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

There’s a large selection of free and open source (FOSS) operating systems available these days, and choosing the right one for any given circumstance can be quite a challenge. This article is ...

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 ...

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 ...

My browser is now running an operating system, and really, I have questions.

Resist the urge to toss that old phone. Give it a second life by installing this open-source version of Android optimized for outdated hardware. That's where LineageOS comes in. This is an open-source ...

The Software for Open Networking in the Cloud (SONiC) project, an open source network operating system (NOS) under the Linux Foundation, is accelerating its growth today with new members and ...

As the Japanese government prepares to introduce more electronic government projects next year, it has begun studying open-source operating systems in a move that could lead to the replacement of some ...