C-Lesh is a game programming language for 2D games.
Pear3DEngine is a modern and modular 3D development framework
Open Source Virtual World and MMOG Development Platform
An extensible development framework for roleplay games.
cross-platform 2d game engine
Java game engine for shoot 'em ups, using Java2D.
Framework for a graphical point and click adventure game in Java
A game engine in java for 2D strategy games
Cross-platform reimplementation of AMOS BASIC (runtime)
Multi-Language Wrapper Collection for the Irrlicht Engine
Formerly CraveJs, it's for creating JavaScript applications and games.
AS3 Utilities library (Games Development Framework)
A cross-platform OpenGL based lightweight scenegraph library
Game framework on top of Python, Panda3D and Twisted
Simple Point & Click Game
Cross-platform 2D game engine