Arianne is an engine to develop multiplayer online games like Stendhal
VR Adrix Java Works - Paged Lists - Action-Entity Model ...
Cerberus Content Management System
Open-source, cross-platform, game-development tools
Adds input boxes to Phaser like CanvasInput, but also works for WebGL
Make robots for MediaWiki-powered sites!
Cross platform 2D game creation framework with Python bindings
C++ SDL/Box2d Programming