Eureka is a DOOM map editor
Colonize the New World.
Domination is a game that is a bit like the board game Risk
GPS track editor for editing tracks and planning (multiple) day tours
A free 3d game for PC that does not limit the player. Fight,Build,Gain
turn-based wargame/simulator
BattleTech MUX Client
SDL based generic 2D game engine
KBall, game of skill and reflexes, non violent, suitable for all age
Built to be ease of use, with no programming knowledge, Multi-platform
A turn-based strategy game in the spirit of Tactics Ogre
Free position 2D maps for computer games.
Open Source Breakout Clone
A tool for roleplaying gamemasters