WholesaleBackup - WholesaleBackup is an online data backup service provider that turns your system into a backup server, allowing you to host the backup data on your own Windows Server environment.

Borg Backup - Deduplicating backup program with compression and authenticated encryption

Rebel Backup - Rebel Backup lets you make encrypted backups of your important files to Dropbox or Google Drive.

BURP - Burp is a network backup and restore program.

Data Deposit Box - Backup all of your PCs, Macs and Mobile devices into ONE account.

Restic - Easy: Doing backups should be a frictionless process, otherwise you are tempted to skip it.