Txti - Fast web pages for everybody
Xmind - Xmind is a brainstorming and mind mapping application.
share.link - A fast and easy way to organize and share your links
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
Padlet - Visual boards for organizing anything.
Coggle - Coggle is a simple, beautiful, powerful way of structuring information.