Edjing - Discover edjing and edjing Pro, the most powerful DJ apps for music lovers! Mix on Android, Windows and iOS devices and record then share your DJ sets!
Momixa - Pick two songs and get the perfect mix
Youtube-DJ - Mix YouTube songs together
Liveset Database - Database site with tracklists from Dj sets
Pacemaker - Create and share mixtapes with friends
FIEND.fm - "Hot or Not" for music discovery: 2 hrs of tracks in 2 mins