Restic - Easy: Doing backups should be a frictionless process, otherwise you are tempted to skip it.
Truck - A faster alternative to FTP
UrBackup - UrBackup is a open source client/server backup system, that through a combination of image and file...
csync - csync is a lightweight utility to synchronize files between two directories on a system or between...
Duplicacy - A new generation cross-platform cloud backup tool
CopyQueue - CopyQueue - Copying under control.