My 5 favorite open source operating systems that aren't Linux

Looking for non-Linux open-source options? From ghosts of past operating systems to fascinating works in progress, here are ...

The nostalgic software that made Microsoft huge is now open source for anyone to use

The software that helped build Microsoft into what it is today has been open-sourced on GitHub. The release marks 45 years ...
How-To Geek on MSN

5 open-source operating systems everyone mistakes for Linux

FreeBSD, Haiku, and other systems everyone mistakes for Linux are actually their own OS outside of the system that you are ...

Microsoft open-sources “the earliest DOS source code discovered to date”

For students of early PC history, this isn’t even the first piece of 86-DOS history that has been newly rediscovered this ...

Microsoft finally open sources DOS 1.0 - and it's so much more than the code

Microsoft finally open sources DOS 1.0 - and it's so much more than the code ...
Liliputing

ReactOS 0.4.15 brings audio, memory, security, and plug and play improvements (Open source Windows-compatible OS)

ReactOS is a free and open source operating system designed to be compatible with Windows software and drivers. While it’s been under active development since 1999, the operating system is still ...

AI Just Hacked One Of The World's Most Secure Operating Systems

An AI agent just autonomously exploited a FreeBSD kernel vulnerability in four hours, signaling a fundamental shift in the ...
Electronic Design

Why Proprietary Operating Systems are Critical in a Safety-Critical Era

Open-source or commercial off-the-shelf (COTS) operating systems? In an era of safety-critical embedded systems, the debate among developers is shifting. Embedded systems are the invisible backbone of ...