Turtl - The secure, collaborative notebook
Scrivener - Scrivener is a content-generation tool for composing and structuring documents.
Omni Notes - Note taking open-source application aimed to have both a simple interface but keeping smart behavior
Manuskript - Open-source tool for writers.
Tomboy - Apps/Tomboy - GNOME Wiki!
FocusWriter - FocusWriter is a fullscreen, distraction-free word processor designed to immerse you as much as...