Simple isometric graphics library for HTML5 canvas
A stand-alone PHP-only library for parsing BBCode-like tags
Performance enhancement API for RPG Maker XP, VX, VXA.
Zoozle 2008 - 2010 Webpage, Tools and SQL Files
Pygrid is an open-source and cross-platform pygame/python 2D engine.
PHP Templating System
The Flixel Power Tools are a set of plug-ins for Flixel 2.5+
BxEngine For Marmalade And QT
Start Tunneling for Anonymous People
A lightweight HTML5/JS library for making games!
Short, Sweet, and To the Point PHP Framework
A graphics engine + toolkit.
Game created with playrix engine.
Graph editing tool
Cross platform 2D game creation framework with Python bindings
Create structured binary files from XML data.
The solution to all your problems
Gameserver Installer/Startscript for HL1 and HL2 Games
The Matrix Cloud (PaaS )
SuperWikia: The Runtime/Realtime Environment for Codesmiths