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.

Reji - Improve your vocabulary hassle-free 📚

Eduflow - Digital learning that actually teaches students something

Kialo - Kialo is the platform for rational debate. Empowering reason through friendly and open discussions.

Langolin - Learn Spanish, French, and German using Netflix

Backchannel Chat - Backchannel Chat is best in class discussion tool that is intended for teachers to streamline their class activities.