beaTunes - Smart software for library management, music analysis, and playlist creation. For Windows and macOS.
Mixed in Key - Mixed In Key is award-winning DJ software that gives you the #1 technique of the world's best...
Tunebat - A browser based song key and bpm database. Supplies compatible songs for harmonic mixing.
tuneXplorer - Multithreaded BPM and Key detection software for MP3 files.
Audio Beat Detector - A digital DJ oriented automatic Beat Per Minute detecting software
SongKong - SongKong fixes your music simply and easily