Grammarly - Clear, effective, mistake-free writing everywhere you type.
OpenVoyce - Openly discuss and vote on ideas, opinions and reactions
Typewriter - Your on-demand editor
Lampant - Helping organizations find and act on the best ideas
Typely - A sensitive, unobtrusive and reliable tool for any writer, newspaper editor, teacher, blogger or student STA
Scrivener - Scrivener is a content-generation tool for composing and structuring documents.