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Best Virtuoso Universal Server Alternatives in 2026

Updated

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

  1. 1
    AllegroGraph Free plan apiLinuxMacself-hostedWeb Free6.4
    Virtuoso Universal Server vs AllegroGraph
  2. 2
    GraphDB Free plan apiLinuxMacself-hostedWeb Free6.4
    Virtuoso Universal Server vs GraphDB
  3. 3
    HASH Free plan apiextensionself-hostedWeb $1.67/mo6.4
    Virtuoso Universal Server vs HASH
  4. 4
    Neo4j Free plan self-hosted $65/mo6.4
    Virtuoso Universal Server vs Neo4j
  5. 5
    RDFox Free plan apiLinuxMacself-hostedWeb Free6.4
    Virtuoso Universal Server vs RDFox
  6. 6
    LinkedDataHub Free plan apiLinuxself-hostedWeb Free6.3
    Virtuoso Universal Server vs LinkedDataHub
  7. 7
    Mendix Free plan Free6.3
    Virtuoso Universal Server vs Mendix
  8. 8
    Protégé Free plan LinuxMacWebWin Free6.3
    Virtuoso Universal Server vs Protégé
  9. 9
    RDF Studio Free plan apiLinuxMacWebWin Free6.3
    Virtuoso Universal Server vs RDF Studio
  10. 10
    Stardog Free plan apiLinuxMacself-hostedWeb Free6.3
    Virtuoso Universal Server vs Stardog
  11. 11
    TerminusDB Free plan apiLinuxself-hostedWeb Free6.3
    Virtuoso Universal Server vs TerminusDB
  12. 12
    TypeDB Free plan apiLinuxMacself-hostedWeb $0.07/mo6.3
    Virtuoso Universal Server vs TypeDB
  13. 13
    Apache Jena Fuseki Free plan apiLinuxself-hostedWebWin Free6.2
    Virtuoso Universal Server vs Apache Jena Fuseki
  14. 14
    Eclipse RDF4J Free plan apiLinuxMacself-hostedWeb Free6.2
    Virtuoso Universal Server vs Eclipse RDF4J
  15. 15
    QLever Free plan apiLinuxMacself-hostedWeb Free6.2
    Virtuoso Universal Server vs QLever
  16. 16
    OWLGrEd Free plan WebWin Free6.0
    Virtuoso Universal Server vs OWLGrEd
  17. 18
    Progress Semaphore Free trial apiLinuxself-hostedWebWin 5.6
    Virtuoso Universal Server vs Progress Semaphore
  18. 19
    Timbr Free trial apiLinuxself-hostedWeb 5.6
    Virtuoso Universal Server vs Timbr
  19. 20
    d.AP 5.5
    Virtuoso Universal Server vs d.AP
  20. 21
    PoolParty Semantic Suite Web 5.5
    Virtuoso Universal Server vs PoolParty Semantic Suite

Virtuoso Universal Server alternatives compared

#AppScoreFree planFromRuns on
1AllegroGraph6.4Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
2GraphDB6.4Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
3HASH6.4Free plan$1.67/moAPI, Browser, self-hosted, Web
4Neo4j6.4Free plan$65/moself-hosted
5RDFox6.4Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
6LinkedDataHub6.3Free planFreeAPI, Linux, self-hosted, Web
7Mendix6.3Free planFree—
8Protégé6.3Free planFreeLinux, Mac, Web, Windows
9RDF Studio6.3Free planFreeAPI, Linux, Mac, Web, Windows
10Stardog6.3Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
11TerminusDB6.3Free planFreeAPI, Linux, self-hosted, Web
12TypeDB6.3Free plan$0.07/moAPI, Linux, Mac, self-hosted, Web, Windows
13Apache Jena Fuseki6.2Free planFreeAPI, Linux, self-hosted, Web, Windows
14Eclipse RDF4J6.2Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
15QLever6.2Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
16OWLGrEd6.0Free planFreeWeb, Windows
18Progress Semaphore5.6No—API, Linux, self-hosted, Web, Windows
19Timbr5.6No—API, Linux, self-hosted, Web
20d.AP5.5No——
21PoolParty Semantic Suite5.5No—Web
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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 6.4 out of 10. The others here: GraphDB, HASH, Neo4j 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 mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.