In the unix-compatible world, you could take a look at openbsd as an example of OS that is not growing exponentially. Yet, the web browsers are the same two bea

In the unix-compatible world, you could take a look at openbsd as an example of OS that is not growing exponentially. Yet, the web browsers are the same two beasts that you find elsewhere in linuxes. For a more radical approach to what you ask, look at plan9. There are some modern forks that run on modern hardware.