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.

leerly - Finished with Duo Lingo? Try leerly - learn languages with intermediate materials

Eduflow - Digital learning that actually teaches students something

Memo.ai - Simple and elegant notes app on your Mac

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

Fluent - Fluent is a people-based marketing platform that uses real-time, one-to-one interaction to create custom audiences and serve personalized ads that drive performance at scale.