Plone is a user friendly Content Management System running on top of Python, Zope and the CMF. It benefits from all features of Zope/CMF such as: RDBMS integration, Python extensions, Object Oriented Database, Web configurable workflow, pluggable membership and authentication, Undos, Form validation, amongst many many other features. Available protocols: FTP, XMLRPC, HTTP and WEBDAV. Turn it into a distributed application system by installing ZEO. Plone shares some of the qualities of Livelink, Interwoven and Documentum. It aims to be *the* open source out-of-the-box publishing system. WWW: http://plone.org/