Four Seconds - A timer and a simple rule: stop it at exactly four seconds.
Laoshi - Learn new words with flashcards to master Chinese faster
Wikids - An encyclopedia that talks to your kids
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.
Cotrio - The most beautiful way to move your brain and imagination
Simply Learn Japanese - Learn Japanese with 1000 phrases and intelligent flashcards