Yazz - On demand delivery
Magic Playlist - Get the playlist of your dreams based on a song
Stamps Licked Hand Delivery - Stamps Licked Hand Delivery is the best way to get your own message hand-delivered to your Representative or Senator.
Spotalike - Spotify playlist with similar songs, according to Last.fm
DeliveryDino - Get anything delivered in 12,500+ cities!
Playlist Machinery - Tools that help you create & organize your Spotify playlists