Backup
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the Open Source, Network Backup Tool for Linux, Unix, and Windows
Bacula is a set of Open Source, computer programs that permit you (or the system administrator) to manage backup, recovery, and verification of computer data across a network of computers of different kinds. Bacula is relatively easy to use and efficient, while offering many advanced storage management features that make it easy to find and recover lost or damaged files. In technical terms, it is an Open Source, network based backup program . Bacula.org is the community home of the Bacula project, for developers and contributors.
Areca Backup is an Open Source personal backup solution which is released under the General Public License ( GPL ) v2. It basically allows you to select a set of files / directories to back-up, choose where and how (as a simple file copy, as a zip archive, ...) they will be stored, and configure post-backup actions (like sending backup reports by email or launching custom shell scripts)