TinyFugue
- Portable console client with most standard features. Has some MOO specific support.
- http://tinyfugue.sourceforge.net

Powwow
- Console client with most standard features.
- http://hoopajoo.net/projects/powwow.html

Ymusk
- Tk mush client written in perl.
- http://ymusk.sourceforge.net

Mmucl
- Tcl/Tk client with a console version. Provides Tcl based scripting and basic features.
- http://mmucl.sourceforge.net/

Kmud
- KDE client, with most standard features.
- http://www.kmud.de/

MudTelnet
- Console client using the real telnet protocol. Allows triggers and scripting by perl, C, C++, and shell.
- http://www.itechsc.com/software/free/mudtelnet/

Xpertmud
- KDE client, with basic features and plugins. Allows Perl, Python and Ruby scripting.
- http://xpertmud.sourceforge.net/

SClient
- GTK client, with most standard features.
- http://home.swipnet.se/heathen/linux/sclient.htm

Mcl
- Console client, with most standard features. Allows Perl and Python scripting.
- http://www.andreasen.org/mcl/index.shtml