An experimental operating system fully written in Rust, with a unikernel design, cooperative scheduling and a security model based on WASM sandboxing.
- Operating System
- Free • Open Source
- Rust

An experimental operating system fully written in Rust, with a unikernel design, cooperative scheduling and a security model based on WASM sandboxing.

risiOS is a Fedora based OS designed to make it easier to setup, and modernize the experience.

KaiOS brings smartphone-like functionalities to affordable phones: the KaiStore for apps. Video calls over 4G. Mobile payments through NFC. Even dual-SIM support.

Amazon Fire OS is an Android-based mobile operating system produced by Amazon for its Fire Phone and Kindle Fire range of tablets, and Fire TV; the tablet versions of the Kindle e-readers are the Fire range. It is forked from Android.

Fortinet FortiOS, an operating system underpinning Fortinet Security Fabric, is a solution designed to improve enterprise security, covering endpoints, cloud deployments, and centralized networks.

Linspire is a 64 bit Linux based OS, that is geared towards the business, education and government worker. It has all the applications business users will need for work, research and deployment among very high end desktop systems.

Bedrock Linux is a meta Linux distribution which allows users to utilize features from other, typically mutually exclusive distributions. Essentially, users can mix-and-match components as desired. For example, one could have:
The AROS Research Operating System is a lightweight, efficient, and flexible desktop operating system, designed to help you make the most of your computer. It's an independent, portable and free project, aiming at being compatible with AmigaOS at the API level (like Wine...

Download NOOBS - our easy operating system installer which contains Raspbian, and contains everything you'll need to get started with your Raspberry Pi.
Astian OS is an operating system that is based on the discontinued Firefox OS, development by Astian Foundation, thus allowing support for mobile devices, TV's, and other devices. Astian OS is completely free and open.

TurnKey Linux provides a super simple way to deploy open source web apps/server side applications in the cloud, VM or bare metal.

ArchBang is a simple GNU/Linux rolling release distribution which provides you with a lightweight Arch Linux system combined with the Openbox Window Manager.

NodeOS is a lightweight operating system using Node.js as userspace and managed by npm. Any package in npm is a NodeOS package, which at last count was 244,180 packages. The goal of NodeOS is to provide just enough to let npm provide the rest.
Linux From Scratch (LFS) is a project that provides you with the steps necessary to build your own custom Linux system. There are a lot of reasons why somebody would want to install an LFS system. The question most people raise is "why go through all the hassle of manually...
Desktop system for creators with focus on simplicity, elegance, and usability. Based on FreeBSD. Less, but better!
Finnix is a small, self-contained, bootable Linux CD distribution for system administrators, based on Debian GNU/Linux. You can use it to mount and manipulate hard drives and partitions, monitor networks, rebuild boot records, install other...

illumos is a free and open-source Unix operating system. It derives from OpenSolaris, which in turn derives from SVR4 UNIX and Berkeley Software Distribution (BSD). illumos comprises a kernel, device drivers, system libraries, and utility software for system administration.
An Ubuntu Distribution that aims to make the switch to Linux easier, simpler and faster not just for Windows users but also Mac and Linux Distro users alike for free. Feren OS aims to be one of the best Distros, if not OSs out there...

NixBSD is an attempt to make a reproducible and declarable BSD, based on NixOS. Although theoretically much of this work could be copied to build other BSDs, all work thus far has been focused on building a FreeBSD distribution.
A project providing a fully free (as in freedom) derivative of Arch Linux. Inheriting Arch's lightweight and flexibility, Parabola offers software freedom plus all power to the users.

Nanos is a new kernel designed to run one and only one application in a virtualized environment. It has several constraints on it compared to a general purpose operating system such as Windows or Linux - namely it's a single process system with no support for running...

An enhanced Operating System installer for the Raspberry Pi.
OpenIndiana is a robust enterprise operating system, based on the illumos kernel. It is open source, free to use, community developed, and suitable for servers and desktops.


Dragora GNU/Linux is a distribution created from scratch with the intention of providing a stable, multi-platform and multi-purpose operating system. It is built upon 100% free software. It has a very simple packaging system that allows installing, removing, upgrading and...
