Writing/Groups

Association of Authors' Representatives - agent member directory.
Associated Writing Programs - conferences, programs, centers, colleges, grants.
Authors Guild - society for published authors; information, news, etc.
Bibliomania - Thousands of e-books, poems, articles, short stories and plays from the world's greatest writers. All of which are absolutely free.
Burry Man Writers Center - writers community, including information.
Duotrope's Digest - a mini-writer's market guide, listing a variety of genres for publication, detailed guidelines, and requirements.
E-Writing Today - pertinent articles about all aspects of writing as well as a direct feed of timely articles from other providers. 
Jacket Flap - Find out book statistics of any book on the market.
Kimnet – contest listings by fee and no fee.
Literary Scams- Lists sites that are hoaxes and scams.
National Writer's Union - freelance trade union.
Notes & Graces - a great resource for sharing writing and receiving feedback.
Onion, The - seriously funny satire.
Pen American Center - writers fellowship promoting literature, and free expression.
PIF Magazine – self-proclaiming starting point for literary e-press.
Poe War, The –  a site about writing that features articles, freelance jobs, writing employment, news, fiction and poetry.
Poetry.com - a fun site; there's a little quiz to see if you're a true poet, and a contest entry form at the end.
Rejection Collection - read and submit rejections; there's no end to it.
Rhyme Zone- Got a word? Plug it in and find a rhyme.
Sticky Ideas - get your creative ideas going.
Suite 101 - writers community and more.
The AA Independent Press Guide - UK site with information for US writers: contests, interviews, and links to other great sites.
The Writer- writers information for more than 100 years.
Todays-Woman - opportunities for men and women writers. Registration required.
Trutopia - interactive working and learning environment for screenwriters. Registration required to post.
Wordsmith Shoppe - Christian-based site that offers lessons on writing tight.
Writer’s Beat - opportunities for writers.
Writers Digest - writers news, information, and resource.
Writing, Etc. – serious writers’ news, tips, and information.
Writing Fix – interactive writing prompts and exercises to spark your creativity.  
Writers Write - information about books, writing, and publishing.
You Can Write - information and inspiration for the beginner.