Openwhyd - Collect and Share the tracks you love.
SoundCloud - Enjoy music & follow favourite artists
Tunit.fm - the largest FREE music listening platform on the planet.
Bandcamp - Discover amazing music and directly support the artists who make it.
Tenory - Social community for discovering and sharing everything about music.
Audius Music - Decentralized & open-source streaming platform controlled by artists, fans, & developers.