Writing Roads offers free ebooks, interesting blog posts and tons of useful information.
Copy Blogger is a great site for fresh content about every aspect of writing.
RhymeZone is a cheesy little site helpful for finding synonyms, rhyming words, similar sounding words, words used in quotations + tons more.
The Renegade Writer Blog is a fun little blog with news, tips, and insights into professional writing.
Associated Content is a fantastic resource for content, and they also look for publishers as well.
Grandiloquent Dictionary is a great, bare-bones site for looking up rare, awkward, or just plain strange words with limited use in today’s world. Example: tibialoconcupiscent – Having a lascivious interest in watching a women put on stockings
Copyediting is the creation of McMurry, a marketing agency based in Phoenix, and offers newsletters, webinars, online training and more.
Brain Traffic is a company that specializes in web content strategy. Their blog and Twitter account (@braintraffic) are helpful resources for web writing, editorial content, style guides, etc…
Grammar Girl is a weekly podcast by Mignon Fogarty that offers “quick and dirty tips” on correcting many basic, but pesky grammatical errors. Fogarty has written two helpful books on the subject.

+please feel free to add any other sites you frequent to the comments section of this page and we’ll add them to the list+