Spotalike - Spotify playlist with similar songs, according to Last.fm
CLiGGO MUSIC - CLiGGO MUSIC provides free music enjoyment on your pc, smart phone or tablet.
MusaicFM - An iTunes like screen saver based on Spotify and Last.fm
Audionautix - Audionautix is the web-based music platform that provides you the songs, tunes, and music of famous singers which you can use for your audience and business.
Bowtie - Bowtie is a desktop accessory that allows you to see and control your music (iTunes, Spotify...
Dogmazic - Browse the musical archives of Dogmazic and play more than 50.000 open or royalty-free titles.