Content Management
Zope is an open source application server for building content managements, intranets, portals, and custom applications.
Developer: Zope
License: Zope Public License (ZPL)
Operating System: MacOS X, Windows 95/98/2000, OS/2, BSD, Linux, SunOS/Solaris
PyBlosxom is a lightweight weblog system.
Developer: Wari Wahab
License: MIT/X Consortium License
Operating System: OS Independent (Written in an interpreted language)
MediaCore is an open source media focused content management system.
Developer: Simple Station
License: GNU General Public License version 3.0 (GPLv3)
Operating System: Unix / Linux / Mac OS X
Plone is powerful and flexible.
Developer: Plone
License: GNU General Public License (GPL)
Operating System: Platform Independent
Aquarium is a framework for creating highly-dynamic, custom Web application in Python.
Developer: Shannon -jj Behrens
License: GNU General Public License (GPL)
Operating System: OS Independent (Written in an interpreted language)
Collaborative Portal Server (CPS) is the most complete Open Source solution available for building ECM applications.
Developer: Nuxeo CPS developers
License: GNU General Public License (GPL)
Operating System: Zope
EZ Reusable Objects (EZRO) is a Web application that lets non-technical staff manage content as "objects.
Developer: Ezro
License: GNU General Public License (GPL)
Operating System: Linux, Windows
Collaborative Portal Server (CPS) is the most complete Open Source platform available for building Enterprise Content Management (ECM) applications.
Developer: CPS
License: GNU General Public License (GPL)
Operating System: Linux/Unix/MacOS/Windows
Open source group collaboration software for Enterprise.
Developer: Lisa Scott
License: GNU General Public License (GPL)
Operating System: Linux, xp, mac
Content Management System written in Python using Pylons framework.
Developer: ncms2
License: GNU General Public License (GPL)
Operating System: ALL

More Info