ACME, a powerful content management framework written in Python
The small, very configurable CMS system with dynamic data definition.
Hystrix - an application server and supporting library consisting of a persistent object space (ORM and/or a native object store), object accessor layer, and a component based rapid implementation/development environment.
AtomAPI based Blogger client written in Python using PyQT.
Платформа создания Web-приложений
Webitable is a free open source content management system that allows you to rapidly build web-sites and web-applications by mouse clicks (high-level) or Java programming (low-level) or in between. Written in Java and may be rewritten in Python.
iSurface - Project Management System. This system created to improve other systems and finding new solutions to old problems.
The project is based on technology OSTIS(Open Semantic Technology for Intelligent Systems). The project has developed tools enable the use of project OSTIS for developing Web applications for the Internet.
the Gear project is Open Source Zope-based content management system with rich workflow support. Will opiented to corporative sites and corporate information system with easy ERP support.
tomato's Web Application Common Components -- project aimed on building commonly used components for web applications.