TripleA - TripleA is a free (under GPL) turn based strategy game based on Axis & Allies board game.

projectM - projectM is an LGPL'ed reimplementation of Milkdrop under OpenGL.

Gravity Free - Gravity Free – Light Particles Manipulation App developed and published by Kfirapps Limited.

Audacity - Audacity is a free and open-source audio production software suite that includes a surprising array of editing tools and recording systems.

Particlescape - Particlescape app lets you create stunning patterns at your fingertips.

Free Audio Editor - Free Audio Editor is a sound editor program for Windows.