Youtube-DJ - Mix YouTube songs together
Perfect Ear - A simple yet advanced application for improving your solfege skills.
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!
EarMaster - Professional software for ear training and practical music theory on Windows and Mac.
YOU.DJ - Mix SoundCloud music and Youtube videos live in your browser.
GitHub Audio - Tracks events across GitHub to generate calming work music