Description of XSLDebugger :
Complete with breakpoints and step-into/over this is a visual tool for XSL developers. With the XSLDebugger you can Visually step through an XSL transformation, See the active XSL element, the XML selection and the output, View parameters and variables in a watch window, Integrate with your favorite XML/XSL editor, Test your XPath statements with the XPath Visualizer, Online checking for program updates, Online bug submissions dialog and many more.
ASP
