FluidVM is a virtualization platform from K7 Computing. It can manage multiple virtualization technologies. FluidVM is multi-user with technologies like HotMigrate, VMEvict, VMBalance and ServiceEnsure. FluidVM supports both local storage and SAN Storage.
FluidVM have created a HyperVM API emulation mode and therefore it can be used with automation from WHMCS using the HyperVM module. See http://wiki.fluidvm.com/index.php?title=WHMCS_Setup for setup instructions.