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

How to create new widgets for XUL with XBL.

Step by step tutorial demonstrating the use of XUL to add a new sidebar to Mozilla.

Describes the basics of XUL.

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

The basis of the XUL specification Mozilla uses. Contains information pertaining to Mozilla and XUL.

Technical article on using Python classes to generate XUL windows

A series of pages which describe the process of building a XUL application.

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

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