- ConceptDraw MINDMAP (commercial, Windows/MacOsx): http://www.conceptdraw.com/mindmap/ - software for mindmapping, brainstorming, creative thinking
http://freemind.sourceforge.net/
Some recently released MindMapping 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.