The most promising things I know of are Google Fuchsia (which is a mobile OS), and Goblins, which is a Scheme library for doing distributed programming. There i

The most promising things I know of are Google Fuchsia (which is a mobile OS), and Goblins, which is a Scheme library for doing distributed programming. There is something called Realms which is being worked on for JS, but I haven't dug into it too deeply yet. It might provide a good foundation for building ocaps into the browser, though. https://github.com/tc39/proposal-realms https://github.com/tc39/proposal-realms https://en.wikipedia.org/wiki/Google_Fuchsia https://en.wikipedia.org/wiki/Google_Fuchsia https://docs.racket-lang.org/goblins/index.html https://docs.racket-lang.org/goblins/index.html