ycoon is a Python WSGI web development framework which allows XML processing pipelines to handle HTTP requests based on URI pattern matching. It is similar in intention to the Apache Cocoon framework. Pycoon uses sitemap file format compatible with Apache Cocoon Sitemap
The eXtensible Text Framework (XTF) is a powerful open source platform for providing access to digital content. Developed and maintained by the California Digital Library (CDL), XTF functions as the primary access technology for the CDL's digital collections and other digital projects worldwide.
Stop learning proprietary languages and memorizing template tags. Symphony leverages open standards like XML and XSLT, and good old XHTML and CSS. Even the admin interface employs the widely-used jQuery library, so extension developers don’t have to learn a whole new framework when extending the back end.