I'm of two minds about putting up a page in the DevRoadmaps Wiki for RAD.
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Mark Goldberg recently pointed out one such code management tool: Code Canvas:
Code Canvas is a new user experience for Visual Studio 2010 that provides an infinite zoomable surface for software development. A canvas both houses editable forms of all of a project’s documents and allows multiple layers of visualization over those documents. By uniting the content of a project and information about it onto a single surface, Code Canvas is designed to leverage spatial memory to keep developers orient-ed and to make it easy to synthesize information.
Check out the YouTube video.
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