NeXTSTEP

Object-oriented, multitasking operating system based on UNIX.

16 Alternatives To NeXTSTEP

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BITS-PyOS

BIOS-Implementation-Test-Suite-Based Python Operating System

CentOS

CentOS is a community-supported, free and open source operating system based on Red Hat Enterprise…
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Debian

Debian is a free distribution of the GNU/Linux operating system.

FreeBSD

FreeBSD is an advanced operating system for x86 compatible (including Pentium® and Athlon™)…
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Kubuntu

Linux operating system distribution derived from Ubuntu but with KDE environment.
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Linux Mint

Linux Mint is one of the most popular desktop Linux distributions and used by millions of people.

Linux-libre

Linux-libre is a GNU package that is maintained from modified versions of the Linux kernel.
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MINIX 3

MINIX 3 is a free, open-source, operating system designed to be highly reliable, flexible, and…

Manjaro Linux

Manjaro Linux is a new linux distribution which is based on arch linux. Get ManjaroWelcome to the official Manjaro Linux Installation Media page . Read more about Manjaro Linux.

ReactOS

ReactOS is a free, modern operating system in alpha stage, based on the design of Windows XP/2003.

Spez Linux

A better experience, on the computer you already own.
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Ubuntu

Ubuntu is a Debian Linux-based open source operating system for desktop computers.

Ubuntu MATE

Ubuntu MATE is a stable, easy-to-use operating system with a configurable desktop environment. It is ideal for those who want the most out of their computers and prefer a traditional desktop metaphor.

elementary OS

A fast and open replacement for Windows and macOS. Pay what you want or download for free.
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macOS

macOS High Sierra brings new forward-looking technologies and enhanced features to your Mac.
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openSUSE

openSUSE is a free and Linux-based operating system for your PC, Laptop or Server. The openSUSE project has three main goals: make openSUSE the easiest Linux for anyone to obtain and the most widely used Linux distribution; leverage open source collaboration to make openSUSE the world’s most usable Linux distribution and desktop environment for new and experienced Linux users; dramatically simplify and open the development and packaging processes to make openSUSE the platform of choice for Linux developers and software vendors.