Plume CMS is a fully functional Content Management System in PHP on top of MySQL. Including articles, news, file management and all of the general functionalities of a CMS. It is completely accessible and very easy to use on a daily basis.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.