This service can generate an easy-to-read XHTML documentation from an XSD schema.

Features include:

• links that allow you to jump to the referenced schema components
• sample XML of schema components’ constraints
• glossary section which explains some schema terminology

You can also download this for use on your local system at the project Titanium download page (you will need an XSLT processor that supports W3C XSLT 1.0).