[throwaway342422]

...not to mention all the critical software running on power plants, industry, aircrafts, ships, cars, satellites, core Internet routing...

Did i forget military, e.g. weapons?

[rhodozelia]

I don’t see any open source software in power generation. Vxworks on plcs and then osi pi and some horrible HMI software.

One exception is inductive automation ignition HMI which uses java