This article is from the misc.writing Writing FAQ, by Wendy Chatley Green email@example.com with numerous contributions by others.
http://www.critters.org From the Critters Web Page: "Critters is an
on-line workshop/critique group for serious writers of Science
Fiction, Fantasy, and Horror. The ultimate goal of Critters is to help
writers improve, not only by having their work dissected by other
members, but also by learning to dissect their own work (by, of
course, dissecting others). The value of the latter is often
overlooked by beginning writers.
"It works something like this: Suppose you submit a short story or
chapters of a novel . . . You email your manuscript (in the proper
format), it gets put into a queue of stories; in about a month, when
it bubbles to the top of the queue, it (and a batch of others) are
emailed around to the members (or they can get them off the web
page). Critiques are due within a week. Most pieces get 15-20
Critters has over 1,000 members and has been around for more
than four years.