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. An add-on component (also Open Source) called ZEO allows it to be scaled across an arbitrary number of servers.