Total Commander - A Shareware file manager for Windows® 95/98/ME/NT/2000/XP/Vista/7, and Windows® 3.1.
dupeGuru - dupeGuru is a tool for finding duplicate files on your computer.
Double Commander - Double Commander is a cross-platform open source file manager with two panels side by side.
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.
XYplorer - File Manager for Windows
VisiPics - VisiPics does more than just look for identical files, it goes beyond checksums to look for similar...