Beata - For discovering the best new music from around the web
Music Walker - Explore and play (via YouTube) songs similar to a seed song.
avant.fm - Avant.fm provides a customizable, listenable feed of new releases from the best indie record labels, across all genres.
Songstack - Swipe to discover new music for Spotify
CLiGGO MUSIC - CLiGGO MUSIC provides free music enjoyment on your pc, smart phone or tablet.
remixmonsta - Tired of Despacito? Find a cool remix instead