Duplicate Media Finder - Duplicate Media Finder locates and deletes identical files and similar media
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode
Audio Dedupe - AUDIO DEDUPE Music Manager will delete duplicate mp3 files, find similar songs, delete duplicates from iTunes. Organize music files and save disk space.
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.
dupeGuru - dupeGuru is a tool for finding duplicate files on your computer.
FSlint - FSlint is a utility to find and clean various forms of lint on a filesystem. I.E.