openmamba GNU/Linux is a ready-to-use operating system for netbooks, notebooks, desktop and server personal computers.

GNU-Darwin is described as 'Aims to be the most free software distribution. Our mission is two-fold: Focus on projects that leverage our unique combination of Darwin and GNU, and help users to enjoy the benefits of software freedom' and is a operating system in the os & utilities category. There are more than 100 alternatives to GNU-Darwin for a variety of platforms, including Linux, Self-Hosted, BSD, Windows and Mac apps. The best GNU-Darwin alternative is Linux Mint, which is both free and Open Source. Other great apps like GNU-Darwin are Debian, Fedora, Arch Linux and openSUSE.
openmamba GNU/Linux is a ready-to-use operating system for netbooks, notebooks, desktop and server personal computers.

The CLIP OS project is an open source project maintained by the ANSSI (National Cybersecurity Agency of France) that aims to build a secure, multi-level operating system, based on the Linux kernel and a lot of free and open source software.
AmigaOS is the proprietary native operating system of the Amiga and AmigaOne personal computers, introduced with the launch of the first Amiga, the Amiga 1000, in 1985.




Xinuos OpenServer™ 10 is a 64-bit operating system based on the popular FreeBSD and designed to support business applications within an enterprise environment.
An open-source OS for exploration, creation, and play. Kano OS is based on the Raspbian OS which itself is based on Debian, a Linux based operating system.




Minoca OS is a general purpose operating system designed specifically for feature-rich embedded devices. It's got all the high-level functionality that you've come to expect from an operating system, but offers it in a fraction of the memory footprint.




BSD-derived desktop OS designed for usability, featuring graphical ports management, GNUstep system configuration, standard tools for daily tasks including email, web browsing, and word processing, supporting multiple licenses like BSD, X.org, and GNUstep.


ravynOS is a new open-source desktop operating system that aims to provide a similar experience and compatibility with macOS on x86-64 systems.


General purposed Web Desktop Operating Platform / OS for Raspberry Pis, Now written in Go! - tobychui/arozos




Salix is a GNU/Linux distribution based on Slackware that is simple, fast and easy to use, with stability being a primary goal.


Korora is an installable Fedora Remix Live USB image which aims to provide a complete out of the box experience for new users, including support for multimedia.


GeckoLinux is a Linux spin based on the openSUSE distribution, with a focus on polish and out-of-the-box usability on the desktop.


