Kubuntu is an official "flavor" of Ubuntu that uses the KDE Plasma desktop environment. This gives it a completely different look and feel.


RISC OS is described as 'Risc OS is an open-source OS specifically designed to run on the ARM chipset' and is a operating system in the os & utilities category. There are more than 100 alternatives to RISC OS for a variety of platforms, including Linux, Self-Hosted, BSD, Mac and Windows apps. The best RISC OS alternative is Linux Mint, which is both free and Open Source. Other great apps like RISC OS are Ubuntu, Debian, Fedora and Arch Linux.
Kubuntu is an official "flavor" of Ubuntu that uses the KDE Plasma desktop environment. This gives it a completely different look and feel.


FreeBSD is an operating system used to power modern servers, desktops, and embedded platforms. A large community has continually developed it for more than thirty years. Its advanced networking, security, and storage features have made FreeBSD the platform of choice for many of...


Versatile OS with universal app architecture, free first-year offer for Windows 7 and 8.1 users, redesigned mouse-touch UI, virtual desktop, Microsoft Edge, upgraded security, and enhanced graphics for gaming, supporting fingerprint and face recognition login.




Windows 10 is the most popular commercial alternative to RISC OS.
Pop!_OS is an operating system for STEM and creative professionals who use their computer as a tool to discover and create. Unleash your potential on secure, reliable open source software. Based on your exceptional curiosity, we sense you have a lot of it.




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.




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...


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



Lubuntu is a fast and lightweight operating system with a clean and easy-to-use user interface. It is a Linux system, that uses the minimal desktop LXDE/LXQT.




CentOS is a community-supported, free and open source operating system based on Red Hat Enterprise Linux. It exists to provide a free enterprise class computing platform and strives to maintain 100% binary compatibility with its upstream distribution.




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.

