QuizUp - QuizUp gives you the opportunity to test your trivia skills against friends and strangers throughout the world.
OpenToonz - OpenToonz is an animation program that is a free software version of Toonz, the animation software...
A Google a Day - Online trivia game where you use Google's search to answer questions as fast as you can.
Synfig Studio - Just another WordPress site
Trivia Crack Kingdoms - The amazing quiz game that lets you test your knowledge and challenge your friends to see who is the smartest. Developed by Etermax
Blender - Blender is the open source, cross platform suite of tools for 3D creation.