Proxmox VE

Proxmox VE / Virtual Environment - is a complete, open-source server management platform for enterprise virtualization. It tightly integrates the KVM hypervisor and Linux Containers (LXC), software-defined storage and networking functionality, on a single platform. With the integrated web-based user interface you can manage VMs and containers, high availability for clusters, or the integrated disaster recovery tools with ease.

The enterprise-class features and a 100% software-based focus make Proxmox VE the perfect choice to virtualize your IT infrastructure, optimize existing resources, and increase efficiencies with minimal expense. You can easily virtualize even the most demanding of Linux and Windows application workloads, and dynamically scale computing and storage as your needs grow, ensuring that your data center adjusts for future growth.

You can read about this and other PROXMOX products here