For a similar embedded RTOS there is RTEMS https://www.rtems.org/ https://www.rtems.org/ https://en.wikipedia.org/wiki/RTEMS https://en.wikipedia.org/wiki/RTEMS

For a similar embedded RTOS there is RTEMS https://www.rtems.org/ https://www.rtems.org/ https://en.wikipedia.org/wiki/RTEMS https://en.wikipedia.org/wiki/RTEMS An interesting example would be GRiSP where Erlang's BEAM was ported to an Arm Cortex M7 microcontroller with 64 MB of external RAM. https://www.grisp.org/ https://www.grisp.org/