Kindle Worlds: A place for you to sell fanfiction based on select properties.
NaNoWriMo: Short for National Novel Writing Month, NaNoWriMo is a personal challenge to write 50,000 words in 30 days. You can also check on the guidebook No Plot? No Problem! by NaNoWriMo founder, Chris Baty.
The (Submission) Grinder: A place to find new short story markets as well as track all your short story submissions.
HollyLisle.com: A wealth of great advice for authors, new and experienced.
Absolute Write Water Cooler: A writers’ forum with a wealth of information and an excellent place to give and receive feedback on your synopsis, opening pages, and query.
Publishers Marketplace: A listing of literary agents’ most recent sales. (Payment is required to view sales; my personal recommendation is to wait until you are ready to query, get a membership, look up the info you need, and cancel afterwards.)
SFWA Information Center: Another great source for writing advice.