FreeMind is a free mind mapping application written in Java. The general premise of mind-mapping software is that it will help you to organize,link, and integrate thoughts. FreeMind allows :-
1. User can edit a hierarchical set of ideas around a central concept.
2. Freemind also works as a tree editor. You can create fold able trees of plain text , notes enriched with colors, icons, cloud-shapes, and other graphics. This will help user to customize your map.