dupeGuru - dupeGuru is a tool for finding duplicate files on your computer.
beaTunes - Smart software for library management, music analysis, and playlist creation. For Windows and macOS.
Duplicate Cleaner - Duplicate Cleaner: the fastest and most popular tool for finding duplicate files. Over 1 million downloads: Get your copy now! Free and Pro versions available.
Mixed in Key - Mixed In Key is award-winning DJ software that gives you the #1 technique of the world's best...
AllDup - AllDup is a freeware tool for searching and removing file duplicates on your Windows computer.
KeyFinder - Key estimation software for DJs