Distributed freely under the MIT open source license, FreeRTOS includes a kernel and a growing set of libraries suitable for use across all industry sectors. FreeRTOS is built with an emphasis on reliability …

FreeRTOS is designed to be small and simple. It is mostly written in the C programming language to make it easy to port and maintain. It also comprises a few assembly language functions where …

Developed in partnership with the world's leading chip companies over a 15 year period, the FreeRTOS kernel is a market leading real time operating system (or RTOS), and the de-facto standard solution …

FreeRTOS is a market-leading real-time operating system kernel designed for microcontrollers and small microprocessors, featuring a small memory footprint and fast execution times.

FreeRTOS Cellular Interface implementation of the 3GPP TS v27.007 standard.

Developed in partnership with the world's leading chip companies over a 15-year period, and now downloaded every 170 seconds, FreeRTOS is a market-leading real-time operating system (RTOS) …

A detailed 2026 comparison of Zephyr and FreeRTOS across memory footprint, ecosystem, and developer experience for MCU-class IoT devices on Cortex-M and RISC-V.

Our beginner's guides are here to help you get up to speed quickly and easily with FreeRTOS. With step-by-step instructions, expert tips, and helpful examples, you'll be able to quickly learn the skills …

FreeRTOS is an open source, real-time operating system for microcontrollers and microprocessors that makes small, low-power devices easier to program, deploy, and secure.

Covers real-time operating systems: hard vs. soft real-time, FreeRTOS and Zephyr RTOS, preemption latency measurement, priority inversion and the priority ceiling protocol, Rate Monotonic Scheduling, …