Until AM - DJ in your browser with this SoundCloud music mixer
Songlio - Free musical guessing game: race friends to name that tune
Rock On! - A song pop adventure - music trivia awesomeness
Playlistify - Make Spotify playlists from 1001tracklists & setlist.fm sets
Stugo - StuGo™ is a one-stop-shop for all your studio needs.
BeDJ - Marketplace of detailed mixing instructions to DJ sets