The free and Open Source hockey simulator
Three dimensional first-person space deathmatch!
Library for creating turn-based games with simultaneous moves.
TR Game Engine allows you to develop your game quickly and easily.
Take the chess graphism, and use it with a chess engine.
Classic backgammon in fantasy setting with a lot of missions.
Cross platform administration tool for Source Engine dedicated servers
A multiplatform game engine for interactive fiction experiences
A 3D, fully concurrent game engine
Role Playing Game Engine
A fun-filled new take on the casual first person arena shooter.
Donation system for source-based communities
Cross-platform port of Arx Fatalis, a first-person role-playing game
Graph editing tool
A truly extensible cross-platform game engine
A chess application : game with human and/or computer