XCP-ng

XCP-ng is a CentOS-based Linux server distribution designed to be a high-performance enterprise-level virtualization platform that uses Xen, a free and open-source hypervisor that allows multiple computer operating systems to execute on the same computer hardware concurrently. XCP-ng stands for Xen Cloud Platform - next generation, it is the modern successor to XCP, initially created as an open-source version of Citrix XenServer back in 2010. XCP-ng is a secure platform to run any kind of virtualization workload, while being managed by a central administration console called Xen Orchestra (XO).