Plot Factory - Online story planner, organizer, and writing application.
Moleskine Smart Notebook - Turn hand-drawn sketches into fully workable vector files
World Anvil - World Anvil is a worldbuilding tool for Authors, Storytellers and worldbuilding lovers.
Notebook.ai - A smart notebook that grows and collaborates with you
Scrivener - Scrivener is a content-generation tool for composing and structuring documents.
WallSync Capture - Digitise your handwritten notes instantly