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.
Onboarded - User Onboarding as a Service
Synonymful - Improve your vocabulary and communicate like a pro.
User Onboard - The Elements of User Onboarding (130-Pages)
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.
Spoke Enterprise - Share video summaries and transcripts of your conversations.