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ARM RTOS List
From my research for Selecting an Embedded RTOS, here is a quick list of RTOSes that support the ARM architecture:
- 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.
- µ-velOSity(TM) Real-time Microkernel - µ-velOSity is a small, fast, easy-to-learn operating system for the most resource-constrained and cost-sensitive devices. With a boot time of less than 1500 cycles and a minimum ROM+RAM footprint of 2.6KB, µ-velOSity makes efficient use of constrained resources without sacrificing responsiveness. Its simple design, McCabe complexity metric of less than 8, and integration with the best-in-class MULTI tools make µ-velOSity easy to learn and easy to use.
- 4NetOS® - Due to the HyNetOS platforms success in the market due to its wide range of features, we have decided to build a successor for other processor platforms in addition to the current Hyperstone processors. 4NetOS is the new version Operating System which is based on the HyNetOS, and will support in the first instance ARM&trade processors. Smart Network Devices has decided to go for the ST Microelectronics ARM&trade platform initially, in particular the SPEAr(TM) family.
- 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.
- 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.
- 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.
- CMX-TINY+(tm) - CMX-Tiny+ is a real time kernel specially designed for those processors that have a small amount of RAM embedded on the processor's silicon. This allows the user to develop application code and have it run under an RTOS using only the onboard RAM that the processor provides.
- eCosPro® - Designed from the ground up as a deeply embedded open source RTOS and introduced in 1996, eCos is a mature and reliable system that incorporates a wealth of features. Functionality: Out of the box, eCosPro includes the runtime functionality necessary for the majority of embedded applications: standards based APIs, libraries, filesystems, networking, communications, compatibility layers, graphics, and debugging support. Apart from third party offerings, all of these features are included as standard in our eCosPro releases.
- 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.
- Embedded OS from COSMO, Inc. - Scalable Real-time OS for highly reliable embedded systems. Reliable embedded/real-time Linux. Software-implemented dual redundent architectures for highly reliable systems Embedded graphic libraries, full-featured but small internet browser and multimedia middlewares for internet appliances
- Embest lxRTOS - Embest lxRTOS is a multi-thread, multi-task Real-Time Operating System released by Embest Corporation in July 2006 intended for using in embedded systems that require maximum reliability. This embedded RTOS is focused on ARM7/9 processor families in full source code.
- 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.
- Erika Enterprise - Erika Enterprise RTOS is a minimal OSEK/VDX-like real-time kernel for single and especially for multi-core embedded systems useful for the design and development of real-time and safety-critical applications. Erika Enterprise is the first RTOS with minimal footprint that supports advanced scheduling mechanisms for stack size reduction on multicore-on-a-chip systems.
- 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.
- FreeRTOS(TM) - FreeRTOS.org(TM) is a portable, open source, mini Real Time Kernel - a free to download and royalty free RTOS that can be used in commercial applications (see license text). This site shows how a complete embedded real time system can be created from a Windows host using quality open source development tools (where available).
- Fusion RTOS(TM) - The Fusion RTOS (Real time Operating System ) from Unicoi Systems is a Real Time OS designed and optimized for 16/32-bit networking and media-centric processors. It is priority based, preemptable, deterministic and protects against priority inversion. Fusion RTOS started in 1998 as DSP OS. It targeted media applications for DSPs. Since then it has evolved into a more general RTOS System, yet it has maintained all of the strengths that made it successful for DSP applications. These strengths include small footprint, Objects for streaming data, Very low processor overhead, Stack sharing capabilities and fully integrated interrupt controls.
- 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.
- INTEGRITY® Real-time Operating System - The INTEGRITY RTOS is a secure, memory protected RTOS intended for use in embedded and enterprise systems that require total reliability and absolute security. INTEGRITY is certified conformant to POSIX 1003.1 system interfaces.
- INTEGRITY-178B Real-Time Operating System - ARINC-653-1 compliant, securely partitioned RTOS intended for use in demanding safety-critical applications, such as those with a requirement for the DO-178B safety-critical standard for developing avionics software systems. The DO-178B Level A compliant Software Live-Cycle Data Package for INTEGRITY-178B includes verified artifacts for FO-178B certification activity.
- 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.
- Jaluna OSware(TM) - Jaluna OSware(TM) is Jaluna virtualization product that allows multiple operating systems and their respective application software stacks to co-exist and interoperate on the same hardware. Jaluna OSware is targeted to application domains ranging from telecom/datacom equipment with both control and data planes to next generation of mobile-phones, set-top boxes and other customer premises equipment, where time-constrained critical applications (like telephony) and legacy applications need to run concurrently with general purpose operating system services.
- 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.
- 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.
- 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.
- MQX(TM) Real-Time Operating System - The MQX Real-time Operating System provides proven performance, with blazing real-time speed within a tiny footprint. The MQX RTOS is designed to be easy to configure to balance code size with performance requirements; alternative settings can be selected, benchmarked and iterated to optimize cost and performance.
- Nucleus Plus - Nucleus PLUS provides an extensive set of real-time services including task control, task communication, task synchronization, memory management and programmable timers. Nucleus PLUS is renowned for its broad range of facilities for building efficient embedded systems.
- 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.
- 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.
- OSE Epsilon - OSE Epsilon features a small footprint of approximately 4 KB. The kernel is written completely in assembler, has extremely small interrupt latencies, and is always optimized on the respective processor. OSE Epsilon is a powerful platform for designing real-time embedded systems.
- OSE RTOS - The OSE real-time kernel combines rich functionality with high performance and true deterministic real-time behavior. It is a fully pre-emptive kernel with priority-based scheduling and is optimized to provide high rates of data throughput. OSE was designed for use in complex, distributed and fault tolerant systems. Its tremendously efficient message-passing programming model and clear interfaces bring simplicity to today's complex software design. OSE offers a faster way of developing embedded systems.
- 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.
- PrKERNELv4 - Fully Preemptive Kernel - PrKERNELv4 is a fully "preemptive kernel" which enables true real-time operation. The kernel prevents priority inversion of service calls and has a low latency. Our key features, such as the "system trace" function for debugging, provide key value-added capability to the operating system.
- 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.
- 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.
- RealView® RTL-ARM
Real-Time Library - The RealView Real-Time Library is a flexible, royalty-free Real-Time Operating System for ARM-based microcontrollers. It includes three major libraries: * RTX Real-Time Kernel (with source code) * Flash File System * TCP/IP Protocol Suite
- RTKernelRISC - RTKernel-RISC is a powerful real-time multitasking scheduler for embedded systems designed specifically for RISC platforms. RTKernel RISC is compact (about 16k code, 6k data), fast, and offers excellent real-time response times. All RTKernel-RISC threads run within a single program (single process, multi-threaded).
- RTXC Quadros RTOS - The RTXC Quadros RTOS is a family of four real-time operating systems with a common code base that is designed to provide an optimized environment for any application, whether pure DSP or pure control, or anywhere in between. This innovative RTOS architecture achieves the ultimate in scalability, flexibility and performance. RTXC provides a traditional multi-stack RTOS for control applications; a single stack RTOS for DSP/Data flow applications; a version for multiprocessing systems; and finally a dual mode version addressing the specific requirements of convergent processors (combined DSP and MCU).
- 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.
- Savaje OS - A compelling user experience is the single most important factor in winning customer loyalty and increasing the demand for data services. SavaJe OS, an open standards-based, Java(TM) platform for mobile phones, enables operators and handset manufacturers to rapidly brand and customize mobile handsets, while simultaneously delivering high performance and an advanced feature set.
- 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.
- 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.
- TargetOS(TM) - TargetOS is a full-featured real-time operating system (RTOS) from Blunk Microsystems designed specifically for embedded applications. TargetOS is fast, small, and preemptive. To help reduce your time to market, TargetOS is integrated with development tools and off-the-shelf board support packages. Custom board support packages and drivers are also available.
- 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.
- TRANGO - TRANGO technology enables processor secured virtualization for major 32/64 bit RISC architectures : ARM, MIPS, PowerPC, SH, configurable cores and FPGA soft-cores. It is based on a para-virtualization approach (no instruction emulation): it ensures full predictability and close-to-native performance. TRANGO hypervisors are based on TRANGO technology and specialized for each CPU architecture.
- uLinux - Lineo's Embedded Linux - uLinux has resolved traditional issues of embedded Linux, "footprint" and "Realtime", and is just-fit for digital appliances and SHDs. (Linux kernel 2.4.20 and later.)
- 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.
- Viosoft Arriba(R) - Viosoft's embedded Linux development tools include full, royalty free source code of the embedded Linux kernel, bundled with a state of the art debugger, cross toolchains, and productivity tools, all integrated in a modern easy to use graphical environment. Available on both Windows and Linux hosts, Viosoft's products are positioned to deliver complete debugging coverage of device drivers and applications utilizing threads and shared libraries, from a single debug connection over high speed Ethernet.
- VxWorks - VxWorks is the most established and widely deployed device software operating system. Its performance, scalability, and footprint make more than 300 million devices worldwide run faster and more reliably. The next generation of VxWorks adds powerful new features and a focus on openness, performance, dependability, and interoperability.
- 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.
- 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.
- 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.