x86 RTOS - Real-time Operating Systems for 'Intel Architectures'

x86 RTOS List

From my research for Selecting an Embedded RTOS, here is a quick list of RTOSes that support the Intel x86 architecture:

ROM-DOS(TM) - ROM-DOS is the OS for x86 devices. ROM-DOS(TM) was introduced in 1989 as a DOS compatible operating system engineered specifically for embedded developers. Since that time ROM-DOS has grown into the industry leader in DOS technologies by delivering such features as kernel level FAT32 and Long File Name support. ROM-DOS has never lost its focus on embedded developers; Datalight continues to offer source code modules in library and assembly format that allow developers control over their DOS. Requiring as little as 186 CPU and a small amount of disc space, it is an essential DOS environment for OEMs and system developers.
Phar Lap ETS - The Phar Lap ETS real-time operating system provides system designers with the most reliable, highest performing, and easy to deploy hard-real-time development environment. Based on x86 architectures, ETS offers a comprehensive suite of tools that smoothly integrate into the well-known Microsoft Visual Studio IDE - minimizing development and debugging time. With support for all standard BIOS implementations and the industry's smallest operational footprint, the Win32 API compliant Phar Lap ETS RTOS enables developers to install, configure and start developing within 2-4 hours. ETS has proven itself in thousands of demanding environments, such as: multi-media streaming solutions, ocean vessel location systems, sub-micron scanning systems, and RFID products.
CMX-RTX(tm) - CMX-RTX is a truly preemptive, multi-tasking RTOS supporting a wide variety of 8-, 16-, 32- and 64-bit microcomputers, microprocessors, and DSP's. This "lean and mean" RTOS offers the smallest footprint, the fastest context switching times, and the lowest interrupt latency times available on the market today.
SCORE® - SCORE - (Safety Critical, Object-oriented, Real-time Embedded) supports a variety of target processors and languages, individually or integrated. Applications can be developed in any mixture of the languages supported and target one or more of the processors supported.
ESF RTOS(TM) - ESF RTOS is a simple, powerful, and easily customizable, object-oriented interface to kernel services, such as thread creation and synchronization. The interface is implemented as a thread library for POSIX or any of the Microsoft WIN32 operating systems, or as a stand-alone, compact, true object-oriented, preemptive real-time executive.
EYRX - EYRX is a modular, scalable, deterministic, multi-tasking real-time operating system which runs on 32-bit x86 single processor PC compatible hardware platforms. With its simple, light weight, low overhead, design, EYRX is an excellent choice for both low power embedded devices and high speed, hard real-time dedicated applications.
velOSity(TM) Real-Time Operating System - The velOSity(TM) real-time operating system (RTOS) is small, fast and royalty free, making it a perfect fit for cost-sensitive, high-volume and resource-constrained embedded applications. Besides being integrated with the best-of-class embedded software tools, velOSity offers developers a rich set of kernel services, device drivers, BSPs and middleware.
PXROS - The Portable eXtendible real time operating system PXROS is a realtime operating system which was developed by HighTec. It offers hard real time with complete avoidance of disabling interrupts or interrupt latency and is extremely robust with the hightest event rates. Besides PXROS core other components can be added if this is required. PXROS is in use in various applications, among them safety-critical ones, since 1983. Validated versions are available.
BIOS - Insyde Technology's products are designed around a modular core with easily customizable source code and development/debug tools that allow system engineers to implement OEM-specific features and provide sophisticated design flexibility.
C EXECUTIVE® and PSXtm Real-time Kernels (RTOS) - C EXECUTIVE is a real-time, multi-tasking, ROMable kernel for embedded systems, and is available for 8-, 16- and 32-bit CISC processors, a wide variety of RISC processors, and DSP. It provides fast context switching, small kernel size, and support for over 20 processors. Optional DOS-compatible file system , TCP/IP , and SNMP are available. PSX provides an optional subset of POSIX.1 system calls.
AMX Real Time Operating System (RTOS) - AMX meets the stringent requirements of real-time applications. First released in 1980, the AMX family of kernels has been used worldwide at more than 2,600 development sites. AMX Source code is provided. A sample program illustrates the proper use of AMX services. AMX documentation is comprehensive and includes tutorial explanations and examples. The Reference Manual highlights answers to common technical support questions. It is KADAK's policy to provide prompt technical support to AMX users.
BlueCat® embedded Linux® - BlueCat® embedded Linux® from LynuxWorks(TM), based on the 2.6 kernel, is an implementation of the Linux model enhanced for use in embedded systems ranging from small consumer-type devices to large-scale, multi-CPU systems.
LynxOS® - The LynxOS® RTOS is the superior foundation for sophisticated real-time systems: * Linux compatibility and POSIX conformance * Choice of development environments and tools * Real-time network and enhanced TCP/IP stack * High availability and MMU support.
LynxOS®-178 RTOS - LynxOS®-178 RTOS is a safety critical operating system based on the popular Lynx-OS technology, but with key added features such as time and space partitioning for safety critical applications that require brick-wall partitioning.
Nucleus® - Mentor Graphics' Nucleus RTOS portfolio includes kernels, networking, USB, graphics and a file system -- all developed with the embedded software engineer in mind. Efficiency in both code execution and code size has been fully considered to bring the maximum in robustness and feature support. Since Nucleus software products are shipped in source code form, there are no restrictions on development environments. Nucleus products have been compiled, linked and executed using the most commercially available development tools. This means that you can get your software downloaded and running with minimal effort.
µC/OS-II (MicroC/OS-II) - µC/OS-II, The Real-Time Kernel is a highly portable, ROMable, very scalable, preemptive real-time, multitasking kernel (RTOS) for microprocessors and microcontrollers. µC/OS-II runs on a large number of processor architectures. A Validation Suite(tm) developed for µC/OS-II provides all of the documentation necessary to deliver µC/OS-II as a pre-certifiable software component for safety critical systems.
Windows Embedded for Point of Service (POS) - To support retailers and their original equipment manufacturers, Microsoft has developed its first operating system tailored for retail POS systems: Microsoft Windows Embedded for Point of Service (WEPOS). WEPOS is an easier POS platform to set up, use, and manage due to a standard platform, Plug-n-Play support, and familiar management technologies, while its design enables partner companies to cost-effectively build and market their POS systems.
Windows CE - With a choice of componentized and fully-configured platforms and a flexible set of development tools, Windows Embedded puts you in control and helps you more easily build what you want, how you want. Windows CE is designed to be a componentized, small footprint, hard real-time operating system that has been proven to satisfy RTOS requirements by independent industry laboratories.
Windows XP Embedded - Windows XP Embedded is the operating system and development platform delivering the power of the Windows operating system in componentized form to rapidly build reliable and advanced embedded devices.
Windows Automotive - As a leader in information and communications technology, Microsoft is well prepared to offer the automotive industry the software technology and tools it needs to develop a broad range of in-car solutions that address navigation, communication, information, and entertainment needs.
µnOS: µ-kernel on nano-kernel Operating System - Kernel features are: small microkernel of only 28k, microkernel-on-nanokernel-technology, 8k nanokernel, symmetric multithreading, FPU multithreading support, separated address spaces, full memory protection, varios synchronisation objects, powerful messaging mechanism, high performance, IPC, priority based scheduling, shared library support, and shared memory.
MontaVista Linux - MontaVista Linux Professional Edition (Pro) is the ideal platform for developers who need a powerful yet flexible solution that allow projects to be delivered on-time and on-budget. Pro enables the development of state-of-the-art applications across a wide array of embedded markets, including networking and communications, instrumentation and control, aerospace and defense, SOHO devices, and medical electronics.
RTKernel - Real-Time Multitasking Kernel for DOS - RTKernel is a powerful real-time multitasking system. It was designed for software developers who wish to implement professional process control applications on DOS computers or embedded systems. Special care has been taken to ensure easy usage and excellent run-time performance. RTKernel is compact (about 16k code, 6k data) and provides the programmer with the basic tools needed to develop efficient real-time software.
On Time RTOS-32 - Win32 API Compatible Embedded RTOS. On Time's royalty-free embedded operating system for protected mode 32-bit x86 CPUs meets hard real-time requirements and implements a Windows subset kernel in only 16k of memory. It can be fully integrated in Microsoft Visual Studio and supports about 250 Win32 API functions.
Salvo - The RTOS that runs in tiny places(TM). - Salvo's modest ROM and miniscule RAM requirements mean that you can have event-driven, priority-based, multitasking applications in nearly any single-chip microcontroller, with plenty of room left for your application. With Salvo, you can: Implement new designs quickly * Enhance functionality using existing resources * Improve real-time performance * Multitask.
QNX Neutrino Realtime Operating System - QNX Neutrino is a true microkernel operating system. Under QNX Neutrino, every driver, application, protocol stack, and file system runs outside the kernel, in the safety of memory-protected user space. As a result, virtually any component can fail - and be automatically restarted - without affecting other components or the kernel.
OS-9 - Microware OS-9 is more than just an operating system, it includes development tools, software components, the OS kernel, networking, graphics, power management and more. OS-9 Add-ons are also available for additional networking and functionality. Microware OS-9 is provided for a variety of processors, please select a specific product in the table below for more information.
ThreadX - ThreadX is Express Logic's advanced Real-Time Operating System (RTOS) designed specifically for deeply embedded applications. ThreadX has many advanced features, including its picokernel architecture, preemption-threshold, and a rich set of system services. Combined with its superior ease-of-use, ThreadX is the ideal choice for the most demanding of embedded applications.
TSX-32 - TSX-32 is a general purpose multi-user multi-tasking OS with real-time facilities for the X86 platform. Use it as an Internet server or as a development platform for your own custom applications. Because TSX is not based on a graphical user interface, our strengths lie primarily in two areas: running traditional character based applications in a flexible multi-user environment, and embedded requirements such as instrumentation and factory automation.
SCIOPTA - The SCIOPTA architecture is specifically designed to provide excellent real-time performance and small size. Internal data structures, memory management, interprocess communication and time management are highly optimized. SCIOPTA is designed on a message based architecture allowing direct message passing between processes. Messages are mainly used for interprocess communication and synchronization. SCIOPTA messages are stored and maintained in memory pools. The kernel memory pool manager is designed for high performance and memory fragmentation is avoided.
embOS - embOS, a small and efficient real-time kernel, supports all common 8/16/32-bit CPUs and has become one of the most popular kernel, providing on all CPUs the benefits of a fully featured multitasking system by 100% identical APIs. embOS comes with libraries for different memory models, initialization of the controller in "C"-source, usable sample modules and a frame application in source code form. This frame program creates 2 tasks with little functionality. By modifying this frame application, the first steps are very easy (Experienced programmers have the first multitask-program running in typically less than 1 hour). All parts that might have to be adopted to the application are provided in source code form.
smx® - smx® is a real-time multitasking kernel for use in embedded systems. It is specifically designed for demanding real-time applications. smx offers a full suite of kernel services, yet emphasizes simplicity and ease of use.
ELinOS - ELinOS is an integrated development environment for embedded systems with Linux. Working seamless from driver development up to applications - ELinOS offers various tools, supports adequate boot strategies, can be easily handled due to graphical tools, is available for the established embedded hardware.
PikeOS - The foundation of PikeOS is a powerful real-time operating system, based on the latest microkernel technology. The microkernel controls access to the hardware, thereby guaranteeing safety. Above the microkernel, the system software implements multiple software partitions on a signle CPU, with strict separation between them. Each partition can run an entire operating system such as Linux, POSIX, or OSEK or application programs.
INtime Real-time Operating System for Windows - The INtime® RTOS for Microsoft® Windows® is the only fully-protected solution available for building hard real-time applications that run concurrently with the Windows operating system on a single hardware platform. Combining robust industrial-grade control with enterprise-rich Windows functionality allows applications to take full advantage of every Windows feature and thousands of off-the-shelf applications, without having to sacrifice real-time responsiveness.
LinuxLink by TimeSys(TM) - LinuxLink by TimeSys(TM) is a continuously updated, Web-based resource for embedded Linux development, delivering subscription-based access to hundreds of cross-compiled packages optimized and tested on reference boards from leading semiconductor manufacturers, a processor-optimized cross-development environment, and participation in the Developer Exchange, which provides interactive support from TimeSys, semiconductor companies, and industry experts in the Open Source community.
TASTE Embedded Linux - TASTE Embedded Linux is a robust, secure, and highly componentized Operating System for a variety of applications based on x86 compatible hardware architectures. Discover our Media-Rich software solutions for appliances powering tomorrow's advanced digital content play-out products today.
EFOS - EFOS is the next generation Real Time Operating System from VINJEY that is designed with performance, flexibility and ease of use in mind. Complex Real-time applications demands stringent memory requirements and very high demand for efficiency. EFOS being app-morphic can be configured depending upon the needs of the application.
Inferno - Inferno is a compact operating system designed for building distributed and networked systems on a wide variety of devices and platforms. With many advanced and unique features, Inferno puts an unrivalled set of tools into your hands. You can fetch it now as Free Software, on similar terms to Linux or xBSD.
Wasabi Certified® BSD - OEMs today need robust networking functionality, wide platform support, and guaranteed, tested performance from their embedded operating systems.Wasabi Certified BSD, a certified, tested, and optimized version of the BSD operating system, offers the rich functionality of BSD Unix without Linux's troublesome GPL License and with the security of professional certification, testing and support. It is the premier OS for embedded, server, storage, and other networking-intensive applications.