Grammarly - Clear, effective, mistake-free writing everywhere you type.

Writefull - Writefull provides you with the tools you need to improve the quality and consistency of your writing.

Linguix - AI-enabled writing tool for writers, editors, and businesses

Expresso - The award-winning Expresso editor is equally suitable as a teaching tool for the beginning user of regular expressions or as a full-featured development environment for the experienced programmer with an extensive knowledge of regular expressions.

Typosaurus - Quickly check your website for spelling errors

Typely - A sensitive, unobtrusive and reliable tool for any writer, newspaper editor, teacher, blogger or student STA