RT-Thread
RT-Thread is a technology platform that integrates a real-time operating system (RTOS) kernel, middleware components, and a developer community. It was developed by Mr. Xiong Puxiang and the open source community. It has all the key components required for an IoT OS platform and has the largest domestic embedded open source community. It is also widely used in energy, automotive, medical, consumer electronics and other industries, with a cumulative installed base of more than 2 billion units, making it the most mature, stable and largest installed open source RTOS independently developed by Chinese people.