What is XULRunner

XULRunner is a Mozilla runtime package that can be used to bootstrap XUL+XPCOM applications that are as rich as Firefox and Thunderbird. Its similar to other existing runtime applications such as J2SE Java Runtime Environment (JRE). This runtime package provides a way for installing, upgrading, and uninstalling XULRunner applications. XULRunner will also provide libxul, a solution which allows the embedding of Mozilla technologies in other projects and products. These applications can be written in any supported languages by Mozilla web platform. Some of these languages would be the following:

• HTML
• XHTML
• SVG
• XUL