DikuMUD III using HTML and websockets.
Check out https://github.com/Seifert69/DikuMUD3 - DIKU is under active development, and always interested in good world builders!
NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.
Any open-source muds WITH worlds included?
3 projects | reddit.com/r/MUD | 6 Jul 2022
Let's talk about MUD and AI
1 project | reddit.com/r/MUD | 9 Apr 2022
Ask HN: Are MUDs Still a Thing?
1 project | news.ycombinator.com | 27 Jun 2021
Welcome to the rift!
1 project | reddit.com/r/riftshadow | 25 Apr 2022
ToastStunt Programmers Guide
3 projects | reddit.com/r/MUD | 24 Jan 2022