An open source alternative to VMWare.

A pure Java emulation of an x86 PC with fully virtual peripherals, licensed under the GNU GPL. Describes the implementation and shows some screenshots as well as online-versions of the emulator running FreeDOS and GNU/Linux.

Provides a virtual computer that can be run from USB flash drive without installing anything on the desktop computer.

An IBM PC 5150 emulator. The emulation is complete enough to boot DOS and run most DOS applications. Description and Downloads.

Simulates a x86 processor and can be used to run Linux as a guest. It also can be used to accelerate bochs by executing user code inside the plex86 VM, while letting bochs execute kernel code and IO functionality inside the emulator.

Allows to run "virtual personal computers" on a PC. Describes the product, availability and provides online-support.

Emulate a basic PC with a VGA text-only display.

Makers of Ubuntu Linux-based virtual appliances for VMware, XenServer, Microsoft Virtual PC/Virtual Server, and Virtual Iron. Products, partners, support, forum.

Parallels virtual machine allows users to run multiple operating systems (Windows, Linux, FreeBSD, OS/2 etc.) in independent virtual machines on a single physical computer. Products, support, download.

An online publication for news and information on virtualization technologies.