Citrix XenServer Enterprise including XenMotion now Free + for Hyper V!
Citrix Systems Products » XenServer/Essentials XenServer
Enterprise-class. Cloud-proven. Free.
Citrix XenServer™ is the only enterprise-class, cloud-proven virtualization platform that delivers the critical features of live migration and centralized multi-server management at no cost. XenServer is an open and powerful server virtualization solution that radically reduces datacenter costs by transforming static and complex datacenter environments into more dynamic, easy to manage IT service delivery centers.
By providing features like live migration, shared storage support, centralized multi-server management plus P2V and V2V conversion tools in the free version, XenServer enables any organization, no matter the size or budget, to immediately benefit from the power of server virtualization.
Citrix Systems Products » XenServer/Essentials Essentials for Hyper-V
Citrix introduces a new solution called Citrix® Essentials™ for Microsoft® Hyper-V™, offering advanced virtualization management capabilities for Microsoft Windows Server® 2008 Hyper-V to help customers create highly scalable, manageable and agile virtual infrastructures. The new solution will extend the enterprise management capabilities of Windows Server 2008 Hyper-V and System Center in the areas of storage management, provisioning services and lab automation.