Bandlab - Capture, nurture, and collaborate on song ideas in the cloud
Festify - Festify is a free Spotify-powered app that lets your guests choose which music should be played...
Krue - Twitch for music: live streams from amazing musicians
JQBX - turntable.fm for spotify
Soundscape - Sync your music with the open source community
Spotlight - With Spotlight, you can find apps, documents, and other files on your Mac. And with Spotlight Suggestions, you can also get news, sports, movies, weather, and more.