Show HN: I rewrote the 1990's LambdaMOO server 27 by cmrdporcupine | 6 comments on Hacker News. I got my start on the Internet in the very early 90s playing with, authoring in, and programming on LambdaMOO ( https://ift.tt/mk0WhCV ) and similar systems. Shared virtual social spaces, with a persistent object oriented authoring / scripting language. They can be classified as MUDs (depending on who you talk to) but the focus is social, creative / authoring, and shared programming not RPG gaming. I've always wanted to see this kind of thing modernized and further developed. Over the last 25 years or so I've worked on similar but novel & improved things, but never finished. So I decided to just re-implement LambdaMOO and use that as a base, instead and keep compatibility as a goal, but build it out on a more modern foundation that takes advantage of multiple core machines, newer network protocols, newer connectivity methods, uses MVCC transactions for the shared database ...