Mayan EDMS - Document management without the headaches.
Nuxeo - Nuxeo provides a hyperscale digital asset platform, enabling organizations to unlock the full value of all enterprise digital assets.
Alfresco Community Edition - This page explains where to access the various versions of Alfresco. For General Use Alfresco Community Edition Alfresco Community Edition provides
OpenProdoc - OpenProdoc is an ECM Document Management system with the characteristics:
SeedDMS - SeedDMS is an open source document management system based on PHP and MySQL.
Linchpin - Confluence-based intranet Fully personalized collaboration hub View this video on YouTube. Download a file for offline use (MP4, 63 MB). Test Linchpin for free