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POPSQuick online mind-mapping with Bubbl.us A Flash-based mindmapping application. Functionality is somewhat limited (for example, while you can create an account and save your work, I don't see any way to export your maps, and there is no undo if you delete a node), but it is a fast and slick interface, good for casual work. Sort of like a fancy-looking version of FreeMind (an excellent program)