XEN

The Xen Cloud Platform (XCP) is an open source enterprise-ready server virtualization and cloud computing platform, delivering the Xen Hypervisor with support for a range of guest operating systems - including Windows and Linux network and storage support, management tools in a single, tested installable image, which is also called XCP appliance. The Xen plugin communicates with XCP through its API, enabling you to manage VMs, storage, networking, host configuration and pools.