ReactOS Alternatives

Kubuntu is a Linux distribution that provides all you need to have fun and be effective your computer. It's a great free and open-source alternative to Windows or macOS. Kubuntu unites Ubuntu with KDE and the Plasma desktop environment, bringing you a full set of applications. The installation includes productivity, office, email, graphics, photography, and music applications ready to use at startup.

A Linux-based distribution suitable for newcomers and experienced computer users alike. With Manjaro Linux the user have full control over your operating system and hardware, without restrictions. Manjaro Linux is developed and distributed free and open-source under a rolling release cycle that allows anyone to take part in the development of the operating system. This makes it ideal for people who want to learn how Linux works and how it is different to other operating systems.

A free community-driven desktop Linux distribution based on Ubuntu and Debian. Linux Mint is widley popular and is used by millions of people across the globe and comes bundled with a variety of free and open-source software to enhance your desktop experience. The project was created by Clément Lefèbvre and is being actively developed by the Linux Mint Team and community since 2006.

The CentOS Linux distribution is a stable, predictable, manageable and reproducible platform derived from the sources of Red Hat Enterprise Linux (RHEL). The operating system is built with community-driven efforts and is released free and open-source under the GPLv2. Since March 2004, CentOS has been used to power servers and desktops across the world, and the project is still going strong to this day.

Bliss OS is a free and open-source operating system based on the mobile operating system, Android. It features  many optimizations and expanded device support and is avalible for Chrombook, Linux and Windows PCs. The project is developed by an 501 (c3) Non-Profit organization who's mission is to provide a variety of resources to the open-source community and others around the world by creating and fostering an all-inclusive learning environment for seasoned developers and newcomers.

TrueOS, previously known as PC-BSD is a BSD-based desktop operating system with Unix-like features.

TrueOS has been discontinued but the source code will remain available on GitHub.

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PrimeOS is an Android-x86 based OS which provides desktop experience on any x86 based device providing user top of the line features like multi-window, taskbar and deca-pro key mapper for gamers. For desktop, PrimeOS features a start menu, taskbar and action center with multitasking support with app maximize, minimize, close windows. PrimeOS share many similarities with Samsung Dex which lets you get a complete Android-Desktop experience just by connecting a monitor to your smartphone.

OxygenOS is a mobile operating sytem for the OnePlus series of Android phone. It provides a refreshingly simple user interface that allow you to navigate more efficiently with intuitive gestures to access what's important, and enjoy a more personalized user experience. OxygenOS is co-developed with the open source community and released as free and open software.

Phoenix OS is an operating system specifcally designed to bring Android gaming to the PC. The OS is based on Android 7.1 and is developed and released free and open-source. With Phoenix OS you can play your Android games on a big screen, with mouse and keyboard support thanks to Octopus keymapping engine and Game Assistant, offering a powerful fundamental keymapping.

NixOS is a unique Linux distribution that takes a unique approach to system configuration and package management. The operating system is built on top of the Nix package manage and uses a declarative configuration and allows reliable system upgrades. The open source project started as a research project and has since then grown into a fully fledged operating system with tools dedicated to DevOps and task automation.

ClearOS is an open source software platform and operating system your computer, tablet, and phone. ClearOS is based on Red Hat Enterprise Linux and leverages the open source model to deliver a simplified, low cost hybrid IT experience for SMBs. The operating system ships with an online store of 100+ applications and services that SMBs can quickly browse and select to install on their server. This collection of free and fee-based applications empower SMBs to download, install, and pay for only those applications and services they need and value.