TeXML
First of all, let me introduce TeXML:
TeXML is an XML vocabulary for TeX. The processor transforms TeXML markup into the TeX markup, escaping special and out-of-encoding characters. The intended audience is developers who automatically generate TeX files.
* home page: http://getfo.sourceforge.net/texml/
* SourceForge page: http://sourceforge.net/projects/getfo/