Synonymful - Improve your vocabulary and communicate like a pro.
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.
Reji - Improve your vocabulary hassle-free 📚
Writefull - Writefull provides you with the tools you need to improve the quality and consistency of your writing.
Duolingo - Duolingo is a free language learning app for iOS, Windows and Android devices. The app makes learning a new language fun by breaking learning into small lessons where you can earn points and move up through the levels. Read more about Duolingo.