Hot answers tagged mind-mapping
I think mindmaps are a start and usually not an end in themselves. I use two primarily but have looked at others. Those are Freemind(http://freemind.sourceforge.net/wiki/index.php/Main_Page) and iThoughtsHD (http://toketaware.com/ithoughts-new-home/). I use both for brainstorming and taking notes from books/papers. Sometimes also for the start of new ...
yEd allows to automatically adjust the layout of a graph, with different layouts. Check the menu 'Layouts'. One of the options is 'Radial'. However, yEd does not offer direct import of Freemind files. As both files are XML-based, it should be possible to write an XSLT to convert the file during import. It seems there was an entry in the yWorks Q&A, ...
Although there is no rigorous right or wrong with mind maps, they are usually considered to be based on radial hierarchies and tree structures denoting relationships with a central governing concept. So the answer to your question is yes. Similar types of visualizations which are less hierarchical are concept maps and semantic networks.
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