GEDKeeper - opensource and crossplatform genealogy management program
INSTEAD - Simple Text Adventure Interpreter.
Enigma is a puzzle game
Cross-platform real-time strategy game (3D)
An isometric arcade-style game of skill, puzzles and exploration
LIKO-12 is an open source fantasy computer made using LÖVE
2D Game Engine
A cross platform Lua based game engine
3D-Accelerated open-source DOOM engine
EDGE is an advanced DOOM source port
Android port of PRIME roguelike
Babylon 5 in Homeworld 2!
Single-/multi-player card game Mau Mau (similar to UNO®)
A space game in the Hoshikaze 2250 universe, built on the NAEV engine
Development has moved to github
A Simple Game Engine