Libxslt is the XSLT C library developed for the GNOME project. XSLT itself is
a an XML language to define transformation for XML. Libxslt is based on
libxml2, the XML C library developed for the GNOME project. It also implements
most of the EXSLT set of processor-portable extensions functions and some of
Saxon's evaluate and expressions extensions.
People can either embed the library in their application or use xsltproc the
command line processing tool.