I was recently contacted by the creator of Saeven's Zone Maker.  It is supposed to be configurable to different muds. The owner is looking for testing and feedback.  The main page for SZM is located at

There is a forum associated with it at:
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I have not tried the editor myself, so I cannot say whether it is good or not.  Give it a go if you are interested.

Neranz Laverani, Seeker of Knowledge