Suggestions for keyfloat

The following packages have something in common with the package keyfloat. The packages are ordered in decreasing similarity.

Package float: Improved interface for floating objects
Package ctable: Flexible typesetting of table and figure floats using key/value directives
Package floatpag: Different pagestyles on float pages
Package hvfloat: Controlling captions, fullpage and doublepage floats
Package nonfloat: Non-floating table and figure captions
Package nidanfloat: Bottom placement option for double float in two column mode (nidan-kumi)
Package nccfloats: Extensions of the LaTeX float mechanisms
Package caption: Customising captions in floating environments
Package newfloat: Define new floating environments
Package dpfloat: Support for double-page floats
Package rotfloat: Rotate floats
Package stfloats: Commands to control the presentation of floats
Package trivfloat: Quick float definitions in LaTeX
Package easyfig: Simplifying the use of common figures
Package here: Emulation of obsolete package for here floats
Package dblfloatfix: Fixes for twocolumn floats
Package endfloat: Move floats to the end, leaving markers where they belong
Package fewerfloatpages: Reduce the number of unnecessary float pages
Package morefloats: Increase the number of simultaneous LaTeX floats
Package floatrow: Modifying the layout of floats
Package placeins: Control float placement
Package hep-float: Convenience package for float placement
Package rotating: Rotation tools, including rotated full-page floats
Package floatbytocbasic: An enhancement to package float using package tocbasic
Package floatrowbytocbasic: An enhancement to package floatrow using package tocbasic
Package phffullpagefigure: Figures which fill up a whole page
Package topfloat: Move floats to the top of the page
Package photo: A float environment for photographs
Package attachfile2: Attach files into PDF
Package attachfile: Attach arbitrary files to a PDF document
Package pdfmarginpar: Generate marginpar-equivalent PDF annotations