Allway Sync (System Utilities - File & Disk Management)

Allway Sync searches for the latest version of a file in specified folders and copies it to other folder or folders, e. g. synchronizes them. Unlike other file synchronizers those just copy the file with most recent modification time Allway Sync implements a sophisticated algorithm that does not depend on accuracy of system clock. Therefore this synchronizer is fast, safe, stable. Moreover Allway Sync is easy to use and it's free.