MenuetOS

MenuetOS
Screenshot
DeveloperVille M. Turjanmaa
Written inFASM assembly language
Working stateBeta
Source modelOpen source (32-bit)
Closed source (64-bit)
Initial releaseMay 16, 2000 (2000-05-16) (32-bit)
Latest release32-bit: 0.86B / September 2, 2019 (2019-09-02)
64-bit: 1.56.00 / April 4, 2025 (2025-04-04)
Available inEnglish, Russian, Chinese, Czech, Serbian
PlatformsIA-32, x86-64
Kernel typeMonolithic
Default
user interface
Graphical user interface by Yamen Nasr
License32-bit: GPL-2.0-only
64-bit: Proprietary
Official websitewww.menuetos.net

MenuetOS is an operating system with a monolithic preemptive, real-time kernel written in FASM assembly language. The system also includes video drivers. It runs on 64-bit and 32-bit x86 architecture computers. Its author is Ville M. Turjanmaa. It has a graphical desktop, games, and networking abilities (TCP/IP stack). One distinctive feature is that it fits on one 1.44 MB floppy disk.