Chipmunk

Chipmunk finds duplicates fast and in every mountable volume. It deletes found duplicates intelligently e. g. you can delete all files in a folder that have duplicates outside of it or vice versa. You can reveal every file in the Finder and on Leopard even Quick Look it.
Price USD 24.95
License Free to try
File Size 3.06 MB
Version 1.5 beta 1
Operating System Macintosh, Mac OS X 10.5 PPC, Mac OS X 10.5 Intel, Mac OS X 10.6 Intel
System Requirements None