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.
Text Case - Format any raw text on iOS and more 📝
Memrise - Learn a new language with games, humorous chatbots and over 30,000 native speaker videos.
EasyEmail - Gmail plug-in that helps you write emails quickly
Busuu - Join the global language learning community, take language courses to practice reading, writing, listening and speaking and learn a new language. Learn English with busuu's .
Really Good Emails - A large collection of good product email design.