C++ EXTENSIONS

LibXml 2

Library available at: LibXml.org
No reader demo is provided on the site, but one is available here.
A wrapper to libxml is provided into the Scriptol archive to use it as a method.of the built-in dom class.

Expat

Expat is a sax API for xml available at libexpat.org
A precompiled static library compatible with BCC 5.5 is here to download.
A C++ example shows how to load, parse and display a simple xml document.