Xmind - Xmind is a brainstorming and mind mapping application.

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.

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

Eduflow - Digital learning that actually teaches students something

Coggle - Coggle is a simple, beautiful, powerful way of structuring information.

Kialo - Kialo is the platform for rational debate. Empowering reason through friendly and open discussions.