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aMSN is a free open source MSN Messenger clone.

It can help you open multiple instances of your Windows Live Messenger.

DITrack is a free, open source, lightweight, distributed issue tracking system.

PyGreSQL is an open-source Python module that interfaces to a PostgreSQL databas

Color picker component with clean and stylish design and smooth open animation.

Graffito is an open source framework used to build content based applications

APE is a free AS3 open source 2D physics engine for use in Flash and Flex.

Based on the open source liba52 library by Aaron Holtzman and Michel Lespinasse

Free/Open Source Multimedia Messaging Service (MMS) gateway.

Gstat is an open source computer code for multivariable geostatistical modelling