With a single installation of PLUME CMS you can have multiple websites, file management, multiple authors with different rights and websites in any languages thanks to a full utf-8 support. Plume CMS proposes a flexible plugin infrastructure to extend it and is fully accessible with output providing standard compliant code by default.
http://www.plume-cms.net/
http://prdownloads.sourceforge.net/p...4.zip?download