restic
Fast, secure and efficient backup program
...It makes doing backups a fast and frictionless process, so you can backup your files every day if you need to. It supports backends for storing backups natively, including on the local directory, sftp server (via SSH), HTTP REST server (protocol rest server), OpenStack Swift, among many others. It also uses cryptography to ensure the confidentiality and integrity of your data.
Restic supports Windows, macOS and Linux operating systems, as well as FreeBSD and OpenBSD.