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.
Kalam Labs - Twitch for Science
COOLPHABETS - Helping kids around the world learn their native alphabets.
RunaWFE - RunaWFE Free is a free Open Source BPMS (business process management system), which serves to optimize and automate business processes (for Windows, Linux, Mac OS).
Flowlingo - Get fluent in a language through content immersion
Litnerd - The Pixar for education, reading program for K-5 schools