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 ...
Hosted on MSN

9 open source operating systems that aren't Linux

If you hear the term "open-source," you might think of Linux. However, Linux distros aren't the only open-source operating systems. There are plenty in use today besides Linux. Some date back to even ...

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

Want a blast from the past? Microsoft just open-sourced its very first operating system, offering a rare insight into the ...
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 ...
Liliputing

loss32 is an operating system that combines Win32 apps with a Linux kernel (and other open source software)

Modern Linux distributions are powerful operating systems that can fully replace Windows or macOS for many users. But there are still some Windows-only applications that may not be available for Linux ...