PlaylistMap - Connect with Spotify playlist curators from around the world
Beata - For discovering the best new music from around the web
Undrtone - Social layer on top of Spotify and Rdio from Scott Vener
avant.fm - Avant.fm provides a customizable, listenable feed of new releases from the best indie record labels, across all genres.
SoundCloud Charts - The most played tracks on SoundCloud this week
CLiGGO MUSIC - CLiGGO MUSIC provides free music enjoyment on your pc, smart phone or tablet.