Easy Generator Generator (EGG) is a development tool for fast and easy realization of XML to plain-text tranformations. It is similar to XSLT, Velocity, or JSP but emphasises source code generation in a model-driven generative developmen process. It comes with an iterative development process for creating templates that lets you build transformations quickly and easily.
PXSL ("pixel") is a convenient shorthand for writing markup-heavy XML documents. It provides XML authors and programmers with a simple, concise syntax that they can use to create XML documents. For more advanced users, it offers customizable shortcuts and sophisticated refactoring tools like functional macros that can markedly reduce the size and complexity of markup-dense XML documents.
Youhp3 (Youpee's One Unlimited HTML PreProcessor) is an HTML preprocessor that allows you to embed code of any script language, as well as calling any external program to generate text files. It is specifically designed to work with HTML/XML documents, and provide traditional features, such as define, include, macro, conditional tests, and loop.