fdupes is a program for identifying or deleting duplicate files residing within specified directories.
The current version of fdupes is distributed as fdupes-1.51.tar.gz. No later version has been officially released. Users should get this version, as it’s presumably the most reliable. Developers and beta testers should look at the versions below.
Developers should get the latest version from GitHub.
Here you will find old versions of fdupes. List of old fdupes versions.