Windows 10 has been discontinued. The top-rated alternative is Linux Mint, which is free and open source. People also recommend Ubuntu, Debian, Fedora and ReactOS. You're spoiled for choice with Operating Systems like Windows 10: we list more than 100 alternatives for Linux, self-hosting, Windows, Mac and Chrome OS.
GNU-Darwin aims to be the most free software distribution. Our mission is two-fold: Focus on projects that leverage our unique combination of Darwin and GNU, and help users to enjoy the benefits of software freedom.
miniBSD is a project to develop a set of scripts that shrinks a running FreeBSD system to a small sized miniBSD distribution suited for small media like USB pens and CF cards.
BeeFree OS is inspired from Ubuntu, Windows 7 and Linux Mint. The name is acronym for Beautiful, Effective, Efficient and Freedom.
Elive is a non-commercial, cost-free operating system designed for everyday use, it offers a much faster, friendlier and feature-rich alternative to your expensive and ineffective default OS.
Mabox Linux is based on Manjaro, featuring a customized Openbox window manager preconfigured to be ready to use.
Poland
EU
GuestSneezeOS is a robust, free-to-use, lightweight, immutable, operating system designed to bring the functionality of Valve's SteamOS to a wide range of devices, including desktops, laptops, and more.
A new OS/2-based operating system from Arca Noae, codenamed Blue Lion, arrived today, May 15, 2017, after nearly two years in development.
United States
ToaruOS is a completely-from-scratch hobby operating system: bootloader, kernel, drivers, C library, and user space including a composited graphical UI, dynamic linker, syntax-highlighting text editor, network stack, etc.
United States
Peropesis is a small-scale, minimalist, command-line-based Linux operating system. It's an incomplete system, but it's constantly being improved. Also, it is a free operating system created from a free software.
Lunar Linux is a source based Linux distribution. It is built entirely by compiling source code, using custom optimizations.
Superb Mini Server (SMS) is a Slackware-based server distribution with web, DNS, DHCP, file, print and fax servers, iptables firewall, mail server with spam filter and anti-virus scanner, and BitTorrent station.
