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

Parallels Desktop

Parallels Desktop gives Mac users the ability to run Windows, Linux or any other operating system and their critical applications at the same time as Mac OS X on any Intel-powered Mac Pro, iMac, Mac Mini, MacBook or MacBook Pro.

Commercial

VMware Fusion

Seamlessly run your favorite Windows applications and devices, on any Intel-based Mac.

Commercial Mac OS X

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

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

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

MobaLiveCD

MobaLiveCD is a freeware that will run your Linux LiveCD on Windows thanks to the excellent emulator called "Qemu".

Free Open Source Windows

bochs

Bochs is a highly portable open source IA-32 (x86) PC emulator written in C++, that runs on most popular platforms. It includes emulation of the Intel x86 CPU, common...

Free Open Source Windows Linux AmigaOS MorphOS

BitBox

The Virtual Environment for secured and comfortable Web Browsing: On the basis of a “Browser-in-the-Box” concept a virtual machine is provided with a reduced operating system and a web browser encapsulated therein.

Free Windows Linux

OpenVZ

OpenVZ is container-based virtualization for Linux.

Free Open Source Linux

Paragon Virtualization Manager

A powerful tool to help you easily migrate a Windows-based computer to a virtual environment (P2V) of a major virtualization software vendor, regardless of how or where the computer is being backed up.

Commercial Windows

Boxes

A simple GNOME 3 application to access remote or virtual systems. It is based on a design from Jon McCann and Jakub Steiner.

Free Open Source Linux

JPC

PC is the fast Java™ x86 PC emulator. Features: - 100% pure Java - Runs as an applet - Modular and customisable - Snapshot capability - Integrated debugger - Bulletproof security

Free Open Source Mac OS X Windows Linux Web

AQEMU

aqemu is gui to qemu and kvm emulators, written in qt4. the program have user-friendly interface and allows to set up the majority of qemu and kvm …

Free Open Source Linux BSD

VMWare Disk Mount

The VMWare Disk Mount utility allows you to mount a VMDK file as a drive. VMWARE distributes a command line utility with no graphical interface (GUI). This is the graphical interface for the VMWare Disk Mount.

Free Windows

VMLite XP Mode

VMLite XP Mode offers similar functions as Microsoft Windows XP Mode, but doesn't require hardware virtualization. It allows you to run Windows XP at the same time from your desktop running on a different host operating system.

Commercial Windows

VMLite MyOldPCs

Here are the simple steps it takes to have your old PC up and running in your new PC, using VMLite: * Get an external hard drive that can hold all the data on your...

Commercial Windows

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