Grammarly - Clear, effective, mistake-free writing everywhere you type.
ProWritingAid - For the smarter writer. A grammar checker, style editor, and writing mentor in one package.
Linguix - AI-enabled writing tool for writers, editors, and businesses
Writefull - Writefull provides you with the tools you need to improve the quality and consistency of your writing.
TabComplete - Secure Autocomplete for Chrome
Fluently Beta - Write fluently in any language