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

You need to guarantee that Agent A cannot access Client B's data, that spending stays within budget, and that sensitive ...

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 ...

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

Forbes contributors publish independent expert analyses and insights. A former tech executive covering AI and XR for Forbes. San Francisco-based startup Mentra has raised $8 million to launch MentraOS ...

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

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

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 ...