Nothing more than an Operating System, that runs in Protected Mode and supports Multi-tasking and Multi-threading, with a nice GUI (sort of) + some basic drivers and Apps....
NOTE: It's out-of-date, the new version will be released soon.
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
The Danber project aims to create an operating system where both Windows and Linux programs can be run: it is a Windows NT based kernel, but with UNIX user mode compatibility. Support for both PE and ELF executable formats.
AI-powered service management for IT and enterprise teams
Enterprise-grade ITSM, for every business
Give your IT, operations, and business teams the ability to deliver exceptional services—without the complexity. Maximize operational efficiency with refreshingly simple, AI-powered Freshservice.
Open OS aims to be a Linux-based operating system with true and complete Win16 and Win32 compatibility as well as enhanced features. OpenOS will rely on the XWindows server, but will use its own desktop environment and window manager.