Grammarly - Clear, effective, mistake-free writing everywhere you type.
editorr - Get instant writing help from real editors.
Typely - A sensitive, unobtrusive and reliable tool for any writer, newspaper editor, teacher, blogger or student STA
Authorly - Read | Write | Explore - Connecting Authors
Scrivener - Scrivener is a content-generation tool for composing and structuring documents.
OWO Text Generator - Text generator that automatically turns texts to the "OWO" grammar.