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TinTin++ - http://tintin.sourceforge.net
Feature rich console client. Windows, Mac OS X, and Linux builds available. |
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Trebuchet - http://www.belfry.com/fuzzball/trebuchet/
TCL/Tk client for Linux and Windows. Supports MCP. |
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http://ggmud.sourceforge.net/ - http://ggmud.sourceforge.net/
GTK client with most standard features. Win32, OS X, and Linux builds available. |
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JamochaMUD - http://www.jamochamud.org
Java client with most standard features. Windows and Linux builds available. |
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http://mudlet.org - http://mudlet.org
Open source client featuring Lua scripting. Windows and Linux builds available. In development. |