FreeOS/1 is a Free, Open Source, FreeDOS based Free and Open Source Alternative OS, with open source Microsoft Windows compatibility using HXDOSExtender KernelEx,and ReactOS source code. FreeOS/1 will include new technologies and will be easy to use
Features to include a GUI support for as much HW for the supported systems as possible and a system of system extensions for easy expandability of the OS.
Home of Doors OS project
Linux OS from ubuntu, customisable for everyone, social and media
Ubuntu based GNU/Linux system, use Gnome Shell. Easy for learn Linux and programming. All software of everyday use. Wine and Virtual Machine for use other OS.
Genis is an OS written in managed code (C#). Its purpose is to be a usable, but powerful text based operating system.