Magic Another Game Engine
Extensible Line-drawing & Polygon-filling Rasterization Libs for Java
Java Development Framework
A platform for Artificial Intelligence experimentation on Minecraft
A suite of tools for any RPG system
tiny code, html webcam game or plug brain in each blob, java server
Next generation web chess club
RPGDS is a dice simulator for coin and polyhedron dice.
The original Xivio.com World Server Core
Java Game Engine
A set of Forge mods for Minecraft. (API, Stargate, custom signs...)