Momixa - Pick two songs and get the perfect mix
Youtube-DJ - Mix YouTube songs together
Music Suggestions Ninja - Enter an artist's name & find similar, lesser known artists
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!
Boil the Frog - Create a seamless playlist between any two artists
YOU.DJ - Mix SoundCloud music and Youtube videos live in your browser.