Free and open-source differential file synchronization software for Windows, macOS, and Linux. ByteSync securely compares and transfers only file differences — no VPN, no setup, just fast, encrypted, cross-platform sync and backup.
FolderSync AlternativesOnly apps categorised as Duplicate File Finders
The best Duplicate File Finder alternative to FolderSync is ByteSync, which is both free and Open Source. If that doesn't work for you, our users have ranked more than 25 alternatives to FolderSync, but unfortunately only one of them is a Duplicate File Finder.
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FolderSync alternatives are mainly Backup Clients, but if you're looking for Duplicate File Finders or File Sync Tools you can filter on that. Other popular filters include Android, Linux and iPhone. These are just examples - use the filter bar below to find more specific alternatives to FolderSync.