Utilities for Macintosh. Choose two (or more) folders/disks and then they will be synchronized/backup exaclty. The old files will be replaced with the newest files in both the directions. The new files (new entries) will be copied in both the directions, as well as the new Folders. The old Folders will not replaced entirely by the newer, as the Finder used to do, but their content will be updated with the newest files, the new files (new entries) and new Folders(new entries). FS can filter the documents to copy by Type, Creator and Modification Date. FS can do multiple synchronizations and backups from a custom list. The user can save and load the lists. FS can do syncs/backups at the time specified in the timer list. Scriptable by AppleScript.