FocusWriter - FocusWriter is a fullscreen, distraction-free word processor designed to immerse you as much as...
Freeplane - Freeplane is a powerful and free software for building mind maps.
Scrivener - Scrivener is a content-generation tool for composing and structuring documents.
Linked Ideas - A macOS/iOS apps to treat ideas as links of concepts.
iA Writer - Minimal Design, Maximum Focus
SuperNotecard - Introducing SuperNotecard. SuperNotecard is an online writing tool that features virtual notecards to help arrange facts or scenes, track details, organize paragraphs, and clarify your composition process.