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.
Mesosphere - Cluster Management and OpenStack Cloud
SolusVM - Solus Virtual Manager (SolusVM) is a powerful GUI based VPS management system with full OpenVZ...
Virtualizor - Virtualizor is a powerful web based VPS Control Panel.
SolarWinds Virtualization Manager - SolarWinds Virtualization Manager is a virtual machine monitoring and troubleshooting.
Xen Orchestra - A complete web UI for controlling a XenServer or Xen infrastructure.