Virtuoso Universal Server

7.2easy start · #9 of 33
in Knowledge Graph Software

Free to practise onnot on record
Free trialyes
Well documentedyes
Runs where you workyes

Runs on api, Linux, Mac, self-hosted, Web, Windows.

Virtuoso Universal Server is ranked #9 of 33 in knowledge graph software on The Geeks Club. It runs on API, Linux, macOS, Self-hosted, Web, Windows. A free trial is offered.

Virtuoso Universal Server plans and pricing

All plans

Personal $99.99 once 2 concurrent users · 2 CPU cores · Linux, Windows, macOS · Workstation virtuoso.openlinksw.com · 30 Sept 2026

Developer $199 once 5 concurrent users · 8 CPU cores · Linux, Windows, macOS · Workstation virtuoso.openlinksw.com · 30 Sept 2026

Project $499 once 5 concurrent users · 16 CPU cores · Linux, Windows, macOS · Workstation virtuoso.openlinksw.com · 30 Sept 2026

Enterprise Not published Unlimited concurrent sessions · Unlimited CPU cores · Server-grade operating systems · Enterprise support · Custom licensing terms virtuoso.openlinksw.com · 30 Sept 2026

Compared on knowledge graph software

Free plan: Yes
Deployment model: hybrid
Semantic layer: Yes
Access protocols: SQL, SPARQL, XQuery, XPath, ODBC, JDBC, UDBC, OLE DB, SOAP, REST, HTTP
REST API access: Yes
Query acceleration: Yes

Best Virtuoso Universal Server alternatives

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The record

Product: Virtuoso is a multi-model DBMS and HTTP-based application server that provides access to disparate data sources.
Data models: Virtuoso supports relational SQL data, RDF, SPARQL, XML, JSON, and web services.
Virtualization: Its virtualization layer lets users access and query data from multiple sources through a unified database view.
Protocols and integrations: The platform connects to external data sources through HTTP, ODBC, and JDBC and supports standards including SQL, SPARQL, GraphQL, and RDF.
Security: The maker describes fine-grained attribute-based access controls and lists encryption at rest as a commercial feature.
Licensing: The maker offers open-source and commercial licenses; its pricing page says the open-source version is under GPL.
Commercial features: Commercial licensing includes advanced security, custom reasoning and inference, high-availability replication, and professional support.
Support: Commercial support can include bug fixes, feature enhancements, performance tuning, and consulting, with specifics depending on the agreement.
Deployment: The maker provides installation guides for Linux/Unix, Docker, Windows, and macOS, and describes on-premises/BYOL, AWS, and Azure deployment options.
Scaling: The maker says a single-server deployment can scale beyond 100 billion RDF triples, with Elastic Cluster Edition available for higher demands.
Typical use cases: The maker lists AI-driven customer support, enterprise knowledge management, data governance, data productization, and data integration as typical use cases.
Company: OpenLink Software is a privately held company founded in 1992.
Founded: 1992

Where it ranks on The Geeks Club

Best Knowledge Graph Software in 2026#9 of 33
Best Spatial Databases in 2026#11 of 32
Best RDF Databases in 2026#8 of 26
Best Multimodel Databases in 2026#11 of 26
Best Data Virtualization Software in 2026#6 of 23

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Sources

virtuoso.openlinksw.com· checked 30 Sept 2026
virtuoso.openlinksw.com/pricing/· checked 30 Sept 2026
openlinksw.com/company/· checked 30 Sept 2026