Concertmaster - Classical music front-end for Spotify
SYQEL - Bring your music to life
Music-Map - The Music-Map is the Tourist Map of Music, part of Gnod, the Global Network of Discovery.
Spotify Web Visualizer - Beautiful full screen visuals for Spotify web player
Poly-graph Hip Hop - See what hip hop's billboard top 10 sounded like
Visualify - Visualize your top artists on Spotify