ReactOS™ is a FOSS effort to develop a quality operating system based on the architecture of Microsoft® Windows™ NT family of operating systems, that is compatible with applications and drivers written for it (NT4, 2000, XP, 2003, Vista, 7).




2/OS is described as 'Windows-like operating system under posix system' and is a operating system in the os & utilities category. There are more than 50 alternatives to 2/OS for a variety of platforms, including Linux, Self-Hosted, BSD, Mac and Windows apps. The best 2/OS alternative is Linux Mint, which is both free and Open Source. Other great apps like 2/OS are Ubuntu, Debian, Fedora and Manjaro Linux.
ReactOS™ is a FOSS effort to develop a quality operating system based on the architecture of Microsoft® Windows™ NT family of operating systems, that is compatible with applications and drivers written for it (NT4, 2000, XP, 2003, Vista, 7).




Qubes is an open source operating system designed to provide strong security for desktop computing.




Gentoo Linux is a versatile, fast, highly configurable and completely free Linux and FreeBSD distribution geared towards developers and network professionals.



NixOS is a GNU/Linux distribution that aims to improve the state of the art in system configuration management. In existing distributions, actions such as upgrades are dangerous: upgrading a package can cause other packages to break, upgrading an entire system is much less...


Raspberry Pi OS (previously called Raspbian) is the Foundation’s official supported operating system. You can install it with NOOBS or download the image below and follow our installation guide.


Haiku is an open-source operating system that specifically targets personal computing. Inspired by the BeOS, Haiku is fast, simple to use, easy to learn and yet very powerful.




Puppy Linux is a unique family of Linux distributions meant for the home-user computers. It was originally created by Barry Kauler in 2003.


Red Hat is the leader in development, deployment, and management of Linux and open source solutions for Internet infrastructure - ranging from embedded devices to secure Web servers. Red Hat was founded in 1994 by visionary entrepreneurs Bob Young and Marc Ewing.

The OpenBSD project produces a FREE, multi-platform 4.4BSD-based UNIX-like operating system. Our efforts emphasize portability, standardization, correctness, proactive security and integrated cryptography.


Solus Operating System is a Linux distribution built from scratch, exclusively for desktop systems. There is no scope-creep associated with generic platforms, and the project aims to provide a modern and focused desktop-centric solution, that is designed to keep out of the way...

Deepin is a reinterpretation to creativity and individuality. It is not only a rebirth to the system appearance, but also a brand-new upgrade to the operating experience! All of this lets deepin become the best partner of your computer.




Google Chrome OS is a Linux-based operating system designed by Google that uses the Google Chrome web browser as its principal user interface, so it works primarily with web applications.

