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




Pear Linux is described as 'The purpose of Pear Linux is to create an operating system based on Linux (https://alternativeto.net/software/ubuntu/ mini remix) and propose a simple but powerful interface' and is a operating system in the os & utilities category. There are more than 50 alternatives to Pear Linux for a variety of platforms, including Linux, BSD, Self-Hosted, Mac and Windows apps. The best Pear Linux alternative is Linux Mint, which is both free and Open Source. Other great apps like Pear Linux are Ubuntu, Debian, Fedora and Arch Linux.
Qubes is an open source operating system designed to provide strong security for desktop computing.




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).




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.






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.


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.

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


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.




Alpine Linux is a security-oriented, lightweight Linux distribution based on musl libc and busybox.

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.

