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

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 ...

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 ...

OpenBSD 7.9 is the 60th release of the open-source operating system and brings many improvements in security and networking.

TechRepublic covers the full range of open source software with reviews, tutorials, and advice for how to get it and integrate it into your environment.