The FSF has rather bitter words about ReactOS that would keep them from admitting such, "ReactOS is meant as a free binary compatible replacement for Windows. A

The FSF has rather bitter words about ReactOS that would keep them from admitting such, "ReactOS is meant as a free binary compatible replacement for Windows. Allowing people to continue using the proprietary software and drivers meant for Windows is one of the stated goals of the project."[1] Also note on the same page their disdain of more permissive licenses, like BSD and Apache, calling them "pushover". [1] http://www.gnu.org/distros/common-distros.en.html http://www.gnu.org/distros/common-distros.en.html