OpenLink Software, Inc., a provider of data access and enterprise information integration middleware, has announced the commercial release date of Virtuoso 3.0, the new edition of its cross platform Virtual Database for SQL, XML, and Web Services. The new release is designed to enable transparent and concurrent access in real-time to heterogeneous data sources that include ODBC/JDBC/OLE DB/.NET-accessible databases, XML documents, and data-set oriented Web Services. Virtuoso also integrates with runtime environments for distributed computing such as Microsoft .NET, Mono and J2EE, enabling the creation and hosting of WSDL-compliant XML Web Services, Stored Procedures, Functions, Triggers, and User Defined Types that are written in Java or any .NET bound language. Virtuoso 3.0 is currently available in public beta form for the following platforms: Windows, Mac OS X, Linux, and UNIX. It will be commercially available during the first week of March 2003. Virtuoso 3.0 is now available for download from OpenLink's Web site.