Does anyone have any recommendations for visio equivalents that are either open source or free. I need a tool that will diagram erd. Physical servers logical app design at least. I know visio will do this at a cost is there anything else out there -- Sent from Google Mail for mobile | mobile.google.com Niall Litchfield Oracle DBA http://www.orawin.info -- //www.freelists.org/webpage/oracle-l