Radix is a RAD framework for creating native XML web applications. Complete web applications can be created without programming knowledge using XML, XSLT, XPath and related technologies. Radix can be extended using Java, JavaScript, Python, and Tcl.
A web development framework; includes an application server which provides a persistent object cache and transaction support, an intelligent HTML parser, multi-threaded scripting, multiple scripting language support within a single OO framework.
Spoor is a lightweight, highly-customizable wiki engine with support for dynamically creating fields for structured data. It is written in Python and utilizes the Django web framework.
TurboGears 2 is a web framework, but unlike some of its competitors, it's not a monolithic unit, it's a collection of libraries, WSGI components, and web development tools that works well together and is configured to provide a great out of the box.
Pyhew is a web framework written in python aiming to ease the web development with python. Based on frameworks like smarty and php2go. Provides a Templating system, forms (with xml for html and validation), url routing and more.