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X86 operating systems
Android x86 Android x86 is an Android port to the Intel x86 microprocessor family.
Android-x86 Android-x86 is an unofficial initiative to port Google's Android mobile operating system to run on devices powered by AMD and Intel x86 processors, rather than RISC-based ARM chips.
AROS Research Operating System AROS Research Operating System (AROS - pronounced "AR-OS") is a free and open source multi media centric implementation of the AmigaOS 3.1 APIs. Designed to be portable and flexible, ports...
AtheOS AtheOS was a free and open source operating system for x86-based computers.
BeOS BeOS is an operating system for personal computers first developed by Be Inc. in 1991.
Blue Jay Project Blue Jay is an operating system with a monolithic kernel, all written in NASM assembly language, for 16-bit x86 architecture computers, by Robert Looney.
Chrome OS Google Chrome OS is a Linux-based operating system designed by Google to work exclusively with web applications.
Cosmos (operating system) Cosmos (C# Open Source Managed Operating System) is an open-source operating system toolkit written primarily in C# as well as small amounts of a high level assembly language called X#.
eComStation eComStation or eCS is a PC operating system based on OS/2, published by Serenity Systems and Mensys BV. It includes several additions and accompanying software not present in the IBM versi...
Firefox OS Firefox OS (project name: Boot to Gecko, also known as B2G) is a Linux-based open-source operating system for smartphones and tablet computers and is set to be used on smart TVs. It is ...
Google Chrome OS Google Chrome OS is a Linux-based operating system designed by Google to work exclusively with web applications.
Haiku (operating system) Haiku is a free and open-source operating system compatible with the now discontinued BeOS. Its development began in 2001, and the operating system became self-hosting in 2008.
HelenOS HelenOS is an operating system based on a multiserver microkernel design.
Inferno (operating system) Inferno is a distributed operating system started at Bell Labs, but is now developed and maintained by Vita Nuova Holdings as free software.
KolibriOS Kolibri or KolibriOS is a small open source x86 operating system written completely in assembly.
Mac OS X Leopard Mac OS X Leopard (version 10.5) is the sixth major release of Mac OS X, Apple's desktop and server operating system for Macintosh computers.
Mac OS X Tiger Mac OS X v10.4 Tiger is the fifth major release of Mac OS X, Apple's desktop and server operating system for Mac computers.
MonaOS MonaOS (Microkernel Operating System with Network Suite Architecture) is an operating system written in C++.
NetWare NetWare is a computer network operating system developed by Novell, Inc. It initially used cooperative multitasking to run various services on a personal computer, with network protocols based o...
OS/2 OS/2 is a series of computer operating systems, initially created by Microsoft and IBM, then later developed by IBM exclusively.
Pintos Pintos is a simple instructional operating system framework for the 80x86 architecture.
ReactOS ReactOS is an open-source computer operating system intended to be binary compatible with application software and device drivers made for Microsoft Windows NT versions 5.x and up (Windows 2000 ...
SkyOS SkyOS ("sky o-ess") was a prototype commercial, proprietary, graphical desktop operating system written for the x86 computer architecture.