OrgPad - A digital whiteboard that unlocks the true power of computers to everyone. It is super easy to use and it will help you with all your daily tasks.
Xmind - Xmind is a brainstorming and mind mapping application.
MindNode - Delightful Mind Mapping for your Mac, iPad and iPhone. MacCapture Your Thoughts. Any idea starts with a loose collection of .
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
MindManager - With MindManager, flexible mind maps promote freeform thinking and quick organization of ideas, so creativity and productivity can live in harmony.
Mindly (mind mapping) - Mindly helps to organize your inner universe.