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.

BeneTalk - Speech coach for people who stutter by people who stutter

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.

LingRoom.pl - Tutoring marketplace LingRoom pairs students with private tutors, either locally in-person or online via Skype. Find your best tutor.

Reji - Improve your vocabulary hassle-free 📚

Mondly - Learn 33 languages in 500 bite-size lessons and 14 conversational modules.