Zugg's Mud Client (ZMUD) - One of the most popular MUD clients for Windows.

Mudlet - A free mud client available for Windows and Linux.

TinTin++ - Another very popular MUD client. Supports Windows, Linux, Unix, and Mac OSX.

CMUD - Another Windows MUD client by the makers of ZMUD.

Gnome-Mud - MUD Client for the Gnome Window Manager (Unix/Linux).

TAP Computer Services - Online support and IT news site.