FreeFileSync
Open Source
FreeFileSync is a free open source backup software which helps you compare and synchronize files and folders on Windows, Linux and macOS.
Duplicati
Open Source
Duplicati is a backup tool, not a file sync tool.
Syncovery
Commercial
Syncovery will copy your files the way you need it, Back up your data and synchronize PCs, Macs, servers, notebooks and online storage space.
Qtd Sync
Open Source
Qtd Sync is a backup client and server.
rsync
Open Source
rsync is a utility for efficiently transferring and synchronizing files across computer systems, by checking the timestamp and size of files.
Areca Backup
Open Source
Areca Backup is a personal file backup software developed in Java. It is released under the GNU General Public License (GPL) 2.
DirSync Pro
Open Source
DirSync Pro is an open source synchronization and backup utility for Windows, Linux, macOS, and all other operating systems that run Java.
Compare FBackup with alternatives
Compare FreeFileSync and FBackup and decide which is most suitable for you.
Compare Areca Backup and FBackup and decide which is most suitable for you.
Compare DirSync Pro and FBackup and decide which is most suitable for you.