Openwhyd - Collect and Share the tracks you love.
Tunit.fm - the largest FREE music listening platform on the planet.
musiqpad - Musiqpad is a social-music software platform for users to host their own ‘pads’ (rooms).
Tenory - Social community for discovering and sharing everything about music.
BeatSense - Discover great music hand-picked by real people, in a single click. FREE and in real-time!
Bandcamp - Discover amazing music and directly support the artists who make it.