Pagevamp - Turn your Facebook page into a website.
Magic Playlist - Get the playlist of your dreams based on a song
Kit CRM - A CRM for your Facebook page
Spotalike - Spotify playlist with similar songs, according to Last.fm
Upcall - Upcall enables you to crowdsource your outbound calls. Collaborate with 1000+ on-demand callers worldwide for sales, marketing and customer support calls. Free trial.
Playlist Machinery - Tools that help you create & organize your Spotify playlists