LBackup is an open source (GNU GPL) backup system, aimed at systems administrators who demand reliable backups.
License: GNU General Public License v3
Further information including basic and more advanced usage is available from the following URL: http://www.lbackup.org
If you wish to build an OS X package installer then the following project will be of interest : http://www.github.com/henri/lbackup_install_osx
If you wish to build a .deb installer for use on debian based operating systems then the following project will be of interest : http://www.github.com/henri/lbackup_install_debian
Instructions for installing directly from source are available from the following URL : http://www.lbackup.org/source