FreeRTOS is a real-time operating system that is open-source and designed for microcontrollers, simplifying the programming, deployment, security, connectivity, and management of small, power-efficient edge devices. Distributed under the MIT open-source license, it features a kernel along with a variety of software libraries that are applicable across different industries and use cases. These capabilities allow for the secure integration of low-power devices with AWS Cloud services such as AWS IoT Core, as well as with more robust edge devices utilizing AWS IoT Greengrass. Focused on reliability and user-friendliness, FreeRTOS provides the assurance of long-term support releases, catering to the needs of developers. Microcontrollers are fundamental components that consist of simple, resource-limited processors and are utilized in a wide array of devices, including household appliances, environmental sensors, fitness monitors, industrial control systems, and vehicles. The versatility of FreeRTOS makes it an ideal choice for developers looking to implement efficient solutions in the rapidly evolving Internet of Things landscape.