The Datawrangling blog was put on the back burner last May while I focused on my startup. Now that I have some bandwidth again, I am getting back to work on several pet projects (including the Amazon EC2 Cluster).
Areca-Backup is an open-source, easy to use and relyable backup solution for Linux and Windows that performs incremental, differential, delta and mirror backups on local hard drives, remote directories or FTP/FTPs servers.
J. MacQueen. Proceedings of the 5th Berkeley Symposium on Mathematical Statistics and Probability - Vol. 1, page 281--297. University of California Press, Berkeley, CA, USA, (1967)