* Concept''''''Draw MINDMAP (commercial, Windows/MacOsx): http://www.conceptdraw.com/mindmap/ - software for mindmapping, brainstorming, creative thinking 

http://freemind.sourceforge.net/

Some recently released MindMap''''''ping software is at: http://SuperThinking.com

http://twistedmatrix.com/trac/infogreater/trac

* XMIND(shareware, Windows/MacOSX/Linux): http://www.xmind.org -software with fishbone-chart, 2D-chart , mind map for mindmapping, brainstorming...

There is a longer list of mindmapping software on MindMap itself.
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CategorySoftwareTool