Download of Zope 2.11.4 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The following versions: 2.7 and 2.1 are the most frequently downloaded ones by the program users.
The actual developer of the free software is Zope Corporation. The common filename for the program's installer is python.exe. We recommend checking the downloaded files with any free antivirus. The software lies within Development Tools, more precisely IDE.
From the developer:
An Open Source application server, focusing on content management, portals, and custom services. Zope specializes in rapid deployment of rich services to diverse audiences. It is completely web-manageable. It includes a web server, a search engine, and a transactional object database. It allows site maintainers to extend 'safe scripting' privileges to users.
You may want to check out more software, such as Thermoptim, which might be related to Zope.