>True, and NuttX is replacing RTEMS for space exploration as well

Not really....one use-case = replacing? ;(

https://www.rtems.org/node/139

https://rtems-qual.io.esa.int/

All replacement start with the first entity using a new technology. Soon ESA, NASA, ISRO will start using it. China already uses it, the SPARC V8 port was done by them! ;-)

>Soon ESA, NASA, ISRO will start using it.

I really hope your in stock trading, you must be successful like hell with your crystal-ball ;)