Google Open Source - All of Googles open source projects under a single umbrella
Pong Quest - A classic pong quest through unique levels full of twists! Plus 2 player mode!
Code NASA - 253 NASA open source software projects
Switch Up - An addictive, retro-style pong game.
Disney Open Source - Explore Disney's Open Source projects
WimblePong Tennis - WimblePong combines the addictiveness of Arcade hit Pong with the rules of tennis.