Concrete5 is an open source content management system (CMS) written in PHP and based on the Zend Framework. It allows for in-place editing of content for logged in admin-level users.
concrete5 is an open source content management system (CMS) written in PHP. It includes Zend libraries and includes jQuery for JavaScript needs. It allows for in-context editing of content for logged in admin-level users.
As a database, it's using MySQL through the ADOdb Database Abstraction Layer.
The project is maintained at http://www.concrete5.org/.
Many answers can be found on their forums or through their irc channel on freenode (/server irc.freenode.net
in your favorite IRC client, and /join #concrete5
once you're connected)