Lyntin is a Python mud client based on Tintin but goes above and beyond Tintin allowing you to write modules in Python enhancing the client to suit your individual needs.
A MUD-Client for Windows (Win32) and KDE, featuring perl, python and ruby scripting, as well as multi-window output. The main focus is a very strong scripting engine (nearly everything is accessible from a script) while trying to stay user friendly.
Dmud is a Mud client for mac programmed in Cocoa it will support MCCP MSP MXP, and features like Automapper, scripting languages (python,lua ...), triggers, alias and macros. Debel Mud Client 1.0 License - MIT License
A GTK+ MUD client with support for MCCP, MXP, support for the zChat and MudMaster peer-to-peer chat protocols, the MUD sound protocol (MSP), Telnet GA support, regexp trigger support, aliases, Perl and Python plugin support. Isis Mud Client 1.0 License - GNU General Public License (GPL)
KillerPy is a simple command-line based MUD client written in Python. Support scripting written in Python, colors and more. KillerPy the MUD Client 1.0 License - BSD License
The MUD Client for the Lazy People. The MUD Client for the Lazy People. 1.0 License - Python Software Foundation License
zMUD is the most popular and useful MUD client that has been made. When the Internet started, the graphical powers of the computers didn't offer much graphical expression. But the Internet was already there, so the obvious thing started to happen, Multi-User Dungeons were created. MUD is the...
A simple, fast, java based text MUD client.
MMC, the MUD client for UNIX and Win32. Main features: aliases, hotkeys, triggers list ordered by priority, MCCP, delayed/periodic commands, perl5 is used as a scripting language, writing sophisticated triggers and aliases is now simple and easy, and etc.
Mmucl is a platform independent mud client with bothtext and GUI interfaces written in Tcl. There is also a gnome interface available which uses Tcl-Gtk.