Moleskine Smart Notebook - Turn hand-drawn sketches into fully workable vector files
Notebook.ai - A smart notebook that grows and collaborates with you
Action Method Notebooks - Notebooks for making ideas happen
World Anvil - World Anvil is a worldbuilding tool for Authors, Storytellers and worldbuilding lovers.
Bookblock - Design-led custom notebooks & stationery.
Kanka.io - Kanka.