evolution for vegastrike SpaceSim/Combat/Trade game
Gives agents personality, moods, emotions and emotional attachments.
Cross-platform C framework very compact libraries and tools.
A generic 2D engine for any kind of game
Take the chess graphism, and use it with a chess engine.
C++ Framework for slot machine games
Open Source Virtual World and MMOG Development Platform
cross-platform 2d game engine
A cross-platform OpenGL based lightweight scenegraph library
Cross-platform 2D game engine
AMOS BASIC reimplementation in Java
A cross platform 3d c++ game engine
Read and write PGN format and test moves for legality.
also download updates from files section
Basic real-time simulation engine in C++