Gideros Release version
Games for tomorrow's programmers
Extensible Line-drawing & Polygon-filling Rasterization Libs for Java
Java Development Framework
An End-To-End, Lightweight and Flexible Platform for Game Research
Sims 3 (and other) game package library
Next generation web chess club
C++ game libraries plus server.
The original Xivio.com World Server Core
Modular Gaming Open Source Persistent Browser Based Game Framework
Hungry Hero is an open source Flash game built on Starling Framework.
A truly extensible cross-platform game engine
A 2D Elite-style game written in Python 3.2.
A turn-based strategy game in the spirit of Tactics Ogre
A Core War with time manipulation!
The Lambda-Engine is a cross platform game engine.