The EMML language provides a rich set of high-level mashup-domain vocabulary to consume and mash variety of Web data-sources in interesting ways.
EMML also provides ability to mix and match diverse data-formats : XML, JSON, JDBC, JavaObjects, and primitive types.
While SVG is not a user interface language, it includes support for vector/raster graphics, animation, interaction with the DOM and CSS, embedded media, events and scriptability.
Wasabi also supports XUI's which are nothing but
Its scope is more ambitious than that of most user interface markup languages, since program logic and styles are also embedded in the XAML document.
It cooperates with many existing standards and technologies, including CSS, JavaScript, DTD and RDF, which makes it relatively easy to learn for people with background of web programming and design.
In avionics, the ARINC 661 standard prescribes a binary format to define user interfaces in glass cockpits.