... I send out a list of most interesting libraries and apps in the "PHP" section to about 1100 subscribers.
Do you want it too?
PHP Script that generates a sitemap by crawling a given URL.
PHP classes which allows you to dynamically and programmatically create standards based XML sitemaps for inclusion into Google and other search engines.
PHP XML Sitemap Generation
Library for generating Google sitemap XML files
Sitemap and sitemap index builder
Simple PHP sitemap generator
Create and generate sitemaps with ease
XML Sitemap parser class compliant with the Sitemaps.org protocol.
A Sitemap Generator written in PHP