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.

Xmind - Xmind is a brainstorming and mind mapping application.

Magiclingua - Speak a new language with confidence

MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.

Parla - AI-powered English teacher

FeatureMap - FeatureMap story mapping, simple and effective realtime collaboration and collective intelligence tool.