Helps you visualize the space used on your drives with colorful chart.
...It's NOT optimized for very large and complex drives such as big C: drive for now so it can take up to 10 minutes to scan it (and there is no feedback during this scan, so it can be frustrating).
Visual xsltproc is a tool which help to write xslt file, and debug it to find errors. It writes xml, and generates xml (Syntax highlighting of XML & line Nr.). Finally if the result is XSL-FO it generates the pdf on Apache FOP java. Build on QT4.2.