If there's a commonly used (or uncommonly) runtime or language out there, someone has attempted to write a MOO in it. At least I have. Finishing it, and gettin

If there's a commonly used (or uncommonly) runtime or language out there, someone has attempted to write a MOO in it. At least I have. Finishing it, and getting other people to use it... that's another story. I've started building probably a half dozen or more systems over the last 25 years. Some have gotten further along than others, but none ever completed. And yeah, I played with Erlang for it at one point :-) That's why I just threw my hands up in the air and said "F* it! I'll just make it fully LambdaMOO compatible." Because believe it or not there's still people using the LambdaMOO server (and "Stunt" and things like that) and various cores on it. I can hopefully get their interest; but also it gives you a suite of (really weird, aged, and sometimes questionable...) code to test against, and something to compare to for compliance. The other thing is it makes sense to build such a system in a "systems" PL like Rust or C++, because it is actually a virtual machine, language runtime, database, has a garbage collector, etc. If you end up caring about performance (might not need to, to start), getting closer to the metal makes sense.