ServerWatch: Open Source Backup, From A to Z

“With 20,000 global deployments as a part of every major Linux
distribution, Amanda Network Backup project has provided an open
source alternative to proprietary backup systems since 1991. But
there has been no formal enterprise edition, until now.

“A new start-up called Zmanda has released an enterprise edition
of Amanda in addition to a network-based approach for subscription
and support…”