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




JFileSync is described as 'Java application used to synchronize directories of two different file systems. For instance, you want to synchronize a set of directories on your laptop with a set of corresponding directories on your workstation. English and German UI' and is a File Sync tool in the backup & sync category. There are more than 10 alternatives to JFileSync for a variety of platforms, including Windows, Linux, Mac, Web-based and Android apps. The best JFileSync alternative is FreeFileSync, which is both free and Open Source. Other great apps like JFileSync are Unison File Synchronizer, SyncToy, DSynchronize and Bacula.
Open-source software for syncing and backing up files across Windows, macOS, and Linux by transferring only essential data.




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...

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.




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.




Compare Advance makes comparing any two folders an easy job. The stylish interface highlights what's different between the two folders and a powerful synchronization dialog makes reconciling those differences easy too.

Directory Compare is a utility to help you keeping copies of your important directories (documents, programs under development and so on) in a backup hard disk or any other storage system (like USB drives or CD-RW disks).

A graphical interface for the Rsync engine that will synchronise files between two computers either locally or over the internet. The beauty of Rsync is that it only transfers the exact part of a file that has changed (differential synchronisation), saving bandwidth and time.

Experience seamless file synchronization and sharing with advanced encryption across Windows, Mac, and Linux. Effortlessly backup and sync files, music, and photos with maximum privacy and cross-device compatibility.




Kup is created for helping people to keep up-to-date backups of their personal files. Connecting a USB hard drive is the primary supported way to store files, but saving files to a server over a network connection is also possible for advanced users.




FolderMatch is a program that compares directories and files, showing the differences clearly.




nsync is a free, open source software that performs synchronization of your data between desktop PCs, laptops, USB drives and more.
