Software Finder

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FreeFileSync
Linux, Mac OS, Windows | Alternatives

A well designed and easy-to-use sync program

 sync-file, sync-folder, backup-file    Disk & File, File and Folder Sync    Free (Open source)
Editor Rating:
4.5
Allway Sync
Windows | Alternatives

A very well rounded product with a filter, rule set and loads of features

 sync-file, sync-folder, backup-file    Disk & File, File and Folder Sync    Free (Limited features)
Editor Rating:
4