Since you can create your own gui drivers, a simple howto will provide you with the necessary information to create one yourself, or to adapt a format that already exists. For now the drivers are very simple to create : Just write a handler (you can choose your own format) and use it to generate xulux parts and let it create widgets In a later stage there will be some kind of api to be able to customize the way the gui behaves. Eg some formats don't support the rule systems that we support. We will come to this specification during development of the XUL driver