Open-source, cross-platform, game-development tools
V8 Javascript Engine for PHP
Extensible HTML5 app for real-time collaborative projects
A minimalist and cross platform System Shock source port
486 lines of C++: old-school FPS in a weekend
Hprose is a cross-language RPC. This project is Hprose 3.0 for PHP
Build Cross-platform Applications
MMORPG
scriptable game engine with built-in support for 2D graphics and sound
Rapid Application Development Framework for PHP
The Hoa\Ruler library.
3D .NET engine for Windows, Linux, Mac
A game engine written in the D programming language
A Flash Molehill (Stage3D) GPU accelerated 2D game engine
a very lightweight advanced terrain-rendering and 3D map rendering sys
Code generation from UML to any language (Java, Objective-C, PHP...)
One of the world's leading multilingual website platforms
A single-file extensible template engine
Plugin based multi-purpose dev tool.