Kinect based controller.
C library for manipulating Minecraft world data
A tool for editing OHRRPGCE RPG files
Little game background framework in java.
Pear3DEngine is a modern and modular 3D development framework
C-Lesh is a game programming language for 2D games.
An extensible development framework for roleplay games.
C++ Game programming Framework
DiaT is a Textadventure
cross-platform 2d game engine
Java game engine for shoot 'em ups, using Java2D.
Cross-platform reimplementation of AMOS BASIC (runtime)
The classic intelligent role playing game
A cross-platform OpenGL based lightweight scenegraph library
Cross-platform 2D game engine
Delphi-like IDE for cross-platform game development
Game framework on top of Python, Panda3D and Twisted
also download updates from files section
Zap Engine
Make games with Lego-like building blocks