Plumi is a video sharing content management system based on Plone. It enables you to create your own sophisticated video sharing site. By adding it to an existing Plone instance you can quickly have a wide array of functionality to facilitate video distribution and community creation.
Hivurt is a content management system powered by a component architecture. It gives you the strength of Zope 3 in an easy to use environment. It allows you to easily switch between ZODB and PostgreSQL data storage and features search and indexes, an easy editor UI, front-end skins, and localization and internationalization. Existing data stored inside an RDBMS can easily be accessed as Zope objects.
Knowledge Management Key (KMKey) is Web-based knowledge management software that joins three solutions on the same collaborative platform: KMKey Project: for planning, managing, and controlling your project portfolio; KMKey Quality to manage your Quality System; and KMKey HelpDesk: for your maintenance and support department. It's developed using Python and Zope, on top of the content management CPS.
The ZODB is an object database that allows for comparably natural storage of Python objects. Its top features are transparent persistence for Python objects, full ACID-compatible transaction support (including savepoints), a history/undo ability, efficient support for binary large objects (BLOBs), pluggable storage, and a scalable architecture. The database has a proven track record for about ten years in large applications.