Extremely simple joystick rumble / vibration library
3D game engine for C and C++
A graphics engine + toolkit.
Pear3DEngine is a modern and modular 3D development framework
C-Lesh is a game programming language for 2D games.
The classic intelligent role playing game
Game framework on top of Python, Panda3D and Twisted
Read and write PGN format and test moves for legality.
A 2D Java game engine
A small Game Engine project.