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.

YouTube Money Calculator - The easiest way to estimate YouTube earning potential

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

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Fun Learn - Games and Education & Reference

Building Communities - A live class by Product Hunt's Erik Torenberg