Duplicati - Free backup software to store backups online with strong encryption. Works with FTP, SSH, WebDAV, OneDrive, Amazon S3, Google Drive and many others.

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

Timeshift - System restore tool for Linux. Creates filesystem snapshots using rsync+hardlinks, or BTRFS snapshots. Supports scheduled snapshots, multiple backup levels, and exclude filters. Snapshots can be re...

Déjà Dup - Déjà Dup is a simple backup tool.

rsync - rsync is a file transfer program for Unix systems. rsync uses the "rsync algorithm" which provides a very fast method for bringing remote files into sync.

UrBackup - UrBackup is a open source client/server backup system, that through a combination of image and file...