Beata - For discovering the best new music from around the web
Songstack - Swipe to discover new music for Spotify
avant.fm - Avant.fm provides a customizable, listenable feed of new releases from the best indie record labels, across all genres.
22tracks - DJ curated Spotify playlists on iOS
CLiGGO MUSIC - CLiGGO MUSIC provides free music enjoyment on your pc, smart phone or tablet.
8tracks 3.0 (iOS) - Refreshingly human music playlists