Restic - Easy: Doing backups should be a frictionless process, otherwise you are tempted to skip it.
Synchromat - Synchromat is file and folder synchronization software for Windows.
UrBackup - UrBackup is a open source client/server backup system, that through a combination of image and file...
MirrorFolder - MirrorFolder is a real-time folder synchronization and backup software
Duplicacy - A new generation cross-platform cloud backup tool
CopyQueue - CopyQueue - Copying under control.