Pretty printing for well-behaved Show instances. (bsd3, library, program, text)
groot library, program and test: Command line utility to manage AWS ECS resources (apache, aws, cloud, library, program)
gross library and program: A spoof on gloss for terminal animation (graphics, library, mit, program)
groundhog library: Type-safe datatype-database mapping library. (bsd3, database, library)
groundhog-converters library and test: Extended Converter Library for groundhog embedded types (bsd3, database, groundhog, groundhog------------------------, library)
groundhog-inspector library and program: Type-safe datatype-database mapping library. (bsd3, database, library, program)
groundhog-mysql library: MySQL backend for the groundhog library. (bsd3, database, library)
groundhog-postgresql library: PostgreSQL backend for the groundhog library. (bsd3, database, library)
groundhog-sqlite library: Sqlite3 backend for the groundhog library (bsd3, database, library)
groundhog-th library: Type-safe datatype-database mapping library. (bsd3, database, library)
group-by-date program: Shell command for grouping files by dates into folders (bsd3, console, program)
group-theory library: The theory of groups (algebra, bsd3, groups, library, math, permutations)
group-with library and test: Classify objects by key-generating function, like SQL GROUP BY (apache, data, library)
groupBy library, test and benchmark: Replacement definition of Data.List.GroupBy (data, library, mit)
grouped-list library, tests and benchmark: Grouped lists. Equal consecutive elements are grouped. (bsd3, data, library)
groupoid library: A Groupoid class (bsd3, data, deprecated, library)
groupoids library: This package has been absorbed into semigroupoids 4.0 (bsd3, categories, control, deprecated, library)
groups library: Groups (algebra, bsd3, data, library, math)
groups-generic library: Generically derive Group instances. (algebra, bsd3, library, math)
grow-vector library and test: Mutable vector with efficient appends (data, library, mit)
growable-vector library and test: A contiguous growable array type. (data, library, mit)
growler library: A revised version of the scotty library that attempts to be simpler and more performant. (library, mit, web)
grpc-api-etcd library: Generated messages and instances for etcd gRPC. (bsd3, grpc, library)
grpc-etcd-client library: gRPC client for etcd (bsd3, distributed-computing, library)
grpc-haskell library, test and benchmark: Haskell implementation of gRPC layered on shared C library. (apache, library, network)
grpc-haskell-core library and test: Haskell implementation of gRPC layered on shared C library. (apache, library, network)
grpc-spec library and test: Implementation of the pure part of the gRPC spec (bsd3, library, network)
gruff library and program: fractal explorer GUI using the ruff library (gpl, graphics, library, program)
gruff-examples programs: Mandelbrot Set examples using ruff and gruff (gpl, graphics, program)
gruvbox-colors library: Gruvbox colors for use in Haskell (graphics, library, mit)
gsasl library: Bindings for GNU libgsasl (gpl, library, network)
gsc-weighting library: Generic implementation of Gerstein/Sonnhammer/Chothia weighting. (bsd3, clustering, library)
gscholar-rss program: scrapes google scholar, provides RSS feed (gpl, program, utils, web)
gsl-random library: Bindings the the GSL random number generation facilities. (bsd3, library, math)
gsl-random-fu library: Instances for using gsl-random with random-fu (library, math, public-domain)
gsmenu program: A visual generic menu (bsd3, program, tools)
gssapi library: libgssapi and libkrb5 bindings for haskell (bsd3, library, network)
gssapi-wai library: WAI Middleware for SPNEGO authentiaction (bsd3, library, network)
gstorable library and test: Generic implementation of Storable (bsd3, data, library)
gstreamer library: Binding to the GStreamer open source multimedia framework. (lgpl, library, media)
gt-tools program: Console and GUI interface for Google Translate service (program, tools)
gtfs library: The General Transit Feed Specification format (bsd3, data, library)
gtfs-realtime library: GTFS RealTime protobafs library (autogenerated from .proto file) (bsd3, data, library)
gtk library: Binding to the Gtk+ graphical user interface library. (graphics, lgpl, library)
gtk-helpers library: A collection of auxiliary operations and widgets related to Gtk+ (bsd3, graphics, library)
gtk-jsinput library: A simple custom form widget for gtk which allows inputing of JSON values (gpl, graphics, library)
gtk-largeTreeStore library and test: Large TreeStore support for gtk2hs (data-structures, graphics, lgpl, library)
gtk-mac-integration library: Bindings for the Gtk/OS X integration library. (graphics, lgpl, library)
gtk-scaling-image library: Generic GTK image scaling helpers for haskell-gi (bsd3, graphics, library)
gtk-serialized-event library: GTK+ Serialized event. (graphics, lgpl, library)
gtk-simple-list-view library: A simple custom form widget for gtk which allows single LOC creation/updating of list views. (gpl, graphics, library)
gtk-sni-tray library, program and test: A standalone StatusNotifierItem/AppIndicator tray (bsd3, library, program, system)
gtk-strut library: Library for creating strut windows with gi-gtk (bsd3, library, system)
gtk-toggle-button-list library: A simple custom form widget for gtk which allows single LOC creation/updating of toggle button lists. (gpl, graphics, library)
gtk-toy library: Convenient Gtk canvas with mouse and keyboard input. (bsd3, graphics, gui, library)
gtk-traymanager library: A wrapper around the eggtraymanager library for Linux system trays (graphics, lgpl, library)
gtk2hs-buildtools library and programs: Tools to build the Gtk2Hs suite of User Interface libraries. (development, gpl, library, program)
gtk2hs-cast-glade library: A type class for cast functions of Gtk2hs: glade package (gui, library)
gtk2hs-cast-glib library: A type class for cast functions of Gtk2hs: glib package (gui, library)
gtk2hs-cast-gnomevfs library: A type class for cast functions of Gtk2hs: gnomevfs package (gui, library)
gtk2hs-cast-gtk library: A type class for cast functions of Gtk2hs: gtk package (gui, library)
gtk2hs-cast-gtkglext library: A type class for cast functions of Gtk2hs: gtkglext package (gui, library)
gtk2hs-cast-gtksourceview2 library: A type class for cast functions of Gtk2hs: gtksourceview2 package (gui, library)
gtk2hs-cast-th library: A type class for cast functions of Gtk2hs: TH package (gui, library)
gtk2hs-hello program: Gtk2Hs Hello World, an example package (graphics, mit, program)
gtk2hs-rpn library: Adds a module to gtk2hs allowing layouts to be defined using reverse polish notation. (gui, library)
gtk3 library: Binding to the Gtk+ 3 graphical user interface library (graphics, lgpl, library)
gtk3-helpers library: A collection of auxiliary operations and widgets related to Gtk (bsd3, graphics, library)
gtk3-mac-integration library: Bindings for the Gtk/OS X integration library. (graphics, lgpl, library)
gtkglext library: Binding to the GTK+ OpenGL Extension (graphics, lgpl, library)
gtkimageview library: Binding to the GtkImageView library. (graphics, lgpl, library)
gtkrsync programs: Gnome rsync progress display (network, program)
gtksourceview2 library: Binding to the GtkSourceView library. (graphics, lgpl, library)
gtksourceview3 library: Binding to the GtkSourceView library. (graphics, lgpl, library)
gtvm-hs library and program: Various tools for reversing and using assets from Golden Time: Vivid Memories. (data, library, mit, program)
guarded-allocation library: Memory allocation with added stress tests and integrity checks (bsd3, debug, library)
guarded-rewriting library: Datatype-generic rewriting with preconditions (bsd3, generics, library)
guardian library, program and test: The border guardian for your package dependencies (bsd3, development, library, program)
guess-combinator library: Generate simple combinators given their type (bsd3, development, library)
guid library and test: A simple wrapper around uuid (base, library, mit)
gulcii program: graphical untyped lambda calculus interactive interpreter (compilers-interpreters, gpl, program)
gutenberg-fibonaccis library: The first 1001 Fibonacci numbers, retrieved from the Gutenberg Project. (algorithms, gpl, library, math, numeric, numerical)
gvti library and program: GraphViz Tabular Interface (graphics, library, mit, program)
gw program: ghcWithPackages cmdline util (bsd3, program, utility)
gyah-bin program: A binary version of GiveYouAHead (giveyouahead, mit, program)
gym-hs library, program and test: Haskell bindings for OpenAI Gymnasium (ai, library, machine-learning, mit, program, reinforcement-learning)
gym-http-api library and program: REST client to the gym-http-api project (learning-environments, library, mit, program, web)
h-booru library and program: Haskell library for retrieving data from various booru image sites (gpl, library, program, web)
h-gpgme library and test: High Level Binding for GnuPG Made Easy (gpgme) (cryptography, library, mit)
h-raylib library: Raylib bindings for Haskell (apache, graphics, library)
h-reversi library, program and test: Reversi game in haskell/blank-canvas (game, library, mit, program)
h2048 library, programs and test: An Implementation of Game 2048 (game, library, mit, program)
h2c library: Bindings to Linux I2C with support for repeated-start transactions. (library, mit, system)
h3-hs library and test: A Haskell binding for H3 (bsd3, geography, library)
h3spec program: QUIC (bsd3, program, web)
hArduino library: Control your Arduino board from Haskell. (bsd3, hardware, library)
hBDD library: An abstraction layer for BDD libraries (data, library)
hBDD-CMUBDD library: An FFI binding to CMU/Long's BDD library (data, library)
hBDD-CUDD library: An FFI binding to the CUDD library (data, library)
hCM library, program and test: Conceptual modelling support for Haskell (data-structures, development, library, mit, model, program)
hCsound library: interface to CSound API (library, music, sound)
hDFA library: A simple library for representing and minimising DFAs. (bsd3, data, library)
hF2 library: F(2^e) math for cryptography (bsd3, cryptography, deprecated, library)
hGelf library: Haskell GELF library (bsd3, library, network)
hLLVM library and program: A library for analyzing and transforming LLVM (3.5) assembly codes (bsd3, compilers-interpreters, library, program)
hMPC library, program and test: Multiparty Computation in Haskell (bsd3, cryptography, library, program)
hMollom library: Library to interact with the @Mollom anti-spam service (bsd3, library, network)
hOff-display library and program: The tool to transform the OFF to other image format. (gpl, graphics, library, program)
hOff-parser library: The parser to parser the OFF(Object File Format, Princeton ModelNet). (gpl, library, text)
hOpenPGP library, test and benchmark: native Haskell implementation of OpenPGP (RFC9580) (codec, data, library, mit)
hPDB library: Protein Databank file format library (bioinformatics-, bsd3, library)
hPDB-examples programs and test: Examples for hPDB library (bioinformatics-, bsd3, program)
hPushover library: Pushover.net API functions (bsd3, library, saas)
hR library: R bindings and interface (bsd3, deprecated, foreign, library, math)
hRESP library: haskell implementation of RESP (REdis Serialization Protocol). (bsd3, database, library)
hS3 library and program: Interface to Amazon's Simple Storage Service (S3) (bsd3, library, network, program, web)
hScraper library: A Haskell library to scrape and crawl web-pages (bsd3, library, web)
hSimpleDB library: Interface to Amazon's SimpleDB service. (bsd3, database, library, network, web)
hTalos library and test: Parser, print and manipulate structures in PDB file format. (bioinformatics-, bsd3, library)
hTensor library: Multidimensional arrays and simple tensor computations. (bsd3, library, math)
hVOIDP library and program: Optimal variable selection in chain graphical model. (ai, library, program)
hXmixer program: A Gtk mixer GUI application for FreeBSD (bsd3, program, sound)
haal library, programs, test and benchmark: A Haskell library for Active Automata Learning. (bsd3, library, model-learning, program)
haal-models library: Pre-built Mealy automaton models for haal. (bsd3, library, model-learning)
haar library and test: Haar wavelet transforms (bsd3, library, math)
habit library and program: Haskell message bot framework (bsd3, library, program, web)
hable library: customizable pretty printer library for tables (console, library, public-domain)
hablo library, program and test: A minimalist static blog generator (bsd3, library, program, web)
hablog library and program: A blog system (library, mit, program, web)
hacanon-light library: Template Haskell framework for automatic FFI code generation. (bsd3, ffi-tools, library)
hack library: a Haskell Webserver Interface (bsd3, deprecated, library, web)
hack-contrib library: Hack contrib (bsd3, deprecated, library, web)
hack-contrib-press library: Hack helper that renders Press templates (library, text, web)
hack-frontend-happstack library: hack-frontend-happstack (bsd3, deprecated, library, web)
hack-frontend-monadcgi library: Allows programs written against MonadCGI to run with any hack handler. (deprecated) (bsd3, deprecated, library, web)
hack-handler-cgi library: Hack handler using CGI protocol. (deprecated) (bsd3, deprecated, library, web)
hack-handler-epoll library: hack handler implementation using epoll (library, web)
hack-handler-evhttp library: Hack EvHTTP (libevent) Handler (library, web)
hack-handler-fastcgi library: Hack handler direct to fastcgi (deprecated) (bsd3, deprecated, library, web)
hack-handler-happstack library: Hack Happstack server handler (bsd3, deprecated, library, web)
hack-handler-hyena library: Hyena hack handler (bsd3, deprecated, library, web)
hack-handler-kibro library: Hack Kibro handler (deprecated, library, web)
hack-handler-simpleserver library: A simplistic HTTP server handler for Hack. (deprecated) (bsd3, deprecated, library, web)
hack-middleware-cleanpath library: Applies some basic redirect rules to get cleaner paths. (deprecated) (bsd3, deprecated, library, web)
hack-middleware-clientsession library: Middleware for easily keeping session data in client cookies. (deprecated) (bsd3, deprecated, library, web)
hack-middleware-gzip library: Automatic gzip compression of responses. (deprecated) (bsd3, deprecated, library, web)
hack-middleware-jsonp library: Automatic wrapping of JSON responses to convert into JSONP. (deprecated) (bsd3, deprecated, library, web)
hack2 library: a Haskell Webserver Interface (V2) (bsd3, library, web)
hack2-contrib library: Hack2 contrib (bsd3, library, web)
hack2-contrib-extra library: Hack2 contrib extra (bsd3, library, web)
hack2-handler-happstack-server library: Hack2 Happstack server handler (bsd3, library, web)
hack2-handler-mongrel2-http library: Hack2 Mongrel2 HTTP handler (bsd3, library, web)
hack2-handler-snap-server library: Hack2 Snap server handler (bsd3, library, web)
hack2-handler-warp library: Hack2 warp handler (bsd3, library, web)
hack2-interface-wai library: Hack2 interface to WAI (bsd3, library, web)
hackage-api library and test: An API binding to Hackage API (bsd3, distribution, library)
hackage-cli library, program and test: CLI tool for Hackage (development, gpl, library, program)
hackage-db library: Access cabal-install's Hackage database via Data.Map (bsd3, distribution, library)
hackage-diff program: Compare the public API of different versions of a Hackage library (distribution, mit, program)
hackage-mirror library and program: Simple mirroring utility for Hackage (distribution, library, mit, program)
hackage-plot program: Generate cumulative graphs of hackage uploads (bsd3, distribution, program)
hackage-processing program: Process 00-index.tar.gz from Hackage (bsd3, distribution, program)
hackage-proxy program: Provide a proxy for Hackage which modifies responses in some way. (deprecated) (deprecated, development, mit, program)
hackage-publish program: No frills releasing to Hackage (mit, program, web)
hackage-repo-tool program: Manage secure file-based package repositories (bsd3, distribution, program)
hackage-revdeps library and programs: List Hackage reverse dependencies (bsd3, development, library, program)
hackage-security library and test: Hackage security library (bsd3, distribution, library)
hackage-security-HTTP library: Hackage security bindings against the HTTP library (bsd3, distribution, library)
hackage-server test: The Hackage web server (bsd3, distribution)
hackage-sparks program: Generate sparkline graphs of hackage statistics (bsd3, distribution, program)
hackage-whatsnew program: Check for differences between working directory and hackage (bsd3, distribution, program)
hackage2hwn program: Convert Hackage RSS feeds to wiki format for publishing on Haskell.org (bsd3, distribution, program)
hackage2twitter program: Send new Hackage releases to Twitter (bsd3, distribution, program, web)
hackager program: Hackage testing tool (bsd3, compiler, ghc, program, testing)
hackernews library and program: API for Hacker News (library, mit, program, web)
hackertyper program: "Hack" like a programmer in movies and games! (game, mit, program)
hackmanager library and program: Generate useful files for Haskell projects (bsd3, development, library, program)
hackport library, program and test: Hackage and Portage integration tool (distribution, gpl, library, program)
hactor library: Lightweight Erlang-style actors for Haskell. (concurrency, library, mit)
hactors library: Practical actors for Haskell. (concurrency, library, mit)
haddock program and tests: A documentation-generation tool for Haskell libraries (bsd3, documentation, program)
haddock-api library and test: A documentation-generation tool for Haskell libraries (bsd2, documentation, library)
haddock-cheatsheet library: A documentation-only package exemplifying haddock markup features (documentation, library, mit)
haddock-leksah program: A documentation-generation tool for Haskell libraries (bsd3, deprecated, development, program)
haddock-library library and tests: Library exposing some functionality of Haddock. (bsd2, documentation, library)
haddock-test library: Test utilities for Haddock (bsd3, deprecated, documentation, library)
haddock-use-refs library and test: Eliminate warnings for names referred in Haddock only (bsd3, development, library)
haddocset program: Generate docset of Dash by Haddock haskell documentation tool (bsd3, distribution, program)
hadolint library and test: Dockerfile Linter JavaScript API (development, gpl, library)
hadoop-formats library and test: Read/write file formats commonly used by Hadoop. (apache, data, library)
hadoop-rpc library: Use the Hadoop RPC interface from Haskell. (apache, data, library)
hadoop-streaming library and test: A simple Hadoop streaming library (bsd3, cloud, distributed-computing, library, mapreduce)
hadoop-tools program and test: Fast command line tools for working with Hadoop. (apache, data, program)
haeredes program: Confirm delegation of NS and MX records (agpl, dns, program, utils)
hafar library and test: Affine arithmetic library for Haskell (bsd3, library, numeric)
haggis library and program: A static site generator with blogging/comments support (library, mit, program, web)
haggle library and test: A graph library offering mutable, immutable, and inductive graphs (bsd3, data-structures, graphs, library)
haha library and program: A simple library for creating animated ascii art on ANSI terminals. (bsd3, graphics, library, program)
hahp library and program: Analytic Hierarchy Process (agpl, library, math, program)
haiji library and test: A typed template engine, subset of jinja2 (bsd3, library, text)
hail program: A service for pull-based continuous deployment based on hydra. (apache, program, system)
hailgun library: Mailgun REST api interface for Haskell. (library, mit, network)
hailgun-send program: A program to send emails throught the Mailgun api. (mit, network, program)
hailgun-simple library: Easy-to-use wrapper for the hailgun package (bsd3, library, mail)
hails library, program and test: Multi-app web platform framework (library, mit, program, web)
hails-bin program: Dynamic launcher of Hails applications (deprecated, gpl, program, web)
hairy library, program, test and benchmark: A JSON REST API (deprecated, library, mit, program, web)
hakaru library, programs and test: A probabilistic programming language (bsd3, language, library, program)
hake library and program: make tool. ruby : rake = haskell : hake (development, library, program)
hakismet library: Akismet spam protection library (library, mit, web)
hakka library and program: Minimal akka-inspired actor library (concurrency, library, mit, program)
hako library and test: A mako-like quasi-quoter template library (bsd3, library, text)
hakyll library, program and test: A static website compiler library (bsd3, library, program, web)
hakyll-R library: A package allowing to write Hakyll blog posts in Rmd (bsd3, deprecated, library, web)
hakyll-agda library: Wrapper to integrate literate Agda files with Hakyll (bsd3, library, web)
hakyll-alectryon library: Hakyll extension for rendering Coq code using Alectryon (library, mit, text, web)
hakyll-blaze-templates library: Blaze templates for Hakyll (bsd3, deprecated, library, web)
hakyll-contrib library and program: Extra modules for the hakyll website compiler (bsd3, library, program, web)
hakyll-contrib-csv library and test: Generate Html tables from Csv files (bsd3, library, web)
hakyll-contrib-elm library and program: Compile Elm code for inclusion in Hakyll static site. (bsd3, library, program, web)
hakyll-contrib-hyphenation library: automatic hyphenation for Hakyll (library, mit, web)
hakyll-contrib-i18n library and program: A Hakyll library for internationalization. (hakyll, i18n, library, program, web)
hakyll-contrib-links library and test: A hakyll library that helps maintain a separate links database. (bsd3, hakyll, library, web)
hakyll-convert library, program and tests: Convert from other blog engines to Hakyll. (bsd3, library, program, tools)
hakyll-dhall library and program: Dhall compiler for Hakyll (bsd3, library, program, web)
hakyll-diagrams library and test: A Hakyll plugin for rendering diagrams figures from embedded Haskell code. (bsd3, library, web)
hakyll-dir-list library: Allow Hakyll to create hierarchical menues from directories. (bsd3, library, web)
hakyll-elm library: Hakyll wrapper for the Elm compiler. (bsd3, library, web)
hakyll-favicon library, program and test: (bsd3, library, program, web)
hakyll-filestore library: FileStore utilities for Hakyll (library, public-domain, web)
hakyll-images library and test: Hakyll utilities to work with images (bsd3, library, web)
hakyll-ogmarkup library: Integrate ogmarkup document with Hakyll (deprecated, library, mit, web)
hakyll-process library: Hakyll compiler for arbitrary external processes. (bsd3, library, web)
hakyll-sass library: Hakyll SASS compiler over hsass (library, mit, web)
hakyll-series library: Adds series functionality to hakyll (library, mit, web)
hakyll-shakespeare library: Hakyll Hamlet compiler (library, mit, web)
hakyll-shortcode library and test: A shortcode extension module for Hakyll (gpl, library, web)
hakyll-shortcut-links library and test: Use shortcut-links in markdown file for Hakyll (hakyll, library, markdown, mpl, web)
hakyll-typescript library and test: Typescript and javascript hakyll compilers. (bsd3, library, web)
hakyllbars library, program and test: A Hakyll compiler for Handlebars-like templates (bsd3, library, program, web)
hal library and test: A runtime environment for Haskell applications running on AWS Lambda. (aws, bsd3, library, web)
halberd library, program and test: A tool to generate missing import statements for Haskell modules. (bsd3, development, library, program)
half library and test: Half-precision floating-point (bsd3, library, numeric)
half-space library: Additive monoids generalising vector spaces (gpl, library, math)
halfs library and program: The HAskelL File System ("halfs" -- intended for use on the HaLVM) (bsd3, library, program, system)
halfsplit library: A library to provide special kind of two-column output for Phladiprelio. (PhLADiPreLiO, data, language, library, mit)
halide-JuicyPixels library and test: Integration between Halide and JuicyPixels (bsd3, language, library)
halide-arrayfire library and test: Integration between Halide and ArrayFire (bsd3, language, library)
halide-haskell library, programs and test: Haskell bindings to Halide (bsd3, language, library, program)
halipeto library: Haskell Static Web Page Generator (deprecated, library, text)
halive library, program and tests: A live recompiler (bsd2, development, library, program)
hall-symbols library and tests: Symmetry operations generater of Hall Symbols (bsd3, chemistry, library)
halma library and test: Library implementing Halma rules (game, library, mit)
halma-gui program: GTK application for playing Halma (game, mit, program)
halma-telegram-bot program: Telegram bot for playing Halma (game, mit, program)
haltavista program: looks for functions given a set of example input/outputs (development, gpl, program)
halves library and test: Split or combine data structures to and from halves, quarters, eighths (bsd3, data, library)
halvm-web program: A simple, static HaLVM web server (bsd3, program, web)
ham library, program and test: (library, program, unclassified)
hamid library: Binding to the OS level Midi services (fork of system-midi). (bsd3, library, sound, system)
hamilton library and program: Physics on generalized coordinate systems using Hamiltonian Mechanics and AD (bsd3, library, physics, program)
hamlet library: Haml-like template files that are compile-time checked (deprecated) (deprecated, library, mit, web, yesod)
hampp program: Haskell macro preprocessor (preprocessor, program, public-domain)
hamsql library, program and test: Interpreter for SQL-structure definitions in YAML (YamSql) (database, gpl, library, program)
hamtmap library: A purely functional and persistent hash map (bsd3, data-structures, library)
hamtsolo program: Intel AMT serial-over-lan (SOL) client (bsd3, network, program)
hamusic library and programs: Library to handle abstract music (bsd3, library, music, program)
han2zen library and test: Convert Halfwidth Katakana to Fullwidth Katakana. (bsd3, library, text)
hanabi-dealer library: Hanabi card game (bsd3, game, library)
hanalyze library and test: A general-purpose statistical analysis, optimization and visualization toolkit (bsd3, library, machine-learning, math, numeric, statistics)
hanalyze-bayes library: Bayesian layer of hanalyze: HBM DSL, MCMC samplers, model comparison (bsd3, library, machine-learning, math, numeric, statistics)
hanalyze-cli program: hanalyze command-line interface for the hanalyze toolkit (bsd3, machine-learning, math, numeric, program, statistics)
hanalyze-core library: Bottom layer of hanalyze: stats, tests, optimisation, MCMC core (bsd3, library, machine-learning, math, numeric, statistics)
hanalyze-design library: Design-of-experiments layer of hanalyze (DoE / MSA) (bsd3, library, machine-learning, math, numeric, statistics)
hanalyze-frame library: Data I/O layer of hanalyze: loaders, cleaning, tidy wrangling (bsd3, library, machine-learning, math, numeric, statistics)
hanalyze-models library: Model layer of hanalyze: regression, ML, survival, causal (bsd3, library, machine-learning, math, numeric, statistics)
hanalyze-plot library and test: Static-plot integration for hanalyze (toPlot / Plottable) (bsd3, library, machine-learning, math, numeric, statistics)
hanalyze-viz library: Vega-Lite visualization and HTML report layer of hanalyze (bsd3, library, machine-learning, math, numeric, statistics)
handa-data library: This package is deprecated. It formerly contained Haskell utilities for data structures and data manipulation. (data, library, mit)
handa-gdata library and program: Library and command-line utility for accessing Google services and APIs. (library, mit, network, program)
handa-geodata library and programs: Geographic and Geometric Data (data, geography, geometry, library, mit, program)
handa-opengl library: Utility functions for OpenGL and GLUT (graphics, library, mit)
handle-like library: HandleLike class (bsd3, common-parts, library)
handsy library and test: A DSL to describe common shell operations and interpeters for running them locally and remotely. (bsd3, library, system)
handwriting library, program and test: API Client for the handwriting.io API. (bsd3, library, network, program)
hangman program: Hangman implementation in Haskell written in two hours. (game, mit, program)
hannahci program: Simple Continuous Integration/Deployment System (agpl, development, program)
hans library and test: Network Stack (bsd3, library, networking)
hans-pcap library: Driver for real ethernet devices for HaNS (bsd3, library, networking)
hans-pfq library: Driver for real ethernet devices for HaNS (bsd3, library, networking)
hanspell library, program and test: Korean spell checker (korean, language, library, mit, program, spellchecker)
haphviz library and test: Graphviz code generation with Haskell (library, mit, text)
hapistrano library, program and test: A deployment library for Haskell applications (library, mit, program, system)
happindicator library: Binding to the appindicator library. (graphics, lgpl, library)
happindicator3 library: Binding to the appindicator library. (gui, lgpl, library)
happlets library: "Haskell Applets" provides an event handler and a canvas for building simple GUI apps. (game, gui, library)
happlets-lib-gtk library and test: The "Haskell Applets" Gtk+ ver. 2 back-end for "happlets". (game, gui, library)
happraise program: A small program for counting the comments in haskell source (bsd3, development, program)
happs-hsp library: (bsd3, library, unclassified)
happs-hsp-template library: Utilities for using HSP templates in HAppS applications. (bsd3, library, web)
happs-tutorial program: A Happstack Tutorial that is its own web 2.0-type demo. (bsd3, program, web)
happstack library: The haskell application server stack + code generation (bsd3, deprecated, distributed-computing, library, web)
happstack-auth library: A Happstack Authentication Suite (bsd3, library, web)
happstack-authenticate library: Happstack Authentication Library (bsd3, library, web)
happstack-clientsession library: client-side session data (bsd3, happstack, library, web)
happstack-contrib library: Web related tools and services. (bsd3, distributed-computing, library, web)
happstack-data library: Happstack data manipulation libraries (bsd3, deprecated, distributed-computing, library, web)
happstack-dlg library: Cross-request user interactions for Happstack (bsd3, library, web)
happstack-facebook library: A package for building Facebook applications using Happstack (bsd3, deprecated, language, library, web)
happstack-fastcgi library: Happstack extension for use with FastCGI. (bsd3, library, web)
happstack-fay library: Support for using Fay with Happstack (bsd3, happstack, library)
happstack-fay-ajax library: Support for using Fay with Happstack (bsd3, happstack, library)
happstack-foundation library: Glue code for using Happstack with acid-state, web-routes, reform, and HSP (bsd3, happstack, library)
happstack-hamlet library: Support for Hamlet HTML templates in Happstack (bsd3, happstack, library, web)
happstack-heist library: Support for using Heist templates in Happstack (bsd3, happstack, library, web)
happstack-helpers library: Convenience functions for Happstack. (bsd3, distributed-computing, library)
happstack-hsp library: Support for using HSP templates in Happstack (bsd3, happstack, library, web)
happstack-hstringtemplate library: Support for using HStringTemplate in Happstack (bsd3, happstack, library, web)
happstack-ixset library: Efficient relational queries on Haskell sets. (bsd3, deprecated, distributed-computing, library, web)
happstack-jmacro library: Support for using JMacro with Happstack (bsd3, happstack, library, web)
happstack-lite library: Happstack minus the useless stuff (bsd3, happstack, library, web)
happstack-monad-peel library: monad-peel instances for Happstack types (bsd3, happstack, library, web)
happstack-plugins library: The haskell application server stack + reload (bsd3, happstack, library, web)
happstack-server test: Web related tools and services. (bsd3, happstack, web)
happstack-server-tls library: extend happstack-server with https:// support (TLS/SSL) (bsd3, happstack, library, web)
happstack-server-tls-cryptonite library: Extend happstack-server with native HTTPS support (TLS/SSL) (bsd3, happstack, library, web)
happstack-state library: Event-based distributed state. (bsd3, deprecated, distributed-computing, library, web)
happstack-static-routing library: Support for static URL routing with overlap detection for Happstack. (bsd3, distributed-computing, library, web)
happstack-util library: Web framework (bsd3, deprecated, distributed-computing, library, web)
happstack-yui library: Utilities for using YUI3 with Happstack. (bsd3, deprecated, happstack, library, web)
happy program and test: Happy is a parser generator for Haskell (bsd2, development, program)
happy-arbitrary library and test: Token list generator for arbitrary Happy grammars. (data, gpl, library)
happy-dot library, tests and benchmarks: Parser for dot made with happy. (gpl, language, library)
happy-hour library: Generate simple okay-looking bar plots without much effort (graphics, library, mit)
happy-lib library: Happy is a parser generator for Haskell implemented using this library (bsd2, development, library)
happy-meta library: Quasi-quoter for Happy parsers (bsd3, development, library)
happybara library: Acceptance test framework for web applications (development, library, mit)
happybara-webkit library: WebKit Happybara driver (development, library, mit)
happybara-webkit-server library: WebKit Server binary for Happybara (taken from capybara-webkit) (development, library, mit)
hapstone library and test: Capstone bindings for Haskell (bsd3, disassembler, library)
haquery library: jQuery for Haskell. (bsd3, html, library)
haquil library and test: A Haskell implementation of the Quil instruction set for quantum computing. (language, library, mit)
har library: HAR spec in Haskell (bsd3, data, library)
harchive programs: Networked content addressed backup and restore software. (program, system)
hardware-edsl library: Deep embedding of hardware descriptions with code generation. (bsd3, language, library)
harfbuzz-pure library, programs and benchmark: Pure-functional Harfbuzz language bindings (library, mit, program, text)
harg library and test: Haskell program configuration using higher kinded data (bsd3, cli, hkd, library, options, parsing, system)
hark program: A Gentoo package query tool. (program, system)
harmony library, program and tests: A web service specification compiler that generates implementation and tests. (development, gpl, library, program)
haroonga library: Low level bindings for Groonga. (ffi, lgpl, library)
haroonga-httpd program: Yet another Groonga http server. (lgpl, program, web)
harp library: HaRP allows pattern-matching with regular expressions (bsd3, language, library)
harpie library and program: Haskell array programming. (bsd3, library, math, program)
harpie-numhask library: numhask shim for harpie. (bsd3, library, math)
harpy library: Runtime code generation for x86 machine code (bsd3, code-generation, library)
harvest-api library and test: Bindings for Harvest API (deprecated, library, mit, web)
has library: Entity based records (bsd3, data, library)
has-th library: Template Haskell function for Has records. (bsd3, data, library)
has-transformers library and test: This library 'Has' transformers (effect, library, mit)
hasbolt library, test and benchmark: Haskell driver for Neo4j 3+ (BOLT protocol) (bsd3, database, library)
hasbolt-extras library, program and test: Extras for hasbolt library (bsd3, database, library, program)
hascal library and program: tiny calculator library and command-line program (console, library, math, parsing, program, tools, utility, utils)
hascalam library: Haskell to and from Scalameta (language, library, mit)
hascar library, program and test: Decompress SAPCAR archives (codec, gpl, library, program)
hascard library, program and test: A TUI for reviewing notes using 'flashcards' written with markdown-like syntax. (application, bsd3, library, program)
hascas library and test: Cassandra driver for haskell (database, library)
hascat program: Hascat Web Server (network, program)
hascat-lib library: Hascat Package (library, network)
hascat-setup library and program: Hascat Installation helper (library, network, program)
hascat-system library: Hascat System Package (library, network)
hash library: Hashing tools (bsd3, data, hash, library)
hash-addressed library: Hash-addressed file storage (apache, filesystem, hash, library)
hash-addressed-cli library and program: Hash-addressed file storage app (apache, filesystem, hash, library, program)
hash-cons library and test: Opportunistic hash-consing data structure (bsd3, data-structures, library)
hash-store library: Hash as cache (file, hash, library, mpl)
hash-string library and test: binary strings supporting constant-time base16 and comparisons (apache, cryptography, library)
hash-tree library and test: Merkle Hash Tree (bsd3, data, library)
hashable library and tests: A class for types that can be converted to a hash value (bsd3, data, library)
hashable-accelerate library: A class for types which can be converted into a hash value (accelerate, bsd3, data, library)
hashable-extras library: Higher-rank Hashable (bsd3, data, deprecated, hash, library)
hashable-generics library, test and benchmark: Automatically generates Hashable instances with GHC.Generics. (bsd3, data, library)
hashable-orphans library: Provides instances missing from Hashable. (bsd3, data, library)
hashable-time library and test: Hashable instances for Data.Time (bsd3, data, deprecated, library)
hashabler library: Principled, portable & extensible hashing of data and types, including an implementation of the FNV-1a and SipHash algorithms. (bsd3, data, library)
hashed-storage library: Hashed file storage support code. (bsd3, library, system)
hasherize library and program: Hash digests for files and directories (apache, filesystem, hash, library, program)
hashes library, test and benchmark: Hash functions (data, library, mit)
hashflare library: A library for working with HashFlare.io contracts and hashrates (bsd2, data, library)
hashids library and test: Hashids generates short, unique, non-sequential ids from numbers. (library, mit, web)
hashing library, program and test: A pure haskell library implements several hash algorithms. (cryptography, library, mit, program)
hashmap library: Persistent containers Map and Set based on hashing. (bsd3, data, deprecated, library)
hashmap-io library: A Hashmap on io monad. (bsd3, data, library)
hashmap-throw library: Throw behaviour for hashmap lookup. (data-structures, library, mit)
hashrename program: Rename every file in a directory with his SHA1 hash. (gpl, program, utility)
hashring library and test: Efficient consistent hashing. (bsd3, data, library)
hashtable-benchmark program: Benchmark of hash table implementations (benchmarking, bsd3, performance, program)
hashtables library and test: Mutable hash tables in the ST monad (bsd3, data, library)
hashtables-plus library and benchmark: Extensions for a "hashtables" library (data, data-structures, deprecated, library, mit)
hasim library: Process-Based Discrete Event Simulation library (bsd3, control, library)
hask library: Categories (bsd3, control, library)
hask-home programs: Generate homepages for cabal packages (bsd3, program, unclassified)
hask-redis-mux library and tests: A RESP protocol implementation and multiplexed Redis client library (library, mit, network)
haskades program: Utility to generate bindings for BlackBerry Cascades (program, utility)
haskakafka library, programs and test: Kafka bindings for Haskell (library, m