State Chart XML (SCXML) zone
The State Chart XML (SCXML): State Machine Notation for Control Abstraction language is managed by the W3C.
Extensible Stylesheet Language
Extensible Stylesheet Language (XSL) zone
A Webel zone dedicated to the eXtensible Stylesheet Language
From https://en.wikipedia.org/wiki/XSL:
In computing, the term Extensible Stylesheet Language (XSL) is used to refer to a family of languages used to transform and render XML documents.
Historically, the XSL Working Group in W3C produced a draft specification under the name XSL, which eventually split into three parts: