dupeGuru - dupeGuru is a tool for finding duplicate files on your computer.
Duplicate Media Finder - Duplicate Media Finder locates and deletes identical files and similar media
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.
Czkawka - Multi functional app to find duplicates, empty folders, similar images etc.
DupDetector - Dup Detector finds duplicate and near duplicate images by opening and reading image pixel data.
AllDup - AllDup is a freeware tool for searching and removing file duplicates on your Windows computer.