HashCheck Shell Extension - File-integrity verification with CRC-32, MD5, SHA-1, SHA-2 and SHA-3, integrated into Windows...
Duplicate Media Finder - Duplicate Media Finder locates and deletes identical files and similar media
OpenHashTab - OpenHashTab is a shell extension for conveniently calculating and checking file hashes from file properties.
dupeGuru - dupeGuru is a tool for finding duplicate files on your computer.
HashMyFiles - HashMyFiles is small utility that allows you to calculate the MD5 and SHA1 hashes of one or more files in your system.
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.