OOoPy is a library in Python for inspecting, creating or modifying OpenOffice.org documents. It uses the existing ElementTree XML library by Fredrik Lundh for manipulation of the OOo XML.
Mamba is a extensible xml templates preprocessor wrote in Python.
Using it, you can rapidly develop powerful applications ready to integrate with the internet.
It can be used to work as a generic CGI program or for generate content.
SchemaDoc is a XML-based markup language for documenting XML schemas. The work products include both the vocabulary and a set of tools for combining it with the schema source (e.g. a DTD) to produce documentation in HTML, XML DocBook, LaTeX, etc.