QuiX is Porcupine's integrated User Interface Markup Language for building Rich Internet Applications.
Porcupine 0.1 introduces support for third party QuiX widgets and dynamic loading of external stylesheets. See HowToIncludeQuiXCustomWidgetsAndStylesheets for instructions on how to do this.
You may also download Quill, a visual interface editor that outputs QuiX files.
Below you can see listed the QuiX widgets grouped by module.