Oggtella.

It will be Gnutella (the network that you use if you’re using Limewire) sans the proprietary file formats (.mov, .wma, .ra, and the ubiquitous .mp3 and .avi).

Thus, you can freely obtain music and video without the whole “royalties”/”codec-propriety” thing to worry about (often a concern for developers of FOSS-based operating systems and media players).

I’ll be listing this as one of my “top ten” reasons to move back to Ubuntu or Gobolinux if it’s ever created.