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

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

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 ...

Linux turns 35 years this year, and the operating system remains the backbone of most supercomputers. Here's why the world's ...

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 ...

The Steam Deck was a revolution in mobile gaming for PC, but it was also one for a reason most people weren't aware of: bringing Linux to the masses. The Steam Deck runs SteamOS, its own custom ...

Don't neglect how convenient a user interface can be.

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 ...