AutoTeach makes kids study and learn in exchange for internet access.
Modular Gaming Open Source Persistent Browser Based Game Framework
Take the chess graphism, and use it with a chess engine.
A multiplatform game engine for interactive fiction experiences
UtiliGame is a light-weight game engine written in Java.
C-Lesh is a game programming language for 2D games.
QuadTree JS is a library for game developers
A game engine in java for 2D strategy games
The classic intelligent role playing game
A cross-platform OpenGL based lightweight scenegraph library
Simple Point & Click Game
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A cross-platform Java 2D graphics library using OpenGL.
Zap Engine