Merge entry- or template-based XML with XSL templates.
XML Encoding plugin. Converts reserved XML characters into entities. This plugin is required for RSS feeds.
Converts xhtml code into html.
XHTML Typography Plugin, both "full" and "light" versions.
Removes <p></p> from the XHTML formatted entries
The XMLGrab plugin allows you to insert the contents of an XML file (or feed, or API response) into Expression Engine weblogs.