OpenLink Virtuoso Open-Source Edition (VOS) is a multi-model RDBMS platform providing high-performance and scalable data management. It integrates relational, graph and document data models within a single database engine.
VOS includes Data-Integration Middleware with support for ODBC and JDBC, facilitating connection and interaction between data sources and provides data-exchange and transformation capabilities.
VOS includes an HTTP(S) Application Server Platform for deploying web applications and services. It provides built-in support for web standards and protocols. Building on this, VOS is a Linked Data deployment platform with support for RDF, SPARQL and semantic web applications.
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Virtuoso Server
- Downloading installers for Linux, macOS or Windows from Github releases
- Running Virtuoso via Docker
- Building from source on Linux, macOS and Windows
- Upgrading from previous versions
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Optional Components
- JDBC drivers and providers for Jena and RDF4j are available from Maven Central
- Integration with GeoSPARQL
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Recent commits, News and ChangeLog
- Database Administration Manual
- VOS Wiki
- SPARQL ANYTIME implementation notes
Security vulnerabilities may be reported by following the instructions in SECURITY.md.
Issues with Virtuoso may be reported by opening a Github issue, providing a summary, description and steps to reproduce.
Assistance is available via our OpenLink Community forums, or if covered by a support contract, you can also create a Support Case through the OpenLink Support Site.
Contributions are welcome. Please read our Contributor Guidelines before submitting a pull request. They cover the patch workflow, commit message format, tests, licensing, and our policy on AI-assisted contributions. For notes on working with the git tree, see README.GIT.md.
VOS is licensed under the GNU General Public License Version 2, dated June 1991.
The Virtuoso Open-Source Edition (VOS) project acknowledges incorporation of code from several other projects. See CREDITS for details.
- OpenLink Virtuoso (Commercial Edition) https://virtuoso.openlinksw.com/
- OpenLink Software corporate home https://www.openlinksw.com/