RDFox
7.8#2 in rdf databasesFree planFree planWebAPILinuxmacOS
VisitRDFox vs Virtuoso Universal Server
Virtuoso Universal Server
7.9#1 in knowledge graph softwareFrom $99.99 a yearWebAPILinuxmacOS
VisitWhat both publish
| Fact | RDFox | Virtuoso Universal Server |
|---|---|---|
| Company | Oxford Semantic Technologies is an Oxford University spin-out acquired by Samsung Electronics in 2024. | OpenLink Software is a privately held company founded in 1992. |
| Deployment | RDFox can run on a single machine or as a cluster distributing processing across multiple machines. | The open-source edition provides installers for Linux, macOS, and Windows, Docker instructions, and source builds for those operating systems. |
| Documentation depth | The documentation includes user guides, REST and Java API references, Javadoc, shell instructions, operations manuals, high availability and Docker deployment chapters. | Official documentation includes manuals and wiki material for Virtuoso, the open-source edition, the Virtuoso Authentication Layer, and Java provider APIs. |
| Founded | 2017 | 1992 |
| Product | RDFox is a main-memory, scalable centralized data store for RDF graph data queried with SPARQL 1.1. | Virtuoso is a multi-model DBMS and HTTP-based application server that provides access to disparate data sources. |
| Rating on Capterra | 0.0 out of 5 from 0 reviews | 3.5 out of 5 from 2 reviews |
| Rating on G2 | 4.8 out of 5 from 14 reviews | 4.3 out of 5 from 4 reviews |
| Rating on GetApp | 0 out of 5 from 0 reviews | 3.5 out of 5 from 2 reviews |
| Security | RDFox v7.0 added encryption at rest and client-certificate authentication using mutual TLS for endpoint and remote-shell requests. | The maker describes fine-grained attribute-based access controls and lists encryption at rest as a commercial feature. |
| Security controls | Documentation covers access control, HTTPS endpoint configuration, logging, encrypted persisted data options and high-availability operations. | The server supports SQL role-based security, column/table/view/procedure permissions, and row-level policy functions. |
RDFox plans
- Free evaluationFree
- RDFox free evaluation licenseFree
- AWS Marketplace RDFoxPriced on request
- RDFox commercial licensePriced on request
Virtuoso Universal Server plans
- Personal$99.99 a year
- Developer$199 a year
- Project$499 a year
- EnterprisePriced on request
Pick RDFox if…
RDFox may suit teams building RDF knowledge-graph systems that need rule-based reasoning, APIs, or deployment across different environments. Its evaluation license is limited to evaluation and non-commercial use.
Pick Virtuoso Universal Server if…
You want what its maker publishes above — check its page for the details.