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.
runit - runit is a cross-platform Unix init scheme with service supervision, a replacement for sysvinit...
SolusVM - Solus Virtual Manager (SolusVM) is a powerful GUI based VPS management system with full OpenVZ...
Supervisor - Supervisor is a client/server system that allows its users to monitor and control a number of...
Xen Orchestra - A complete web UI for controlling a XenServer or Xen infrastructure.
sysvinit - Savannah is a central point for development, distribution and maintenance of free software, both GNU and non-GNU.