XCP-ng is described as 'High-performance, enterprise-level hypervisor with a rich ecosystem and the result of massive cooperation between individuals and companies. All commercial features are enabled with no commitment required to a support agreement' and is a Virtualization tool in the network & admin category. There are more than 10 alternatives to XCP-ng for a variety of platforms, including Linux, Self-Hosted, Windows, Mac and NVIDIA vGPU apps. The best XCP-ng alternative is VirtualBox, which is both free and Open Source. Other great apps like XCP-ng are Proxmox Virtual Environment, OpenStack, VMware vSphere Hypervisor and Xen.