Template:Real-time operating systems

v t e Real-time operating systems (RTOS)
Comparison of real-time operating systems
Open-source	BeRTOS ChibiOS/RT Contiki eCos ERIKA Enterprise FreeRTOS Fuchsia FunkOS µC/OS Mynewt Nano-RK NuttX RIOT RTAI RTEMS RTLinux RT-Thread seL4 TI-RTOS TRON Wombat OS Xenomai Zephyr
Proprietary	4690 OS DioneOS embOS Integrity Junos OS LynxOS MQX Nucleus RTOS OpenComRTOS OSE OS-9 OS2000 PikeOS QNX REAL/32 REX OS ScreenOS ThreadX TPF VRTX VxWorks Windows Embedded Compact
Historic	4680 OS ChorusOS Concurrent DOS DNIX DSOS EROS FlexOS Harmony MERT – UNIX-RT Multiuser DOS pSOS RMX RSX-11 RT-11 Sintran III Symbian THEOS Thoth UNOS
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