_best_: Free Xenserver

XCP-ng (Xen Cloud Platform - New Generation) is a fully open-source virtualization platform. It was created to provide a community-driven, free alternative when Citrix initially restricted the free version of their commercial product.

In 2024, the branding returned to . While there isn't a "free forever" version for everyone in the traditional sense, Citrix introduced significant entitlement changes: free xenserver

For years, Citrix XenServer (later rebranded as Citrix Hypervisor) offered a "Free Edition." It was a darling of the IT world because it provided enterprise features—like live migration and centralized management via XenCenter—at zero cost. XCP-ng (Xen Cloud Platform - New Generation) is

A hypervisor is useless without a way to manage it. This is where the "Free" conversation usually hits a snag. While there isn't a "free forever" version for

: Automatically restart VMs on a different host if a physical server fails.