Qt-based Multimedia Player
Turn your PC into a very advanced MediaCenter/HTPC
Quimup is a Linux client for MPD
webapp for itunes, mpd, squeezebox, xmms2 &c.
'Great Little Radio Player' is a robust internet radio station stremer
Manage multiple sound channels
uAudioWhale is a Windows player for music stored on web
Play midi files via external midi devices or soft synth.
The simplest media player on the web.
Music player - endlessly plays your music
An social musicsystem for your Pi and smartphone.
Addon for Mediamonkey, download music classifications from web