VirtualBox

VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as home use.

Free Open Source Windows Linux BSD Mac Solaris

QEMU

QEMU (short for "Quick EMUlator") is a free and open-source hosted hypervisor that performs hardware virtualization.

Free Open Source Mac OS X Windows Linux BSD

KVM (Kernel-based Virtual Machine)

KVM (for Kernel-based Virtual Machine) is a full virtualization solution for Linux on x86 hardware containing virtualization extensions (Intel VT or AMD-V). It consists of a loadable kernel module, kvm.

Free Open Source Linux

Proxmox Virtual Environment

Proxmox Virtual Environment is an easy to use Open Source virtualization platform for running Virtual Appliances and Virtual Machines.

Freemium

Xen

Xen.org, home of the Xen hypervisor, the powerful open source industry standard for virtualization.

Free Open Source Linux

VMware vSphere Hypervisor

VMware vSphere Hypervisor ( based on ESXi ) is a free bare-metal hypervisor that virtualizes servers so you can consolidate your applications on less hardware.

Commercial Windows Linux

virt-manager

The virt-manager application is a desktop user interface for managing virtual machines through libvirt. It primarily targets KVM VMs, but also manages Xen and LXC (linux containers).

Free Open Source Linux

Microsoft Hyper-V Server

Microsoft® Hyper-V™ Server 2008 R2 is a stand-alone product that provides a reliable and optimized virtualization solution enabling organizations to improve server utilization and reduce costs.

Commercial Windows Linux

Portable Virtualbox

portable-virtualbox is a free and open source software tool that lets you run any operating system from a usb stick without separate installation. it unpacks and adjusts the paths and configuration of virtualbox so it will run portably.

Free Open Source Windows

Citrix XenServer

XenServer is a turnkey open source virtualization solution that provides out-of-the box virtualization and cloud computing.

Free Open Source Windows Linux

oVirt

oVirt is a virtualization management application.

Free Open Source Linux

OpenVZ

OpenVZ is container-based virtualization for Linux.

Free Open Source Linux

UCS Virtual Machine Manager

UCS Virtual Machine Manager (UVMM) is an easy-to-use and powerful administration tool for KVM.

Free Open Source Linux Univention Corporate Server

Kimchi

Kimchi is an HTML5 based management tool for KVM. It is designed to make it as easy as possible to get started with KVM and create your first guest.

Free Open Source Linux

OpenNode Cloud Platform

OpenNode Cloud Platform is an open source server virtualization and management solution, offering an easy and flexible way for creating your IaaS service.

Free Open Source Linux

QEMU Manager

qemu manager is an easy to use management tool for the open-source qemu emulator. it has a wealth of features for creating, managing...

Free Windows