stb single-file public domain libraries for C/C++

Zstandard - Fast real-time compression algorithm

Quake III Arena GPL Source Release

Free (libre) font editor for Windows, Mac OS X and GNU+Linux

The “Quite OK Image Format” for fast, lossless image compression

3D engine with modern graphics

Premake

Dynamic Instrumentation Tool Platform

Memory Debugger for Windows, Linux, Mac, and Android

regular expression library

Fasttracker 2 clone for Windows/macOS/Linux

The “Quite OK Audio Format” for fast, lossy audio compression

Quake 1 game port to Apple Watch

A 3D Modeler Made in a Week

System, apps and tooling for the Gigatron TTL microcomputer

Chess endgame database (tablebase) generator

UCI Chess Engine written in C

Highly accurate Yamaha OPL3 (YMF262, CT1747) emulator

Fast-paced Multiplayer Voxel Survival Game in C, includes a custom Lisp dialect.

Command Line Interface for UCI Chess engines written in C

Homeworld (1999) by Relic Entertainment

UCI Chess Engine

A regular expression engine in C

Experimental compression format (unmaintained, do not use!)

CGA, EGA, VGA 160x100 16 color pseudo graphics mode demo code

Fathom, for Humanoids.

Set of tools for media files comparison

2-player racing game for DOS and SDL written in C++

Chess engine study

Tablebase probing tool and tablebase access code