XAML is static, and XUL had verbose and awkward syntax & commands. I think QtQuick is also static. QML is perhaps a closer example (but not XML), but many Qt-re

XAML is static, and XUL had verbose and awkward syntax & commands. I think QtQuick is also static. QML is perhaps a closer example (but not XML), but many Qt-related tools are proprietary or have dodgy licenses.