Archived Mozilla and build documentation

This is an archived page. It's not actively maintained.

In progress. These articles are archived, obsolete documents about Mozilla, Gecko, and the process of building Mozilla projects.

XULRunner
XULRunner is a Mozilla runtime package that can be used to bootstrap XUL+XPCOM applications that are as rich as Firefox and Thunderbird. It provides mechanisms for installing, upgrading, and uninstalling these applications.