Operating System

DragonFly BSD

Thing

operating system

TrueOS

class

Unix-like, desktop-oriented operating system

KolibriOS

CreativeWork

operating system written completely in assembly

AROS Research Operating System

CreativeWork

operating system

KDE Plasma

Place

graphical environments provided by the KDE community

Gobuntu

Place

Linux distribution

Devuan

class

Linux distribution based on Debian without systemd init system

Replicant

CreativeWork

free software version of Android

Ututo

Place

Linux distribution

Rockbox

CreativeWork

custom firmware for digital media players

FreedomBox

CreativeWork

Linux distribution

eCos

class

operating system

PicoBSD

Thing

operative system

Dragora GNU/Linux-libre

Place

Linux distribution

Hyperbola GNU/Linux-libre

Place

Linux distribution

LibreCMC

Place

Wifi router Linux distribution

GeckoLinux

class

Linux distribution, based on openSUSE

NewOS

CreativeWork

operating system

Thinstation

CreativeWork

Siduction

Place

Linux distribution

Feren OS

Place

Linux distribution

MonaOS

CreativeWork

operating system

Freedows OS

CreativeWork

ravynOS

CreativeWork

operating system based on FreeBSD which aims to provide source and binary compatibility with MacOS

Cdlinux.pl

Place

Linux distribution

Dyson

CreativeWork

free Unix operating system

NanoBSD

Thing

Collapse OS

CreativeWork

free operating system

FreeNOS

CreativeWork

Unix-like microkernel operating system

Alter Linux

Place

Linux distribution

GNOME OS

Place

Linux test distribution for the GNOME Desktop environment

Cinux

Place

Linux distribution

Loongnix

CreativeWork

AOSC OS

class

Linux distribution

AmayaOS

CreativeWork

free Unix-like computer operating system

Condres OS

Place

Linux distribution

Emerge Desktop

CreativeWork

software

Parch Linux

Place

Arch Linux based distribution

LibertyBSD

CreativeWork

free operating system based on OpenBSD

Lilith

CreativeWork

operating system

SambaEdu

Organization

free software for education server

stali

Place

static Linux distribution

AmonEcole

class

Linux distribution

Mezzano

CreativeWork

operating system

Maynard

CreativeWork

graphical shell

Akaros

CreativeWork

operating system

Elvish

Place

programming language and shell

ShredOS

Place

Linux operating system for disk erasure

os.bf

CreativeWork

operating system written in Brainfuck

REMnux

CreativeWork

Linux Toolkit for Malware Analysis

Minoca OS

CreativeWork

operating system

Nut/OS

CreativeWork

modular real-time operating system of the Ethernut project

KnightOS

CreativeWork

open-source Unix-like operating system for calculators

MIDIbox Operating System

CreativeWork

Exodia OS

class

Linux distro based on Arch.

GParted Live

class

small bootable GNU/Linux distribution based on Debian Live, includes GParted, can be installed on CD