MusicTwin Finder - Find your MusicTwin by your Spotify playlists in 5 seconds.
throwaway - throwaway is an in-browser messaging app.
Symphona App - Designed to make orchestral staff management a breeze.
MZRT by Ryan Leslie - An unlimited track album served as one single/month for life
JamBuddy - Find and collaborate with musicians around you thru Spotify
Happy Track - Feel good music every day.