Grammarly - Clear, effective, mistake-free writing everywhere you type.
Medium API - Official Medium API
ProWritingAid - For the smarter writer. A grammar checker, style editor, and writing mentor in one package.
Characters - Characters makes it easy for writers, designers and developers to access special characters. They are easily found and copied to your clipboard, either as html code or as the character itself.
Gramara - AI grammar correction with transformers
Bytes - Your weekly dose of JavaScript