The source code to VVVVVV
Multi-language source code documentation tool
PBBoard - Free and Open Source Forum Software
XML-based framework for developing games
Interactive audio made simple
Highly portable UNIX make implementation since 1985
MathParser takes a math equation as a string and returns a number.
HTML5 editor, free and open-source website builder based on Silex
The original Xivio.com World Server Core
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Browser-based online video editor and encoding API
Free Flash Game Station Script
Tool for visualise crosscorelation relationsheeps betwin specieses