Tags: Programming Language.
XUL (/ˈzuːl/ ZOOL) which stands for XML User Interface Language is a user interface markup language that is developed by Mozilla. XUL is implemented as an XML dialect; it allows for graphical user interfaces to be written in a similar manner to Web pages.XUL can be used to write cross-platform applications such as Mozilla Firefox where it is interpreted by the layout engine known as Gecko which renders Firefox’s user interface and Web page display.