ztml retrieves and formats the data stored in MySQL database by using user scripts and together with any HTML or text data, which are also stored in MySQL database, and sends the output to the browser.
WXML could be considered as an xsl like templatisation language. Based on php, it allows the developement of XML like tags libraries. Every tags can be embbed into any HTML/XHTML, XML file.
Scratch is a simple markup language for use in applications such as weblogs and content management systems. Scratch provides simple inline and block tags for formatting and semantic markup.