Mixed in Key - Mixed In Key is award-winning DJ software that gives you the #1 technique of the world's best...
Mp3tag - Mp3tag is a powerful and easy-to-use tool to edit metadata of audio files. DownloadDownload Mp3tag, a powerful and easy-to-use tool to edit .
KeyFinder - Key estimation software for DJs
MusicBrainz Picard - Official website for MusicBrainz Picard, a cross-platform music tagger written in Python.Downloads · MusicBrainz Blog · Picard 2.
beaTunes - Smart software for library management, music analysis, and playlist creation. For Windows and macOS.
Tunebat - A browser based song key and bpm database. Supplies compatible songs for harmonic mixing.