Xmind - Xmind is a brainstorming and mind mapping application.
Typorama - Typorama: Text on Photo Editor is a Typography Art and Poster Maker application created and published by Apperto Ltd.
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
Bold - Ultra-fast anonymous publishing platform.
Coggle - Coggle is a simple, beautiful, powerful way of structuring information.
TypeSlab - Simple, shareable typographic posters