Quoting from the Enomaly official announcement:
Enomaly, Inc., an innovator in virtualization solutions, today announced the Beta deployment of Enomalism, a pre-packaged virtualization infrastructure solution based on Xen 3.0 and available under LGPL open source license.
The Enomalism Virtualized Management Console (VMC) is a powerful web-based systems administrator management tool for XEN hypervisor that enables the management of multiple isolated Virtual Private Servers (VPS) to be managed from a central web based interface.
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Enomalism enables customers from a single interface to start, stop and move virtual machines from one physical computer to another without any interruption in service or availability. Enomalism comes equipped with a provisioning wizard which deploys new virtual machines and centralized user management. Customers can manage memory resources changing virtual machine behavior so priorities are easily met.
Download it here.