The Mentat Wiki explores ways to become a better thinker.

Topics include Memory Techniques, Mental Math, Critical Thinking, Brain Storming, and Shorthand. Other relevant topics are also welcome. How have you made yourself smarter? 

http://ludism.org/mentat

Closely associated with the
NotebooksWiki
http://notebooks.wiki.taoriver.net/
which has some information on (hand-drawn) mind maps.

CategoryEducation
CategoryMindMap