Duplicate Cleaner is a tool for finding and removing duplicate files from your computer or network drives; It is intended to be used on user content - documents, photos, images, music, but can be used to scan any type of files.
AllDup is a freeware tool for searching and removing file duplicates on your computer, network shares or external storage media. The fast search algorithm find duplicates of any file type, e.g., text, pictures, music or movies.
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. First, you select the root folder or folders to find and catalogue all of your pictures.Discontinued
The program seems to be no longer updated. Last version, 1.31, released in February 2013, can be still downloaded from the official website.
CloneSpy is a Free Duplicate File CleanUp Tool for Windows. CloneSpy can help you free up hard drive space by detecting and removing duplicate files. Duplicate files have exactly the same contents regardless of their name, date, time and location.
FSlint is a utility to find and clean various forms of lint on a filesystem. I.E. unwanted or problematic cruft in your files or file names. For example, one form of lint it finds is duplicate files. It has both GUI and command line modes.
Awesome Duplicate Photo Finder is a free powerful tool, that helps you to find and remove duplicate photos on your PC. With this program you can easily clean up your photo collection from duplicates or even similar images.
Anti-Twin is a small software application which compares files, i.e. it searches for duplicate or similar files on your hard disk drive. All similar or identical files that were found can either be sent to the recycle bin or directly deleted.Discontinued
Last version 1.8d from 2010, see http://www.joerg-rosenthal.com/en/antitwin/
Daily computer activity inevitably leads to accumulating duplicate files on your computer, especially if you are an active PC user. Auslogics Duplicate File Finder will find and delete duplicate files so you won’t experience lack of free disk space!