New FreeRTOS Long Term Support version now available.
Receive security patches and critical bug fixes on FreeRTOS libraries for two years.
Real-time operating system for microcontrollers
Developed in partnership with the world’s leading chip companies over an 18-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
- New FreeRTOS Long Term Support version released
It has already been 18 months since we introduced FreeRTOS Long Term Support (LTS). With FreeRTOS LTS, developers can rely on a FreeRTOS version that provides feature stability, and security patches and critical bug fixes for two years from the release date. We released the first LTS version (FreeRTOS 202012 LTS) with all libraries needed […]Read more…
- FreeRTOS Extended Maintenance Plan registration now open
We are excited to announce that registration for the FreeRTOS Extended Maintenance Plan (EMP) is now open. FreeRTOS EMP subscriptions allow embedded developers to receive critical bug fixes and security patches on their chosen FreeRTOS Long Term Support (LTS) version for up to 10 years beyond the end of its initial support period. During the […]Read more…
- The FreeRTOS-Plus-TCP library is now more robust and secure
While we work on the FreeRTOS Labs IPv6 project, we are continuing to improve the robustness, security, and modularity of the FreeRTOS-Plus-TCP library. To that end, today, we are excited to release the FreeRTOS-Plus-TCP V3.0.0 library. FreeRTOS-Plus-TCP V3.0.0 adds comprehensive unit test coverage for all lines and branches of code, and has undergone penetration testing […]Read more…
- Announcing the official release of FreeRTOS CMSIS Packs
In keeping with our philosophy of enabling users to consume our software in the environment of their choice, we are excited to announce the official release of FreeRTOS Long Term Support (LTS) libraries in the Common Microcontroller Software Interface Standard (CMSIS) Pack format. Based on the Arm Cortex processors, CMSIS-Pack defines a standardized way to […]Read more…
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