The operating system (OS) enables users to perform the basic functions of a computer. The OS manages all software and peripheral hardware, as well as the central processing unit (CPU) for memory or storage purposes. To learn more about operating systems, read the reviews in this category.
Gentoo is an operating system based on either Linux or FreeBSD and can be customized for just about any application or need.
SparkyLinux is a GNU/Linux distribution created on the testing branch of Debian. It features customized lightweight desktops (like E19, LXDE and Openbox), multimedia plugins, selected sets of apps and own custom tools to ease different tasks.
Solus is a modern operating system for consumer-grade systems.
GhostBSD is an operating system based on FreeBSD for home and office users.
BackBox is more than an operating system, it is a Free Open Source Community Project with the aim of promoting the culture of security in IT environment and give its contribution to make it better and safer. All this using exclusively Free Open Source Software, demonstrating the potential and power of the Community.
OpenMandriva Association manages OpenMandriva Lxa GNU/Linux operating system. OpenMandriva is a worldwide community of passionate people about free software.
UnixWare 7 Definitive is a software that provides advanced security features to help secure your information and protect your internal network from outside intrusion.
Tails is a live operating system that you can start on almost any computer from a USB stick or a DVD.It aims at preserving your privacy and anonymity.
Remix OS gives you access to over 2+ million Android apps and games. Most are free and can be installed with a single click from any Android app store of your choice.
GemOS is a blockchain operating system.
ReactOS is a free and open source operating system able to run application and drivers compatible with Windows.
Slax is a modern, portable, small and fast Linux operating system with modular approach and outstanding design. It runs directly from your USB flash drive without installing, so you can carry it everywhere you go in your pocket.
Xubuntu is a community developed operating system that combines elegance and ease of use.
Netvisor is a virtualized Network Operating System (NOS) that provides a best-in-class layer 2 and layer 3 networking foundation, distributed fabric intelligence and virtualizes the switch hardware, similar to how VMware virtualizes a bare metal server.
CopperheadOS is a secure and privacy-minded Android for use in everyday communications
An independent, partner friendly operating system that fosters innovation. It's unlike what you're used to. But once you get the hang of the gesture based Sailfish OS, you'll never want to go back. The highly adaptive Sailfish OS contains Open Source Software building blocks, welcoming collaboration or simply, free-time hacking.
Neptune is a GNU/Linux Distribution for desktops based fully upon Debian 7.0 ('Wheezy'), except for a newer kernel and some drivers. It ships with a modern KDE Plasma Desktop with its main view on a good looking multimedia system which allows for getting work done.
Mageia community project develops and maintains a Free Software, GNU/Linux-based operating system for PCs and servers, for developers, businesses and individuals.
CentOS is an Enterprise-class Linux Distribution derived from sources freely provided to the public by a prominent North American Enterprise Linux vendor.
Slackware Linux is an advanced Linux operating system, designed with the twin goals of ease of use and stability as top priorities,including the latest popular software while retaining a sense of tradition, providing simplicity and ease of use alongside flexibility and power,