Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
SolusVM - Solus Virtual Manager (SolusVM) is a powerful GUI based VPS management system with full OpenVZ...
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
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.
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.
Xen Orchestra - A complete web UI for controlling a XenServer or Xen infrastructure.