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Open Source SyncToy Alternatives

The best open source alternative to SyncToy is Syncthing. If that doesn't suit you, our users have ranked more than 50 alternatives to SyncToy and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to SyncToy are FreeFileSync, rsync, IPFS and Unison File Synchronizer.

SyncToy alternatives are mainly File Sync Tools but may also be Backup Clients or Diff Tools. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of SyncToy.
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SyncToy is a free PowerToy designed by Microsoft, that provides an easy to use graphical user interface that can...

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  1. Syncthing icon

    Syncthing

    • Mac
    • Windows
    • Linux
    • Android
    • Android Tablet
    • BSD
    • Self-Hosted
    • F-Droid
    • Cloudron
    117 alternatives to Syncthing 

    Syncthing replaces proprietary sync and cloud services with something open, trustworthy and decentralized. Your data is your data alone and you deserve to choose where it is stored.

     Suggest and vote on features
    Features
    1.  DecentralizedSyncthing is based on a decentralized infrastructure with no single entity controlling it.
    2.  End-to-End EncryptionSyncthing has E2E Encryption, for entire or parts of the app.
    3.  LightweightSyncthing consumes less device resources compared to similar apps.
    4.  Dark ModeSyncthing supports dark mode for comfortable usage in low light conditions.
    5.  Command line interfaceSyncthing either have CLI support or is a CLI-only app.
    Screenshot
    Syncthing vs SyncToy opinions
    This alternative is disputed. Syncthing is still a legitimate alternative to SyncToy, but it might have issues that some users think are important.
    Guest

    unlike sync toy folders on the same machine cannot be synced and this is by design .

    Negative comment ago
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    Guest

    SyncThing cannot synchronize on the same machine.

    Negative comment ago
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    4
  2. FreeFileSync icon

    FreeFileSync

    • Mac
    • Windows
    • Linux
    • PortableApps.com
    • Chocolatey
    • Flathub
    96 alternatives to FreeFileSync 

    FreeFileSync is a folder comparison and synchronization software that creates and manages backup copies of all your important files. Instead of copying every file every time, FreeFileSync determines the differences between a source and a target folder and transfers only the...

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    Features
    1.  File VersioningFreeFileSync has a version system that lets you view and go back to older versions of the project/file/document.
    2.  PortableFreeFileSync can be used from a USB stick or similar with no prior installation.
    3.  Command line interfaceFreeFileSync either have CLI support or is a CLI-only app.
    4.  Dark ModeFreeFileSync supports dark mode for comfortable usage in low light conditions.
    5.  No registration requiredYou can use most of the features in FreeFileSync without registration.
    6.  DecentralizedFreeFileSync is based on a decentralized infrastructure with no single entity controlling it.
    7.  Works OfflineFreeFileSync can be used without the need to connect to the internet.
    8.  Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
    Windows
    macOS
    openSUSE Linux
    FreeFileSync vs SyncToy opinions
    Most users think FreeFileSync is a great alternative to SyncToy.
    Guest

    Sadly was not stable- Crashed for me and never completed.

    Negative comment ago
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    -2
    Guest

    awesome piece of software. Got all I need and even options I did not think of. Will donate to developers for sure after some time.

    Positive comment ago
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    2


  3. rsync icon

    rsync

    • Linux
    • BSD
    • Cygwin
    • Haiku
    125 alternatives to rsync 

    rsync is a software application for Unix which synchronizes files and directories from one location to another while minimizing data transfer using delta encoding when appropriate. An important feature of rsync not found in most similar programs/protocols is that the mirroring...

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    Features
    1.  Command line interfacersync either have CLI support or is a CLI-only app.
    2.  Schedule Backuprsync supports scheduling of your backups at specific times or intervals.
    3.  Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
    4.  Encrypted Backuprsync uses encryption algorithms to keep your files safe as well as prevent unauthorized access.
    Screenshot
    Screenshot
    rsync vs SyncToy opinions
    pros, cons and recent comments
    Guest

    Rsync implementations on Windows are very slow when performing a first-time backup; two days or more in unacceptable for a task which SyncToy can perform in a few hours.

    Negative comment ago
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    0
  4. IPFS icon

    IPFS

    • Mac
    • Windows
    • Linux
    • BSD
    • Self-Hosted
    75 alternatives to IPFS 

    IPFS is a global, versioned, peer-to-peer filesystem. It combines ideas from Git, BitTorrent, Kademlia, SFS, and the web. It is like a single bittorrent swarm, exchanging git objects. IPFS provides an interface as simple as the HTTP web, but with permanence built in.

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    Features
    1.  DecentralizedIPFS is based on a decentralized infrastructure with no single entity controlling it.
    Screenshot
    Screenshot
    IPFS Peers Map
    IPFS vs SyncToy opinions
    pros, cons and recent comments
    Guest

    it's completely different than synctoy

    Negative comment ago
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    1
    Guest

    IPFS is not for file comparison on different folders.

    Negative comment ago
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    4
  5. Unison File Synchronizer icon

    Unison File Synchronizer

    • Mac
    • Windows
    • Linux
    52 alternatives to Unison File Synchronizer 

    Unison is a file-synchronization tool for Unix and Windows. It allows two replicas of a collection of files and directories to be stored on different hosts (or different disks on the same host), modified separately, and then brought up to date by propagating the changes in each...

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    Features
    1.  Command line interfaceUnison File Synchronizer either have CLI support or is a CLI-only app.
    2.  DecentralizedUnison File Synchronizer is based on a decentralized infrastructure with no single entity controlling it.
    Unison running in KDE terminal window
    Screenshot


  6. DirSync Pro icon

    DirSync Pro

    • Mac
    • Windows
    • Linux
    90 alternatives to DirSync Pro 

    DirSync Pro is a small, but powerful utility for file and folder synchronization. DirSync Pro can be used to synchronize the content of one or many folders recursively. Use DirSync Pro to easily synchronize files from your desktop PC to your USB-stick.

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    Features
    1.  Incremental BackupDirSync Pro supports incremental backups (only back up the changed or new-added data since the last backup).
    2.  Command line interfaceDirSync Pro either have CLI support or is a CLI-only app.
    Basic
    Sync Queue
  7. Bacula icon

    Bacula

    • Mac
    • Windows
    • Linux
    • FreeBSD
    • OpenBSD
    78 alternatives to Bacula 

    Bacula is a set of computer programs that permit managing backup, recovery, and verification of computer data across a network of computers of different kinds.

     Suggest and vote on features
    This app doesn't have any features at the moment.
    Screenshot
  8. Toucan icon

    Toucan

    • Windows
    • PortableApps.com
    63 alternatives to Toucan 

    Toucan is a small portableapp utility allowing you to synchronise, backup and secure your data with more options than the built in suite utilities. It is split up into 7 tabs, allowing you to easily find the function that you want.

     Suggest and vote on features
    Features
    1.  Encrypted BackupToucan uses encryption algorithms to keep your files safe as well as prevent unauthorized access.
    2.  Incremental BackupToucan supports incremental backups (only back up the changed or new-added data since the last backup).
    3.  AES-256 EncryptionToucan has AES-256 Encryption, i.e. very strong security.
    4.  PortableToucan can be used from a USB stick or similar with no prior installation.
    5.  Command line interfaceToucan either have CLI support or is a CLI-only app.
    Toucan Main Window
    No automatical symmetrical file-deletion
  9. RsyncOSX icon

    RsyncOSX

    116 alternatives to RsyncOSX 

    A macOS GUI for rsync.

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    Features
    1.  DecentralizedRsyncOSX is based on a decentralized infrastructure with no single entity controlling it.
    2.  End-to-End EncryptionRsyncOSX has E2E Encryption, for entire or parts of the app.
    3.  Support for RsyncRsyncOSX supports rsync, a free and open source file synchronization software.
    Screenshot
    Screenshot
  10. Synkron icon

    Synkron

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • PortableApps.com
    69 alternatives to Synkron 

    Synkron is an application for folder synchronisation and folder-backups that allows you to configure your synchronisations in detail. Despite having many features, the user interface of Synkron is very user-friendly and easy to use.

     Suggest and vote on features
    Features
    1.  PortableSynkron can be used from a USB stick or similar with no prior installation.
    Discontinued

    Last Update: 2014-10-11, see https://sourceforge.net/projects/synkron/

    Main window
    Sync 4 folders - Many languages
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