Transform XML with XSLT to produce output (usually HTML or XML). More information: http://www.xmlsoft.org/xslt/xsltproc.html.
xsltproc --output path/to/output_file.html path/to/stylesheet_file.xslt path/to/file.xml
xsltproc --output path/to/output_file.html --stringparam "name" "value" path/to/stylesheet_file.xslt path/to/xml_file.xml