Kingfisher is a visual mapping tool that helps individuals and teams understand, explain, and collaborate on complex information. Kingfisher works the way your brain does: by organizing parts that can be combined and connected to each other to form a complete picture.
Debategraph is a wiki debate mindmapping and visualization tool that lets you: present the strongest case on any debate that matters to you; openly engage the opposing arguments; create and reshape debates, make new points, rate and filter the arguments; monitor the evolution of debates via RSS feeds; and, share and reuse the debates on and offline.