Scrivener - Scrivener is a content-generation tool for composing and structuring documents.
OmniOutliner - OmniOutliner is a writing app for collecting information, outlining ideas, adding structure to any sort of writing.
Manuskript - Open-source tool for writers.
Dynalist - Dynalist is a web app that lets you break down and organize your thoughts in the format of lists.
FocusWriter - FocusWriter is a fullscreen, distraction-free word processor designed to immerse you as much as...
Outlinely - Indispensable information organization tool for knowledge workers.