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.

Guides by Lonely Planet - Explore city guides curated by experts.

LanguageBeast.com - Study English synonyms and antonyms to enrich your vocabulary

AudioBus - With Audiobus, the revolutionary new inter-app audio routing system, you can connect your...

Busuu - Join the global language learning community, take language courses to practice reading, writing, listening and speaking and learn a new language. Learn English with busuu's .

Go Button - Go Button is a mobile audio app designed to provide professional playback of music and sound effects for live shows. It provides a creative, self-contained show control system that runs on your iPad, iPhone, or iPod touch.