Pronounce Names - How to correctly pronounce people's names
Grammarly - Clear, effective, mistake-free writing everywhere you type.
NameShouts - Better connections, one name at a time.
LanguageTool - Free proofreading tool for OpenOffice, LibreOffice, Firefox, and Chrome.
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.
Editsaurus - Highlights potential pitfalls in your writing to encourage good habits.