From TGRMN Software:
ViceVersa Plus is a professional utility which Compares, Mirrors, Synchronizes, Backups folders.
Choose from three different ways to compare your files: timestamp, CRC or both. Differences are shown side-by-side in a graphical, easy to understand manner. Synchronize, Mirror, Backup folders with a button click!
Set-up automatic sync projects. Run them with your preferred scheduler. Keep copies of old files overwritten and/or deleted during synchronization in a third directory. Save snapshots of your folders to files. With ViceVersa Plus no more outdated data!