Fantastical Scribblings

E.A. Deverell - FREE worksheets (characters, world building, narrator, etc.) and paid courses;

Hiveword - Helps to research any topic to write about (has other resources, too);

BetaBooks - Share your draft with your beta reader (can be more than one), and see where they stopped reading, their comments, etc.;

Charlotte Dillon - Research links;

Writing realistic injuries - The title is pretty self-explanatory: while writing about an injury, take a look at this useful website;

One Stop for Writers - You guys... this website has literally everything we need: a) Description thesaurus collection, b) Character builder, c) Story maps, d) Scene maps & timelines, e) World building surveys, f) Worksheets, f) Tutorials, and much more! Although it has a paid plan ($90/year | $50/6 months | $9/month), you can still get a 2-week FREE trial;

One Stop for Writers Roadmap - It has many tips for you, divided into three different topics: a) How to plan a story, b) How to write a story, c) How to revise a story. The best thing about this? It's FREE!

Story Structure Database - The Story Structure Database is an archive of books and movies, recording all their major plot points;

National Centre for Writing - FREE worksheets and writing courses. Has also paid courses;

Penguin Random House - Has some writing contests and great opportunities;

Crime Reads - Get inspired before writing a crime scene;

The Creative Academy for Writers - "Writers helping writers along every step of the path to publication." It's FREE and has ZOOM writing rooms;

Reedsy - "A trusted place to learn how to successfully publish your book" It has many tips, and tools (generators), contests, prompts lists, etc. FREE;

QueryTracker - Find agents for your books (personally, I've never used this before, but I thought I should feature it here);

Pacemaker - Track your goals (example: Write 50K words - then, everytime you write, you track the number of the words, and it will make a graphic for you with your progress). It's FREE but has a paid plan;

Save the Cat! - The blog of the most known storytelling method. You can find posts, sheets, a software (student discount - 70%), and other things;

I hope this is helpful for you!