(Z Object Publishing Environment) An open source Web application server from the Zope Corporation, Fredericksburg, VA (www.zope.com) that includes functions for building content management systems (CMSs). Written in Python, Zope communicates easily with other Python programs. Originally marketed as Principia by Digital Creations (renamed Zope in 2001), Zope is a combination of the Bobo and Document Template products, written by Jim Fulton.