Links to useful sites

For critiques:
www.critiquecircle.com (All genres)
www.critters.org (Science fiction, fantasy, horror)

Software to help you write:
www.writerscafe.co.uk

Check out agents and publishers:
www.anotherealm.com/prededitors

National Novel Writing Month (a bit of craziness for November)
www.nanowrimo.org

For young writers (13-23)
www.absynthemuse.com

Or to mentor young writers
http://mentoring.absynthemuse.com/