American Copy Editors Society – Focus on journalism. Membership, conference and contest information, as well as training, job and internship listings, discussion group and advice.
Association of Art Editors – A national group whose members exchange information about editorial practices, standards, and job opportunities, both freelance and institutional.
A Capital Idea – This copyediting blog covers grammar and newspapers like they’re going out of style.
Copy Editing for Magazines – A course syllabus in magazine copy editing and other information about the profession by Mindy McAdams.
Copy Editor – Language newsletter, website and job search for copy editors.
Copy Massage – A twentysomething copy editor muses on the copy, the editing and the quirky rules that make folks despise us.
Copyediting-L – Listserv archives, information on how to join, FAQs, photo album and resources.
Ed2010 – A group for young magazine editors seeking dream jobs by 2010. Includes whisper job listings and mentoring resources.
Edit-Work.com – Guidelines for creating a style for the company web site, and for editorial procedures. Gives the big picture for content managers.
e-Editor Blog – UK-based guide to writing and editing better, with tips, training and practical help.
The Electric Editors – Directory of links and an e-mail discussion list for editors.
EServer TC Library: Editing – A collection of over 150 online resources about editing, indexing and copy editing, annotated and rated by professional writers.