Wikibrains is a social brainstorming tool that helps you think. It's fast, visual and fun. Put in a word or topic and see what others have brainstormed or start one of your own.
Type an outline and have it turned into a mind map with click of the button. A good way to see both a text version and a graphic version.
Easy to use web tool to create a variety of graphic aids.
Online Mind Mapping and Brainstorming app. Upload documents, files, calendars, etc.