RT-Thread/rt-thread
RT-Thread is an open source IoT Real-Time Operating System (RTOS). https://rt-thread.github.io/rt-thread/
GitHub repository with 12,041 stars and 5,417 forks.
Language: C
Topics: aiot, arm, cortex-a, cortex-m, embedded-systems, iot, kernel, microcontroller, microkernel, mips