A permissive free software licence from MIT.
- Balloon Diaspora ● 'Balloon Diaspora is a 3D point-and-click adventure game with music by Oliver Blank. Explore a foreign culture, make new friends and ride through the clouds in a hot air balloon.'
- Journey to the Center of Hawkthorne ● An unofficial computer game based on an episode of the hit show Community.
- KA Lite ● Access the Khan Academy offline.
- OpenRelativity ● 'OpenRelativity is an open-source toolkit to simulate effects of special relativity by varying the speed of light.'