Joy of Computing

This 2D fluid simulator is the first of its kind (written in metal using research papers Chirag linked on his website) and the example video is charming yet grotesque at the same time. Very engaging content. — charstiles

A compact, cycle-accurate NES emulator in ~1000 lines of code, using fancy meta-programming techniques to reduce code size! — vaibhavsagar

An implementation of Lamba calculus using Elixir. — porterjamesj

"A Rube Goldbergian exercise in exploring convoluted solutions to simple problems." George hopes to get 101 unique approaches to saying "Hello World" in JavaScript. Contributions are welcome! — rachel

A tool for making "9-patch" borders. You can design your pattern on a neat little grid, see the results immediately, and copy the CSS to your own site! Source: https://github.com/maxbittker/broider — rachel

A Harry Potter-themed "shell for wizards"! — porterjamesj

Oil is a new Unix shell. This post explains why you might want to use it. — nicholasbs

Andrew Kelley, the creator of the Zig programming language, live-codes an assembler in Zig to understand how assemblers work. Starts around 5:00 in the video. — davidbalbert

A wonderful primer on cybersecurity concepts ranging from phone phreaking to cryptography, complete with exercises! This is incredible if you're new to cybersecurity or looking for materials to help teach people who are. — dylnuge

A compiler for a simple language using LLVM. — porterjamesj