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Rico - Rich Ajax Framework is a JavaScript library for creating rich internet applications. It is based on Prototype, it includes grids, calendar & tree controls, drag & drop, and cinematic effects. Its object-oriented framework makes it easy to add richness to your web application.
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The GTP Usability Prototype provides a webinterface to the GTP software allowing easy testing and manipulation of parameters.
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dizzyPages is a PHP5 framework for building web applications. It provides a prototyping tool to quickly build the workflow of your application.Then create custom presentations with the supplied XSL templates and business logic with the PHP5 API.

