Crawford Kilian has created an outline breaking down the steps of writing various different projects and advice on how to handle each step. Everything is covered here, from developing the habits to make you a better writer to reading and understanding your publishing contract. Suggested by the wonderful dream_weaver.

Offers a wide variety of free services including thesaurus, encyclopedia, etc. Free to use though there is 'premium content' for those who register.

Dictionaries, scans of historical documents, access to several different libraries - talk about one stop shopping. Free to use.

Offers several references; dictionary, medical dictionary, thesaurus, spanish-english translator, etc. Excellent resource. Free to use.

Offers dictionary, translations, reverse dictionary look up, etc. Free to use.

A rhyming dictionary and thesaurus as well as quotes and other features. Free to use.

Provided by Fearless Books, this publishing guide is full of information and suggestions on how to get your work published. Recommended by Potnpayday.

Tired of only coming up with huge, forever long words to describe something simple? Plug in your stupendous-length alternatives and get a list of shorter options. Free to use. Recommended by that adorable kennethlove.

A reference for all the terms of today, as they're brought into common use.

Useful for poetry and song-writing, this dictioanry offers a variety of ways to rhyme words - by first syllable, last syllable, double rhyme, etc. Free to use.

A helpful article written by C. J. Cherryh, courtesy of the SFWA. If you were wondering about who vs. whom or looking for quick ways to spice up your writing - check this out. Recommended by Potnpayday.