I think we need an article on this forum that lists the various free mud hosts and how to get an account. I personally don't know of many but this is a call to those of you who do know more than one free host to compile a list for those of us that are not in the know.
So you know of at least one, right? ;) It's a good idea – take the initiative to start a list/document in the articles section. Anybody can create and edit.