Better Notes - Simple notes app that ties notes together with #hashtags

Plot Factory - Online story planner, organizer, and writing application.

Paper - Super-clean writing space with a lot of configurability that stays out of sight when you don’t need it.

Scrivener - Scrivener is a content-generation tool for composing and structuring documents.

Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.

World Anvil - World Anvil is a worldbuilding tool for Authors, Storytellers and worldbuilding lovers.