VisiPics does more than just look for identical files, it goes beyond checksums to look for similar pictures and does it all with a simple user interface.

AllDup is a freeware tool for searching and removing file duplicates on your computer. The fast search algorithm find duplicates of any file type.

Phototheca is a free photo organizing software makes it easy to view, sort, and organize photos.

Pixiple is a Windows application that searches your files for images that are similar in pixel and metadata content and presents you with a sorted list of sim…