Qemu Simple Boot - It is a generic machine emulator and virtualizer.
MSYS2 - A Cygwin-derived software distro for Windows using Arch Linux's Pacman
coLinux - Cooperative Linux is the first working free and open source method for optimally running Linux on Microsoft Windows natively.
BootMed - The BootMed Live CD is an Ubuntu Remix for those new to Linux.
QEMU - QEMU (short for "Quick EMUlator") is a free and open-source hosted hypervisor that...
Ultimate Boot CD - The last Boot CD you'll ever need. You need the Ultimate Boot CD if you want to: