The JukeDaddy is a p2p distributed MP3 jukebox for offices and shared-spaces. It allows people to pool their tunes together and listen to music on other people's computers. The interface is web-based.
SlimpyToo is an implementation of the slimdevices slimserver for the slimp3 and squeezebox written in Python. It is a complete rewrite of the server and does not rely on any of the perl code available at http://www.slimdevices.com.