Fusion OS is a Open Source Operating System, mainly licensed under the MPL 1.1. Parts of it are licensed upder the GNU GPL or other open source licenses. Fusion OS is based on the ReactOS project, and we contribute any bugs found in ReactOS back to them
An operating system kernel designed with simplicity, readability, and elegance in mind. No longer written from scratch, but built on "the shoulder of giants." Specifics are given in the CREDITS file starting from v0.04
UMLWIN32 is a port of linux kernel based on user mode linux (UML) to make linux bootup in a virtual machine on top of different windows platforms. This provides an authentic open-source alternative to run linux kernel and native linux binaries on windows.