Mokkup - Create Stunning Dashboard Mocks in Minutes!
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.
Moqups - The most stunning HTML5 app for creating resolution-independent SVG mockups, wireframes & interactive prototypes for your next project
Magiclingua - Speak a new language with confidence
MockFlow - A super easy wireframing tool with all the other tools you need in the product design process
Parla - AI-powered English teacher