List of recommended MUCK Clients
The SpinDizzy webclient is useful, but once you start using the MUCK extensively, you may wish to download and use a different client. MUCK clients often have additional useful features such as logging in automatically, logging, word highlighting, etc. Regardless of which client you use, you'll need to know the address of SpinDizzy: muck.spindizzy.org port 7072 (SSL port 7073)
We also host an advanced webclient written by Kandra, which provides logging, file uploads, ease of use for puppets, and many other features.
Web: Advanced WebClient
Windows: BeipMU, MuckClient, Pueblo
Unix/Linux (many of these work on Windows and MacOS as well): Trebuchet, TinyFugue (Windows version), JamochaMUD
Feel free to update and prune this list to reflect reality.