Open Source Web Template Engine for PHP
Actionscript Flash 3D Controls (GL3DC AS3 version)
Free MMORPG Engine. Develop and host graphical browser-based games.
SolidDB Storage Engine for MySQL
Actionscript 3 Particle Engine for Flash and Flex
Simple template engine, but fast and easy to use.
Experimental raycasting engine
Classic Doom Frontend
Markup as CoffeeScript
MKEngine is a game engine for Text-Based games.
imagetext is a smarty plugin for creating graphical cached text images