My projects you can download and use for free.
Simple Plone product solution for streaming on-line videos using Flash Video format (*.flv).
Zope 2 product for templates debugging. It shows all Python and TAL expressions used during rendering.
This is a Python framework to integrate with Protx credit card payment service. It fills the gap because Protx doesn’t support Python. It is build as a Zope product. It can be used in Plone or other Zope systems. You can also take pieces of it and use in other Python-based web servers.