John Trager | Software Engineer

Portfolio of John Trager, a systems-focused software engineer building high-performance tools.

Latest posts

Learn about John with LLMs.

Jan 22, 2026

Post messages to the world, for 24 hours only.

Jan 21, 2026

Find and bulk download University of Michigan Lecture videos.

Aug 18, 2025

WebGL graphics fully client side with Astro and Three.js

Aug 14, 2025

Creating in image carousel component.

Apr 19, 2025

How and why I have decided to use Astro for this site.

Apr 18, 2025