SolusVM - Solus Virtual Manager (SolusVM) is a powerful GUI based VPS management system with full OpenVZ...
VMmanager - VMmanager is a QEMU/KVM server virtualization management software, which presents perfect tools for creating virtual machines, providing VPS services, and building cloud infrastructure.
Virtualizor - Virtualizor is a powerful web based VPS Control Panel.
Xen Orchestra - A complete web UI for controlling a XenServer or Xen infrastructure.
WebVirtMgr - WebVirtMgr is a libvirt-based Web interface for managing virtual machines.
oVirt - oVirt is a virtualization management application.