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.

tutoit.io - Create an in-app measurable tutorial with a single click

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

DebateArt.com - DebateArt is a unique and growing community committed to the idea of exchanging views and perspectives through debating.

MondlyAR - Learn languages in augmented reality

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