Twilio - Brings voice and messaging to your web and mobile applications.

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.

Plivo - Plivo simplifies your customer engagement.

COOLPHABETS - Helping kids around the world learn their native alphabets.

MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.

Fun Learn - Games and Education & Reference