Embedded operating systems

FlexOS was a modular real-time multi-user multi-tasking operating system (RTOS) designed for computer-integrated manufacturing, laboratory, retail and financial markets.

The Nokia Asha platform is a mobile operating system (OS) and computing platform designed for low-end borderline smartphones, based on software from Smarterphone which was acquired by Nokia.

BlackBerry Tablet OS is an operating system from BlackBerry Ltd based on the QNX Neutrino real-time operating system designed to run Adobe AIR and BlackBerry WebWorks applications, currently available for the BlackBerry PlayBook tablet computer.

ChibiOS/RT is a compact and fast real-time operating system supporting multiple architectures and released under the GPL3 license.

Matchbox is a free and open source window manager for the X Window System.

Integrity and Integrity-178B are real-time operating systems (RTOSes) produced and marketed by Green Hills Software.

FreeDOS (formerly Free-DOS and PD-DOS) is a free operating system for IBM PC compatible computers.

Symbian is a discontinued mobile operating system (OS) and computing platform designed for smartphones.

Cisco IOS (originally Internetwork Operating System) is a family of software used on most Cisco Systems routers and current Cisco network switches.

DR-DOS (DR DOS, without hyphen up to and including v6.0) is an operating system of the DOS family, written for IBM PC-compatible personal computers.

Windows IoT, formerly Windows Embedded, is a family of operating systems from Microsoft designed for use in embedded systems.

C# Open Source Managed Operating System (Cosmos) is a toolkit for building operating systems, written mostly in the programming language C# and small amounts of a high level assembly language named X#.

Windows Embedded Automotive, formerly Microsoft Auto, Windows CE for Automotive, Windows Automotive, and Windows Mobile for Automotive, is an operating system subfamily of Windows Embedded based on Windows CE for use on computer systems in automobiles.

JavaOS is an operating system with a Java virtual machine as a fundamental component, originally developed by Sun Microsystems.

Mobilinux is a Linux kernel operating system targeted to smartphones.

TinyOS is an embedded, component-based operating system and platform for low-power wireless devices, such as those used in wireless sensor networks (WSNs), smartdust, ubiquitous computing, personal area networks, building automation, and smart meters.

Baget RTOS (rus. ОСРВ Багет) is a real-time operating system developed by the Scientific Research Institute of System Development of the Russian Academy of Sciences for a MIPS (Baget-MIPS variant) and Intel BSPs (x86 architecture).

Rockbox is a free and open-source software replacement for the OEM firmware in various forms of digital audio players (DAPs) with an original kernel.

Nucleus RTOS is a real-time operating system (RTOS) offered by the Embedded Software Division of Mentor Graphics for various central processing unit (CPU) platforms.

Windows Embedded CE 6.

FreeRTOS is a popular real-time operating system kernel for embedded devices, that has been ported to 35 microcontrollers.

Contiki is an operating system for networked, memory-constrained systems with a focus on low-power wireless Internet of Things devices.

Real-Time Executive for Multiprocessor Systems (RTEMS), formerly Real-Time Executive for Missile Systems, and then Real-Time Executive for Military Systems, is a real-time operating system (RTOS) designed for embedded systems.

OS-9 is a family of real-time, process-based, multitasking, multi-user operating systems, developed in the 1980s, originally by Microware Systems Corporation for the Motorola 6809 microprocessor.

μClinux is a fork of (that later remerged with) the Linux kernel for microcontrollers (in embedded systems) without a memory management unit (MMU).

The Embedded Configurable Operating System (eCos) is a free and open source real-time operating system intended for embedded systems and applications which need only one process with multiple threads.

Ford Sync (stylized Ford SYNC) is a factory-installed, integrated in-vehicle communications and entertainment system that allows users to make hands-free telephone calls, control music and perform other functions with the use of voice commands.

Junos OS (more formally Juniper Network Operating System) is the FreeBSD-based operating system used in Juniper Networks hardware routers.

Windows Embedded Compact, formerly Windows Embedded CE and Windows CE, is an operating system subfamily developed by Microsoft as part of its Windows Embedded family of products.

BlackBerry 10 is a proprietary mobile operating system for the BlackBerry line of smartphones, both developed by BlackBerry Limited (formerly Research In Motion).

BlackBerry OS is a discontinued proprietary mobile operating system developed by BlackBerry Limited for its BlackBerry line of smartphone handheld devices.

The LynxOS RTOS is a Unix-like real-time operating system from Lynx Software Technologies (formerly "LynuxWorks").

Windows Embedded Industry, formerly Windows Embedded POSReady and Windows Embedded for Point of Service, is an operating system subfamily developed by Microsoft as part of its Windows Embedded family of products.

ChorusOS is a microkernel real-time operating system designed as a message-based computational model.

QNX (/ˌkjuː ˌɛn ˈɛks/ or /ˈkjuːnᵻks/) is a commercial Unix-like real-time operating system, aimed primarily at the embedded systems market.

The REX Operating System (Real-Time Executive Operating System) is an RTOS developed by Qualcomm for the ARM-based mobile phone Dual-Mode Subscriber Station (DMSS) or Advanced Mode Subscriber Software (AMSS) development.

RT-Thread is an open source real-time operating system for embedded devices.

LINX is a new generation of the OSE Link Handler for Inter-process communications (IPC) that provides high performance and robust functionality developed by ENEA AB in Sweden.

LiteOS is a real-time operating system (RTOS) from University of Illinois for use in sensor networks.

Micro-Controller Operating Systems (MicroC/OS, stylized as µC/OS) is a real-time operating system (RTOS) designed by embedded software developer, Jean J.

brickOS (previously legOS, developed by Markus Noga) is an alternative operating system for the Lego Mindstorms RCX Controller.

The Symbian Foundation was a non-profit organisation that stewarded the Symbian platform; an operating system for mobile phones, based on Symbian OS, which previously had been owned and licensed by Symbian Ltd.

FunkOS is a real-time operating system (RTOS) developed by Funkenstein Software Consulting, targeting a variety of microcontroller architectures.

GlobalPlatform is a non-profit association creates and publishes specifications for secure chip technology.

NuttX is a real-time operating system (RTOS) with an emphasis on standards compliance and small footprint.

The Wombat Operating System is a high-performance virtualized Linux marketed by Open Kernel Labs, a spin-off of National ICT Australia (NICTA) - Australia’s prestigious Center of Excellence for Information and Communications Technology's Embedded, Real Time, Operating System Program.

The eXtreme Minimal Kernel (XMK) is a real-time operating system (RTOS) that is designed for minimal RAM/ROM use.

RIOT is a small operating system for networked, memory-constrained systems with a focus on low-power wireless Internet of Things (IoT) devices.

ScreenOS is a real-time embedded operating system for the NetScreen range of hardware firewall devices from Juniper Networks.

Nokia Series 30+ (abbreviated as either Series 30+ or S30+) is a software platform and application user interface from MediaTek, used for Nokia-branded mobile devices.

Zephyr is a small real-time operating system for connected, resource-constrained devices supporting multiple architectures and released under the Apache License 2.

Fuchsia is an operating system currently being developed by Google.

DSPnano is an embedded real-time operating system (RTOS) which is compatible with POSIX and embedded Linux.

OpenComRTOS is a commercial network-centric, formally developed real-time operating system, aimed primarily at the embedded systems market.

QP (Quantum Platform) is a family of lightweight, open source software frameworks for building responsive and modular real-time embedded applications as systems of cooperating, event-driven active objects (actors).

Java Card OpenPlatform (JCOP) is a smart card operating system for the Java Card platform developed by IBM Zürich Research Laboratory.

PikeOS is a microkernel-based real-time operating system made by SYSGO AG.

AlliedWare Plus is a fully featured Layer 3 operating system developed by Allied Telesis, used on its high-end enterprise network switches, and is the successor to AlliedWare.

Apache Mynewt OS is a real-time, modular operating system for connected IoT devices that need to operate for long periods of time under power, memory, and storage constraints.

BeRTOS is a real-time operating system designed for embedded systems.

Versatile Real-Time Executive (VRTX) is a real-time operating system developed and marketed by the company Mentor Graphics.

The Phoenix-RTOS is a state-of-the-art, fully proprietary, real-time operating system designed specifically to improve the way of designing Internet of Things devices.

pilot-link is a library of utilities for connecting to and synchronising with Palm OS-based PDAs on Unix and Unix-based operating systems.

UNOS is the first, now discontinued, 32-bit Unix-like real-time operating system (RTOS) with real-time extensions.

leJOS is a firmware replacement for Lego Mindstorms programmable bricks.

MQX RTOS is a real-time operating system developed by Precise Software Technologies Inc.

The Series 30, often shortened as S30, software platform is an application user interface created by Nokia for its entry level mobile phones.

Rodos (Realtime Onboard Dependable Operating System) is a real-time operating system for embedded systems and was designed for application domains demanding high dependability.

The INtime /ˈɪntim/ IN-time Real Time Operation System (RTOS) family is based on a 32 bit RTOS conceived to run time-critical operations cycle-times as low as 50μs.

Lynx Software Technologies, Inc.

RTX is a line of real-time operating system (RTOS) extensions by the firm IntervalZero.

ERIKA Enterprise is an open-source and royalty-free OSEK/VDX Kernel.

A/ROSE (the Apple Real-time Operating System Environment) was a small embedded operating system that ran on Apple Computer's "Macintosh Coprocessor Platform", an expansion card for the Apple Macintosh.

The Operating System Embedded (known by the acronym Enea OSE) is a real-time embedded operating system created by the Swedish information technology company ENEA AB.

Xinu Is Not Unix (Xinu, a recursive acronym), is an operating system for embedded systems, originally developed by Douglas Comer for educational use at Purdue University in the 1980s.