Real-time operating system for microcontrollers
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) for microcontrollers and small microprocessors. Distributed freely under the MIT open source license, FreeRTOS includes a kernel and a growing set of IoT libraries suitable for use across all industry sectors. FreeRTOS is built with an emphasis on reliability and ease of use.
With proven robustness, tiny footprint, and wide device support, the FreeRTOS kernel is trusted by world-leading companies as the de facto standard for microcontrollers and small microprocessors.
Accelerate time to market
With detailed pre-configured demos and Internet of Things (IoT) reference integrations, there is no need to determine how to setup a project. Quickly download, compile, and get to market faster.
Broad ecosystem support
Our partner ecosystem provides a breadth of options including community contributions, professional support, as well as integrated IDE and productivity tools.
Predictability of long term support
FreeRTOS offers feature stability with long term support (LTS) releases. FreeRTOS LTS libraries come with security updates and critical bug fixes for two years. Maintained by AWS for the benefit of the FreeRTOS community.
Tiny, power-saving kernel
Scalable size, with usable program memory footprint as low as 9KB. Some architectures include a tick-less power saving mode
Support for 40+ architectures
One code base for 40+ MCU architectures and 15+ toolchains, including the latest RISC-V and ARMv8-M (Arm Cortex-M33) microcontrollers
A growing number of add-on libraries used across all industry sectors, including secure local or cloud connectivity
AWS Reference Integrations
Take advantage of tested examples that include all the libraries essential to securely connect to the cloud
- Using Visual Studio Code for FreeRTOS development
Visual Studio Code has become a very popular code editor. You may be using it for development tasks already, but perhaps not yet for embedded development work. Or perhaps you are using it for embedded development work as you prefer the editing environment over your existing embedded development tools, but you haven’t been able to […]Read more…
- Introducing FreeRTOS Long Term Support
Over the last few years, we have been working with our embedded developer partners and customers on increasing the pace at which we deliver feature updates for FreeRTOS kernel and libraries. Even as we do this, we recognize that there is tension between iterating quickly to add new capabilities, and embedded developers’ needs for feature […]Read more…
- Developing LoRaWAN Applications with FreeRTOS
We are excited to introduce the LoRaWAN – FreeRTOS Labs Project, a reference implementation of LoRaWAN connectivity with FreeRTOS. This project is meant to demonstrate how FreeRTOS can simplify the development of IoT applications using LoRa technology. LoRa is a long range and low-power wireless technology operating in the unlicensed spectrum. It is designed for […]Read more…
- Introducing the FreeRTOS Cellular Library
We are happy to introduce a preview of a new FreeRTOS library designed to simplify the development of IoT applications that connect to the cloud using cellular LTE-M technology. LTE-M, also known as Cat-M1, is a low-cost LPWAN technology developed by 3GPP as part of Release 13 of the LTE standard, a component of the […]Read more…
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