Spotify - Map shows when two people play same song at same time
Bizness Apps - Create your own app or become a reseller and build apps for others
SoundCloud - Enjoy music & follow favourite artists
Fuse - Fuse is a UX tool suite for mobile app designers and developers.
Last.fm - The world's largest online music service. Listen online, find out more about your favourite artists, and get music recommendations, only at Last.fm
Siberian CMS - Siberian is an Open-Source and Free App Maker. Unlimited Push Notifications. Unlimited features. Fully Customizable. Download it and build your own app now!