XULRunner is a Mozilla runtime package that can be used to bootstrap XUL+XPCOM applications.
You can write interesting desktop applications using the XULRunner runtime environment.

Here is a link to XULRunner Installer for windows, that I am currently developing.

Want to Create a simple Hello world XULRunner Application in a jiffy, a simple dos batch file solves the problem XULRunner Template Application Generator

My notes on debugging a XULRunner application.

How to get the application directory of a xulrunner application.

How to create a single instance XULRunner application, a singleton application.

How to handle command line options for a XULrunner Application.