Arm works closely with Operating System (OS) providers to enable solutions across several IoT applications and hardware.

The resources on this page help you choose your OS, and efficiently build your application on an Arm-based device. This page includes some of the operating systems that are most utilized in this area. Learn more about operating system providers that will help you efficiently build an IoT application on Arm.

Rich operating systems

Here are some vendors that provide open source operating systems for higher-performing IoT applications that are typically based on Cortex-A processors.

Linux Kernel

The Linux Kernel is an open source system kernel most notably used in the GNU OS. It manages hardware, runs programs and maintains security in a system. Arm together with Linaro actively maintains and contributes to the Linux Kernel project.

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Ubuntu

A popular and secure Linux operating system for modern applications, from the cloud to endpoint devices.

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Debian

Free operating system for testing and validating running Linux on Arm based platforms.

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Real-time operating systems

Here are some vendors that provide Real-Time Operating Systems (RTOS) for small, low-power IoT applications that are typically based on Cortex-M processors.

FreeRTOS

Open source real-time OS that makes small, low-power devices easier to program, deploy, secure, connect, and manage.

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Mbed OS

OS featuring security, connectivity, an RTOS, and drivers to develop connected products based on Cortex-M microcontrollers.

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Zephyr

Based on the Linux Foundation project, Zephyr is an RTOS for constrained IoT devices and includes security and safety features.

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Keil RTX5

Available with Keil MDK, Keil RTX5 features a periodical activation of timer functions, memory management, and message exchange between threads for Cortex-M based devices.

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More RTOS partners

Find out about more RTOS partners

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Suggested answer Debug from reset vector 0 votes 262 views 4 replies Latest 6 hours ago by Ranjith Answer this
Not answered In APB, Why do we use enable signal? (Don't care about PREADY) 0 votes 25 views 0 replies Started 13 hours ago by INNS Answer this
Not answered DesignStart Eval : The number of INTISR in Cortex-M3 0 votes 20 views 0 replies Started 13 hours ago by tomaru Answer this
Answered cortex m7 STR fail 0 votes 120 views 4 replies Latest 14 hours ago by OldFoggy Answer this
Suggested answer Debug from reset vector Latest 6 hours ago by Ranjith 4 replies 262 views
Not answered In APB, Why do we use enable signal? (Don't care about PREADY) Started 13 hours ago by INNS 0 replies 25 views
Not answered DesignStart Eval : The number of INTISR in Cortex-M3 Started 13 hours ago by tomaru 0 replies 20 views
Answered cortex m7 STR fail Latest 14 hours ago by OldFoggy 4 replies 120 views