diff-backup backs up one directory to another, possibly over a network. The target directory ends up a copy of the source directory, but extra reverse diffs are stored in a special subdirectory of that target directory, so you can still recover files lost some time ago. The idea is to combine the best features of a mirror and an incremental backup.
Sat Mar 19 22:12:32 2016 - permalink -
Version 1.2.8, released March 16th 2009
Includes a windows version.