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Best Virtuoso Universal Server Alternatives in 2026

Updated

20 platforms from knowledge graph software ranked against Virtuoso Universal Server on the same published basis.

  1. 1
    AllegroGraph Free plan apiLinuxMacself-hostedWeb Free7.4
    Virtuoso Universal Server vs AllegroGraph
  2. 2
    HASH Free plan apiextensionself-hostedWeb $1.67/mo7.4
    Virtuoso Universal Server vs HASH
  3. 3
    RDFox Free plan apiLinuxMacself-hostedWeb Free7.4
    Virtuoso Universal Server vs RDFox
  4. 4
    GraphDB Free plan apiLinuxMacself-hostedWeb Free7.3
    Virtuoso Universal Server vs GraphDB
  5. 5
    LinkedDataHub Free plan apiLinuxself-hostedWeb Free7.3
    Virtuoso Universal Server vs LinkedDataHub
  6. 6
    RDF Studio Free plan apiLinuxMacWebWin Free7.3
    Virtuoso Universal Server vs RDF Studio
  7. 7
    Stardog Free plan apiLinuxMacself-hostedWeb Free7.3
    Virtuoso Universal Server vs Stardog
  8. 8
    TerminusDB Free plan apiLinuxself-hostedWeb Free7.3
    Virtuoso Universal Server vs TerminusDB
  9. 9
    TypeDB Free plan apiLinuxMacself-hostedWeb $0.07/mo7.3
    Virtuoso Universal Server vs TypeDB
  10. 10
    Apache Jena Fuseki Free plan apiLinuxself-hostedWebWin Free7.2
    Virtuoso Universal Server vs Apache Jena Fuseki
  11. 11
    Eclipse RDF4J Free plan apiLinuxMacself-hostedWeb Free7.2
    Virtuoso Universal Server vs Eclipse RDF4J
  12. 12
    QLever Free plan apiLinuxMacself-hostedWeb Free7.2
    Virtuoso Universal Server vs QLever
  13. 14
    Progress Semaphore Free trial apiLinuxself-hostedWebWin 6.8
    Virtuoso Universal Server vs Progress Semaphore
  14. 15
    Timbr Free trial apiLinuxself-hostedWeb 6.8
    Virtuoso Universal Server vs Timbr
  15. 16
    Neo4j Free plan self-hosted $65/mo6.0
    Virtuoso Universal Server vs Neo4j
  16. 17
    Mendix Free plan Free5.9
    Virtuoso Universal Server vs Mendix
  17. 18
    Protégé Free plan LinuxMacWebWin Free5.9
    Virtuoso Universal Server vs Protégé
  18. 19
    OWLGrEd Free plan WebWin Free5.6
    Virtuoso Universal Server vs OWLGrEd
  19. 20
    d.AP 5.2
    Virtuoso Universal Server vs d.AP
  20. 21
    Fluent Editor Win 5.2
    Virtuoso Universal Server vs Fluent Editor

Virtuoso Universal Server alternatives compared

#PlatformScoreFree planFromRuns on
1AllegroGraph7.4Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
2HASH7.4Free plan$1.67/moAPI, Browser, self-hosted, Web
3RDFox7.4Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
4GraphDB7.3Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
5LinkedDataHub7.3Free planFreeAPI, Linux, self-hosted, Web
6RDF Studio7.3Free planFreeAPI, Linux, Mac, Web, Windows
7Stardog7.3Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
8TerminusDB7.3Free planFreeAPI, Linux, self-hosted, Web
9TypeDB7.3Free plan$0.07/moAPI, Linux, Mac, self-hosted, Web, Windows
10Apache Jena Fuseki7.2Free planFreeAPI, Linux, self-hosted, Web, Windows
11Eclipse RDF4J7.2Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
12QLever7.2Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
14Progress Semaphore6.8No—API, Linux, self-hosted, Web, Windows
15Timbr6.8No—API, Linux, self-hosted, Web
16Neo4j6.0Free plan$65/moself-hosted
17Mendix5.9Free planFree—
18Protégé5.9Free planFreeLinux, Mac, Web, Windows
19OWLGrEd5.6Free planFreeWeb, Windows
20d.AP5.2No——
21Fluent Editor5.2No—Windows
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Questions about Virtuoso Universal Server alternatives

What is the best alternative to Virtuoso Universal Server?

AllegroGraph, number 1 in knowledge graph software with a score of 7.4 out of 10. The others here: HASH, RDFox, GraphDB and 16 more.

What is the best free alternative to Virtuoso Universal Server?

AllegroGraph is the best-ranked alternative with a free plan. 16 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.