WelcomeVisitors2Virtuoso Open-Source EditionVirtuoso Open-Source Edition Downloading, Building and Using Download and CVS access Before you start Build Overview Getting Started: Administration: Conductor Utilities that come with Virtuoso Tutorials Windows-specific guide What is Virtuoso? Introduction and History Database with XML, full text and hosted Java and .NET RDF store and SPARQL WebDAV and Web Services Service-Oriented Architecture, WS Protocols, BPEL ODBC, JDBC, ADO.net and OLE/DB clients Web-based administration interface and interactive developer tutorials Technical articles Extensions Language Runtime Hosting Java Mono PHP Plugins ImageMagick Web Applications (Wiki, etc) News 8 June 2006: Virtuoso Open Source Edition 4.5.3 now available. This new release adds the ODS Application Framework and applications. 27 April 2006: Virtuoso Open Source Edition 4.5.2 now available. The new release adds Windows support with both a binary distribution and Visual Studio project files, better SPARQL support and documentation, bug fixes and more. 25 April 2006: Virtuoso Scalability: analysis of OLTP performance factors on different hardware.