Duotrope — A resource for writers that offers a searchable database for current writing, submission trackers, and useful statistics.

All You Need to Know About Publishing in Online Lit Mags — The article title says it; a deeply informative article.

Print Magazines Taking Online Submissions — has a list of magazines that take online submissions.

Tell It Slant – Journals — A collection of literary journals for writers to submit their creative manuscripts.

Top 50 Literary Magazines —  “A list to help writers find a place to publish their writing that will get them some recognition.”

Butterick’s Practical Typography — Why typography matters, and how to practice good typography.

Tools for Writers — Writing prompts, exercises, book review outlets, guides to getting an agent, and much more.

The Ultimate Guide to Twitter for Writers — A comprehensive guide to the what, how, and why of Twitter for authors.

The Ultimate Social Media Guide for Writers — A good introductory read for those new to social media, and good for anyone who needs a refresher on successful social media practices.