DB-UML is an open source modeling tool for creating, updating and visualizing relational database schemas. You can create a new UML model of database elements, import relational catalog meta-data and generate SQL create statements from the model.
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.