Modular Gaming Open Source Persistent Browser Based Game Framework
C++ Framework for slot machine games
big map framework using Irrlicht
Java game engine for shoot 'em ups, using Java2D.
Cross-platform 2D game engine
A cross platform 3d c++ game engine
Game framework on top of Python, Panda3D and Twisted
Read and write PGN format and test moves for legality.
A cross-platform Java 2D graphics library using OpenGL.