Critique.org is home to...

Critters Internet Writers' Workshop The reknowned on-line workshop/critique group for serious writers of Science Fiction, Fantasy, and Horror.	The Black Holes Submission Response Time Tracker Find out how long you should expect to wait for a response after submitting a fiction manuscript to a novel or short story publisher. Also has writers' guideline-like data.
CritFinder Regional Critique Group Registry Find others to start a critique group in your area, find an existing one, or sign up to be found.	Free, Secure Web Sites For Regional Workshops One way to improve the circulation of manuscripts within a critique group is to make them easily available on-line for reading in advance (even for read-aloud workshops). Many sites offer free web space, but offer no security to outside snoopers. Critique.org offers free, password protected space to workshops, such as in the sample above. (All content, look&feel, etc., is under your control; I provide a sample and the necessary password protection software.)
Links To Other Workshops On Or Off The Net If Critters doesn't interest you, here's a list of other known critique groups on the net plus some major regional ones.	Resources For Critiquing And Writing An assortment of other writing and critiquing links, including numerous how-to articles on critiquing, submitting, writing, etc..