Some quick links for things you might find helpful! This will grow as we find more.
OneLook: A comprehensive thesaurus, more dynamic than your normal thesaurus. Check it out to see what we mean!
Query Shark: Publicly reviews and critiques query letters.
World Anvil: An in-depth worldbuilding tool for authors.
Writer Beware: This site blows the whistle on unethical or problematic publishing houses, including ones that use contracts that take advantage of authors.
Writers Helping Writers: An abundance of descriptions on certain characters, occupations, and more.