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/
Duplicate File Finder, is designed to find and delete true duplicate files over home and corporate network while no software installed on other computer. Fast byte-to-byte and CRC32 comparison gives you the most accurate results and Duplicate File Finder searches duplicate file...
"ALL IN ONE" File & Folder Processing Tools.Discontinued
Development of FCorp Software has been discontinued in 2016. Last version of File & Folder Tools, released in August 2016, can be still downloaded from SoftPedia.
Finddupe is a tool for quick detecting of duplicate files on a hard drive under Windows. Duplicate files can be detected, hardlinked, or deleted. Finddupe can also search for hardlinked files on your computer.
Tidy Up is the duplicate finder and disk tidiness utility for expert users. It's the only fully-featured duplicate remover available on the market, and allows you to efficiently clean your computer from the junk it built-up.
Duplicate Sweeper can quickly find and remove duplicate files on your PC. The free program demo lets you scan your computer for duplicate documents, images, contacts, music and other files. The amount of duplicate files on your hard drive could come as a bit of a surprise...
Duplicate Files Deleter is a powerful tool to find and resolve duplicate photos, documents, spreadsheets, MP3's, and more!Warning
This site has a bad reputation on WOT ( http://www.mywot.com/en/scorecard/duplicatefilesdeleter.com )