MudBytes is a code repository dedicated to offering the MUD community a free and open place to exchange snippets, release codebases, provide advice, and offer opinions. The site also provides discussion forums, MUD listings, free banner rotations, and a collaborative pastebin.
Mud Domain is a social network for mudders, much like Myspace or Facebook, only geared toward mudders. Admins, developers, players, and anyone else interested in mudding is encouraged to drop by.
IMC2 is an intermud communications protocol that allows muds to connect to a centralized network of routers for the purpose of chatting, collaborating, and in general just having fun. MudBytes is the home of the Liberty IMC2 server and Freedom client, the most advanced IMC2 system available. The MudBytes Intermud Communication Network is officially endorsed by Arthmoor as your premiere choice for intermud communications.
SmaugMuds.org - The Smaug MUDs Community Center. A place where Smaug enthusiasts from all over can come together and exchange ideas, have discussions, or just pick up the latest bugfixes, code, and snippets for Smaug MUDs. Featured code includes Smaug, SWR, SWFOTE, and AFKMud.
Not strictly a MUD resource, but if you are looking to add a forum for your MUD, then Quicksilver Forums is a smart choice. Quicksilver Forums is a fast, feature rich bulletin board system written in PHP and MySQL. It is fully object oriented and optimized for speed, ease of use, and easy modifications. QSF checks all inputs though a common interface which drastically reduces the chances of exploitable bugs. Powerful and flexible skinning engine makes giving your board a new look very simple. Advanced permissions system allows for fine grained group and user permissions. Based on the popular
MercuryBoard software.
Also not strictly a MUD resource, but if you are looking to build a community website for your players and admins, then QSF Portal is a natural fit. It extends from the powerful Quicksilver Forums software and adds lightweight CMS capabilities in addition to a powerful downloads module.