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 type
Platforms
- Mac
- Windows
- Linux
- Flathub
- PortableApps.com
- Chocolatey




DirSync is described as 'Intuitive backup tool that can be run without installation. By comparing source and target files, only required files are copied, which greatly increases the working speed. By using multiple jobs, it is possible to perform complex data backups' and is a File Sync tool in the backup & sync category. There are more than 25 alternatives to DirSync for a variety of platforms, including Windows, Linux, Mac, Android and Flathub apps. The best DirSync alternative is FreeFileSync, which is both free and Open Source. Other great apps like DirSync are GoodSync, Unison File Synchronizer, SyncToy and Synkron.
Open-source software for syncing and backing up files across Windows, macOS, and Linux by transferring only essential data.




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.


SyncToy is a free PowerToy designed by Microsoft, that provides an easy to use graphical user interface that can automatically synchronize local or network files and folders, but not WebDAV-, "Windows Mobile" files or folders and no triangle-sync as only Allway Sync...

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.




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.




Celeste is a GUI file synchronization client that can connect to almost any cloud provider you'd like. It provides a streamlined experience to back up your files, and integrates directly into your desktop system.

FolderSync enables simple sync to cloud based storage to and from local folders on the device SD cards. It support a wide range of different cloud providers and file protocols, and support for more platforms are added continuously. Root file access supported on rooted devices.




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.




DSynchronize is a stand-alone utility that let you periodically synchronize two or more folders on Hard Disk, Floppy Disk, LAN, USB Key, CD-DVD (with packet writing software) and FTP server.




Kompare is a graphical diff and merge tool targeting developers. It allows users to compare two different text files or two directories. It is part of KDE Applications (and formerly part of KDE Software Compilation) and therefore primarily used on Linux and other Unix-like...

The only automated sync, back-up, collaboration and file management service powerful enough for a business user and easy enough for a novice. Secure, anywhere access to your files.


