Leostream. The physical-to-virtual migration tool supports the major Windows platforms on the source side, with both VMware GSX and ESX Server, and Microsoft's VirtualServer virtualization platforms, as targets.

Opalis. for automating datacenter maintenance tasks integrates with VMware VirtualCenter and can provision, monitor, back up, and recover Microsoft Virtual Server virtual machines.

Opsware. This high-profile datacenter automation company offers a that can provision, monitor, and manage VMware ESX virtual machines and Solaris Containers.

PlateSpin. automates migration from physical Windows and Linux servers to virtual VMware and Microsoft VirtualServer environments, with support for server consolidation and disaster recovery.

Scalent. This company's ambitious lets you move server instances seamlessly among physical servers and even among virtualization platforms while retaining network, iSCSI, and Fibre Channel connections.