Commercial mindmap software

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http://www.thebrain.com/products/thebrain/know-more-mind-map/

Know More

Know more. Map your mind. Get the power of information visualization. A Picture Is Worth a Thousand Folders.

Sticky Notes Software - Desktop Notes Freeware - Note Taking Software

http://www.tk8.com/stickynotes/?gclid=CJzuoP-k5qgCFQPabgod2yH0Dg Don't waste your money to buy another set of paper stickies. Packed with useful features, TK8 Sticky Notes is a far better solution than paper stickies on your monitor. Our note taking software is very easy to use and has features your paper notes will never have.
http://www.wisemapping.com/c/home.htm

Wisemapping

A mind map is a diagram used to represent words, ideas, tasks, or other items linked to and arranged around a central key word or idea.