- Free Personal • Proprietary
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.
Last version 1.8d from 2010, see http://www.joerg-rosenthal.com/en/antitwin/
- Paid • Proprietary
The program is designed to scan for both dupe and similar images at the same time. The advanced searching algorithms make scanning effective and precise.
The program is no longer updated. Last version, 1.2, released in November 2009, can be still bought from the official website.