VisiPics - VisiPics does more than just look for identical files, it goes beyond checksums to look for similar...
Duplicate Media Finder - Duplicate Media Finder locates and deletes identical files and similar media
Pixiple - Find images similar in pixel and/or metadata content
Duplicate Files Fixer - Remove Duplicate Files, Songs, Photos, videos on your drive. Best Duplicate File Finder tool to delete duplicate files on Windows, mac and Android
SimilarImages - A free application designed to find similar images (duplicates) on your HDD.
Easy Duplicate Finder - Free download! Find and delete duplicate files with Easy Duplicate Finder™. Get rid of annoying duplicates on your Windows and Mac.