Plone 1.0 Release Candidate 1 ready!. As Christmas draws closer, we are proud to announce the first Release Candidate for Plone. If we get positive feedback from this release and migrations are smooth – this will be 1.0! Get the latest Plone from “the plone.org download page”:http://plone.org/download and help us locate any remaining bugs. What is Plone? Plone is a Content Management System based on Zope Corporation's Content Management Framework. It combines a stable base with an attractive, lightweight and easy-to-use User Interface, and has quickly become one of the leading Open Source Content Management Systems. [Zope.org]