DupliFind

Finds duplicates of files than are on your disks with a very efficient algorithm. Uses multithreaded searches for faster results. Gives the ability to filter, sort, and preview the results. Allows deleting, or archiving; and create a database of the duplicates. Full management of the list of results. Hands-free operation mode can even turn off the computer upon completion.

What is new in this release:

Version 1.5.1.0 improved the interface, fixed a few bugs and advanced functional features.

Limitations:

Some features disabled