Real Time Operating System (RTOS)

Rank	Project
6	Zephyr Real Time Operating System (RTOS) started in 2014 110,768 commits 3,000 contributors
299 44	RT-Thread Embedded Systems Real Time Operating System (RTOS) started in 2009 16,893 commits 903 contributors
1452 259	ChibiOS Real Time Operating System (RTOS) ChibiOS started in 2007 14,719 commits 120 contributors
1749 64	FreeRTOS Real Time Operating System (RTOS) AWS / Amazon started in 2006 3,671 commits 124 contributors
2499 6	Zephyr Real Time Operating System (RTOS) started in 2014 85,650 commits 1,925 contributors