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

Synonymful - Improve your vocabulary and communicate like a pro.

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

Reji - Improve your vocabulary hassle-free 📚

Power Thesaurus - Power Thesaurus is a fast, comprehensive and easy-to-follow online thesaurus for writers...

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.