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 my top picks.
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 used to.

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 ...
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 ...