Borg Backup - Deduplicating backup program with compression and authenticated encryption
Online Vault Backup - Online Vault Backup is a cloud storage service that allows you backup your data while having unlimited storage.
BURP - Burp is a network backup and restore program.
Rebel Backup - Rebel Backup lets you make encrypted backups of your important files to Dropbox or Google Drive.
Restic - Easy: Doing backups should be a frictionless process, otherwise you are tempted to skip it.
Data Deposit Box - Backup all of your PCs, Macs and Mobile devices into ONE account.