BuySoftwaresOnlineFreeFileSync
Mirror and sync folders in real time
Files, Disks & SyncSource-available (custom)Windows · macOS · LinuxPopular
About FreeFileSync
FreeFileSync compares and synchronizes folder pairs with mirrored, two-way and custom sync variants, plus real-time sync via its RealTimeSync helper. Backup-grade folder sync without subscriptions.
FreeFileSync is completely free and open source (Source-available (custom)) — no trials, no subscriptions, no locked features. Always download from the official website to avoid bundled malware.
Free alternative to: GoodSync (paid)
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