Dabble Writer - Writing software for novelists.
Typely - A sensitive, unobtrusive and reliable tool for any writer, newspaper editor, teacher, blogger or student STA
SHAXPIR - A modern cloud workspace for fiction writing & worldbuilding
Kludd.co - Everyone writes.
Manuskript - Open-source tool for writers.
Grammarly - Clear, effective, mistake-free writing everywhere you type.