OpenVZ creates isolated, secure virtual private servers on a single physical server enabling better server utilization and ensuring that applications do not conflict.
Plex86 is an extensible free PC virtualization software program which will allow PC and workstation users to run multiple operating systems concurrently on the same machine. . Plex86 is able to run se
KVM (for Kernel-based Virtual Machine) is a full virtualization solution for Linux on x86 hardware containing virtualization extensions (Intel VT or AMD-V).
Desktop Multiplier(TM) is a virtualized X-server (multi-seat, multi-station) that turns 1 PC into ten saving on hardware, maintenance, and power costs (Trial Version)
Basilisk II is an Open Source 68k Macintosh emulator. That is, it enables you to run 68k MacOS software on you computer, even if you are using a different operating system.
The VirtualBox Open Source Edition (OSE) is the one that has been released under the GPL and comes with complete source code. VirtualBox is a free PC virtualization solution allowing you to run a wide
Win4Lin Pro Desktop 4.5 runs Windows 2000/XP applications as intended, without the need to patch the host operating system (e.g. no need to patch the Linux kernel).