iMindMap Ultimate for Mac

From Buzan Online:

iMindMap is the official Mind Mapping software from the inventor of Mind Mapping, Tony Buzan. A refreshingly easy, different and practical way to think and work, iMindMap will help you to be more creative and more efficient. Blending a world renowned process, already used by over 250 million people, with cutting edge technology and our signature intuitive interface, iMindMap will breathe new life into your everyday tasks and guide you to discovering fresh and innovative ideas of your own. iMindMap is used worldwide by schools, organizations and companies - some of which you may be familiar with, such as NASA, Walt Disney, Microsoft, Pepsi, IBM and the United Nations - helping them to think differently and to work in a more productive, creative and time saving way.