Xaraya
The Content Management System in Brief:
CMS Original Developer: Xaraya CMS Team
Operation System: Cross-platform
Main Use: CMS & Framework
License: GNU General Public License
Developers' Description:
bXaraya is an extensible, Open Source web application framework written in PHP and licensed under the GNU General Public License. Xaraya delivers the requisite infrastructure and tools to create custom web applications that include fully dynamic multi-platform Content Management Solutions (CMS).
Vox Populi (taken from Wikipedia):
Xaraya is a web application framework and content management system, written in PHP and released as free software under the GNU General Public License. It was originally a fork of the original 0.8 development branch of Postnuke, but has been re-written from the ground up since then.