What: tkMOO-light
Description: Advanced chat client suitable for use with MUD and MOO systems. Runs on Unix, Windows 95/98/NT and Macintosh platforms. Macintosh version is a single file download which doesn't require a separate install of tcl/tk.
Latest version is v0.3.29 .
Updated: 1999-05
Contact: mailto:[email protected] (Andrew Wilson)

LV: Anyone know about other versions of this?

Google points to

What: tkMOO-SE
Description: the same as tkmoo-lite but new and improved features now has more mcp support and is still suitable for Unix, Windows 95/98/NT/XP and Macintosh platforms. Does not need a separate install of tcl/tk for windows platforms
Latest version is v0.2
Updated: 2005-03
Contact: mailto:[email protected] (Stephen Alderman)

Here is info on tkmoo-se - please contact me for any ideas and improvements (Stephen)