Open-source software for syncing and backing up files across Windows, macOS, and Linux by transferring only essential data.
Cost / License
- Freemium
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Flathub
- PortableApps.com
- Chocolatey




There are many alternatives to SyncToy for Windows and since it's discontinued a lot of people are looking for a replacement. The best free Windows alternative is FreeFileSync, which is also Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to SyncToy and many of them are free and available for Windows so hopefully you can find a suitable replacement. Other interesting free Windows alternatives to SyncToy are SyncBack, GoodSync, Unison File Synchronizer and AOMEI Backupper.
Open-source software for syncing and backing up files across Windows, macOS, and Linux by transferring only essential data.




SyncBack allows for backing up, synchronizing, and restoring files on Windows. It offers a free version, SyncBackSE and Pro for more features, including local networks and cloud backups. Ideal for individuals and large organizations like hospitals, ensuring data protection and recovery.



A comprehensive solution for file synchronization and backup, GoodSync allows seamless and real-time file sync across desktops, mobiles, and cloud services directly, bypassing third-party servers. Ideal for both personal and professional needs.




Unison is a file-synchronization tool for POSIX-compliant systems (e.g. *BSD and GNU/Linux), macOS and Windows, with the caveat that the platform must be supported by OCaml. It allows two replicas of a collection of files and directories to be stored on different hosts (or diffe.


Protects operating systems, files, and disks on Windows PCs and Servers with full backup, cloning, and migration tools. Offers sync, encrypted backups, flexible restore to dissimilar hardware or partitions, scheduled and real-time backups, and space management features.




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.




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.


DirSync Pro is a small, but powerful utility for file and folder synchronization. Java JRE 1.7 or above is needed to run DirSync Pro.




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.




SyncFolders helps you to synchronize the contents of two folders, including any subfolders, track file modifications and deletions in a local database, propagate deletions and detect file renames, which is a noteworthy feature.




PureSync is a professional file backup and synchronization software, that can automatically keep a backup of your important files, import files from your digital camera and synchronize the contents of multiple folders, but not from "Windows Mobile" devices and no...




A super simple app to backup / synchronize folders on Windows 10 and import photos and videos from a camera or smartphone connected over USB or WiFi.




Former SyncToy user converted to FFS. Researched a lot of alternatives, found FFS came closest to what I needed. Completely dropped SyncToy now. Happily using FFS for several months.