Editsaurus - Highlights potential pitfalls in your writing to encourage good habits.
Scrivener - Scrivener is a content-generation tool for composing and structuring documents.
Grammarian PRO3 - Grammarian PRO3 is a feature-rich grammar checker that enables you to write better content without taking assistance from the English teacher.
Manuskript - Open-source tool for writers.
LanguageTool - Free proofreading tool for OpenOffice, LibreOffice, Firefox, and Chrome.
FocusWriter - FocusWriter is a fullscreen, distraction-free word processor designed to immerse you as much as...