GStreamer plugins for mms, wavpack, quicktime, musepack
Codecs to play
GStreamer extra plugins
Codecs to play mp3, sid, mpeg1, mpeg2, AC-3, DVD (without encryption)
Cinelerra-CV
Video Editor

Gnormalize
Audio normalizer, converter, encoder/decoder, ripper, tagger and player
Pympc
An MPD client written in Python
Gsopcast
Streaming Direct Broadcast System based on P2P