Helping Writers Become Authors — #1 best resource for every writer at every stage. K.M. Weiland posts every week about a number of writing-related topics. She also has archived series on how to structure your story, write character arcs, and outline your novel.
Story Embers — #1 best resource for the Christian writer. They have a quiz that helps you identify your strengths and weaknesses as a writer, a blog where they post articles, short stories, and artwork every week, and a forum where you can join guilds and grow with other Christian writers.
Kingdom Pen — the “bestistest” place on the Internet. Though it’s currently on an indefinite hiatus, there’s a treasure-trove of knowledge in the archives.
Go Teen Writers — probably the best place for teen writers out there. They have some great articles, an active FB group, and contests.
Author Hope Ann — a Christian fantasy author who writes thought-provoking articles and amazing stories. She also provides wonderful coaching services.
Author Nadine Brandes — a fantastic blog run by one of the coolest, sweetest, dorkiest human beings on the planet who writes amazing novels. Her YouTube channel has a wealth of great advice as well.
Author Jane Maree — a writer friend of mine who has some great articles and freelance editing services.
Project Canvas Blog — a blog by young writers for young writers. They also have an excellent book which was published in November of 2018.
Rebellious Writing — a blog about writing for the light which has some great book recommendations as well.