Duplicati is a free backup client that securely stores encrypted, incremental, compressed backups on cloud storage services and remote file servers -> http://www.duplicati.com/

Initially copied from SVN project DUPLICATI http://duplicati.googlecode.com/svn/tags/1.3.4/ (overall revision 1558 (backend rev 1514), tagged by kenneth@hexad.dk, 02.02.2013, tagged 1.3.4 release)

Modified to include additional functionality to SSH backend library, enabling sending WOL packet to server at the beginning of each backup operation. (boredman@boredomprojects.net - 25.01.2014 -> Version 1.3.4.1)

for additional info see blog at: http://BoredomProjects.net/index.php/projects/ubuntu-backup-server