The ioquake3 community effort to continue supporting/developing id's
UCI chess engine
High performance UI layout library in C
A promising chess program
Utilities to make running a Linux Alien Arena server easier
Superproject containing build scripts and tools to download assets
RPG Textual em Java
EXCEL VBA chess engine with chess board
Java Chess Engine
World largest chess database
A QuakeWorld package containing everything needed to play QW right now
A fun-filled new take on the casual first person arena shooter.
A Quake III Arena Mod.
Quake III Arena GPL Source Release
Free and open source FPS based on Quake III Arena
Implement your player strategy and compete with other strategies.
A Game written entirely using Scripting languages(No Compiling)