http://www.blenderartists.org/forum/sho ... Sounds-etc
Pretty nice stuff, that could be useful for quite a few FOSS games. And 500$ (of which 150$ are already right now pledged) seems like a bargain.
Still trying to figure out what he means with "open-sourcing" exactly, but I guess it will be some creative commons license.
Edit: CC0 it seems! I guess I will have to register at indigogo then