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FreeFileSync alternatives: 4 apps ranked by verified data

Facts checked Oct 29, 2026AppBreakup editorialHow we rank

Common reasons people leave FreeFileSync: no built-in versioned snapshots, deduplication or encryption, and some extras like email alerts need the Donation Edition. We ranked 4 alternatives by how directly each one replaces FreeFileSync, then by reviews, real visits and how recently each app's facts were checked against its own website. Syncthing currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1Syncthing logoSyncthingOpen sourceYesWindows, macOS, Linux +24 of 456.8
  1. Syncthing logo

    1. SyncthingTop pick

    Best for: Technical users who want private sync between their own machines

    Open sourceSelf-hostableWindows, macOS, Linux, Android, Self-hosted

    56.8

    score / 100

    Why switch from FreeFileSync

    Continuous, automatic peer-to-peer sync between devices instead of jobs you run by hand.

    Pros

    • No cloud provider, no storage limits, no fees
    • Encrypted device-to-device connections
    • Runs on almost any OS, including servers and NAS

    Cons

    • A device must be online for others to sync
    • No public share links
    • Configuration-heavy for non-technical users
    Visit Syncthing Details and reviews
    How this score is calculated
    Editorial fit ×0.360
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Syncthing a good FreeFileSync alternative?

    Verified facts

    4 of 4 verified
    Central server
    None
    Checked Oct 29, 2026syncthing.net(opens source in a new tab)
    Encryption
    TLS between devices
    Checked Oct 29, 2026syncthing.net(opens source in a new tab)
    Open source
    Yes
    Checked Oct 29, 2026syncthing.net(opens source in a new tab)
    Platforms
    macOS, Windows, Linux, FreeBSD and more
    Checked Oct 29, 2026syncthing.net(opens source in a new tab)

The best FreeFileSync alternative for…

The highest-ranked app in this list for each need.

Syncthing logo

Best FreeFileSync alternative for most people

Syncthing

Continuous, automatic peer-to-peer sync between devices instead of jobs you run by hand.

Duplicati logo

Best FreeFileSync alternative for a free option

Duplicati

Adds encrypted, deduplicated and versioned backups to local or cloud storage, which FreeFileSync lacks.

restic logo

Best FreeFileSync alternative for open source

restic

Snapshot-based, encrypted backups from the command line for people who need history, not just a mirror.

Syncthing logo

Best FreeFileSync alternative for self-hosting

Syncthing

Continuous, automatic peer-to-peer sync between devices instead of jobs you run by hand.

Arq Backup logo

Best FreeFileSync alternative for Mac

Arq Backup

Paid but polished versioned backup to your own cloud storage on Windows and Mac.

Syncthing logo

Best FreeFileSync alternative for Windows

Syncthing

Continuous, automatic peer-to-peer sync between devices instead of jobs you run by hand.

Syncthing logo

Best FreeFileSync alternative for Linux

Syncthing

Continuous, automatic peer-to-peer sync between devices instead of jobs you run by hand.

FreeFileSync alternatives: common questions

What is the best alternative to FreeFileSync?

Syncthing ranks first right now. Continuous, automatic peer-to-peer sync between devices instead of jobs you run by hand. Duplicati and restic follow it in our ranking.

Is there a free alternative to FreeFileSync?

Yes. Syncthing (open source), Duplicati (open source) and restic (open source) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to FreeFileSync?

Yes: Syncthing, Duplicati and restic. Syncthing, Duplicati and restic can also be self-hosted.

Which FreeFileSync alternatives work on Linux?

Syncthing, Duplicati and restic run on Linux.

Why do people switch from FreeFileSync?

The complaints we hear most: no built-in versioned snapshots, deduplication or encryption; some extras like email alerts need the Donation Edition; interface is functional but cluttered for beginners.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces FreeFileSync, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.