Systweak Right Backup - Systweak Right Backup lets you manage, access and share your data stored online.
Restic - Easy: Doing backups should be a frictionless process, otherwise you are tempted to skip it.
UrBackup - UrBackup is a open source client/server backup system, that through a combination of image and file...
Wasabi - Storage made simple. Faster than Amazon's S3. Less expensive than Glacier.
Duplicacy - A new generation cross-platform cloud backup tool
BackupChain - BackupChain Backup Software backs up your system, virtual machines, and databases while running.