RIOT is a game coding competition for Caanoo, Wiz, Pandora and Dingoo's Dingux developers. In the future, probably also for nD devs, unless that one turns out to be vaporware.
The contest entry dealine is over but votes are running until July 22 2011.
Four RIOT entries that provide source
So far, four of the entries provided their source, you can filter them out here.