Youtube-DJ - Mix YouTube songs together
Mixed in Key - Mixed In Key is award-winning DJ software that gives you the #1 technique of the world's best...
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!
beaTunes - Smart software for library management, music analysis, and playlist creation. For Windows and macOS.
YOU.DJ - Mix SoundCloud music and Youtube videos live in your browser.
Tunebat - A browser based song key and bpm database. Supplies compatible songs for harmonic mixing.