OpenNode is described as 'open source server virtualization solution providing easy to use bare-metal ISO installer. It's based on CentOS and supports both OpenVZ container-based virtualization and emerging KVM full virtualization technology on the same host' and is an app in the Network & Admin category. There are eight alternatives to OpenNode for a variety of platforms, including Linux, Windows, Self-Hosted solutions, Univention Corporate Server and NVIDIA vGPU. The best alternative is Proxmox Virtual Environment, which is both free and Open Source. Other great apps like OpenNode are VMware vSphere Hypervisor (Paid), Microsoft Hyper-V Server (Free), SmartOS (Paid) and Virtualizor (Paid).
The Collax V-Bien is a complete package for virtualization and high availability. In addition to software and hardware, it also includes the patented Collax Fencing Device and support. Virtual networking, easy administration, data integrity.