Bacula (Manage backup, recovery) - Client only

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 very 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.