Project aiming to create a XUL runtime that requires no browser.

This article describes the syntax of XUL, the relationship of XUL to XML and gives an overview of how the rendering engine processes XUL.

An overview of some of the key concepts and terms in the XUL development environment

Describes the event model in XUL and features event propagation as a way to handle events in different places in the interface

A short introduction to Mozilla's front-end architecture, concentrating on the task of building UIs.

Technical article on using Python classes to generate XUL windows

The official tutorial from Mozilla.

Describes the values and attributes that the Mozilla XPToolkit widgets support, as well as the genealogy and structure of valid XUL documents.

Background, design documents, manuals and references for the Mozilla cross-platform user interface toolkit.

Java tool to validate XML documents against several kinds of XML schemata. It supports RELAX NG, RELAX Namespace, RELAX Core, TREX, XML DTDs, and most of XML Schema.