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Best InfoLibrarian Knowledge Graph Engine Alternatives in 2026

Updated

20 apps from knowledge graph software ranked against InfoLibrarian Knowledge Graph Engine on the same published basis.

  1. 1
    RDFox Free plan apiLinuxMacself-hostedWeb Free6.7
    InfoLibrarian Knowledge Graph Engine vs RDFox
  2. 2
    AllegroGraph Free plan apiLinuxMacself-hostedWeb Free6.6
    InfoLibrarian Knowledge Graph Engine vs AllegroGraph
  3. 3
    Eclipse RDF4J Free plan apiLinuxMacself-hostedWeb Free6.6
    InfoLibrarian Knowledge Graph Engine vs Eclipse RDF4J
  4. 4
    GraphDB Free plan apiLinuxMacself-hostedWeb Free6.6
    InfoLibrarian Knowledge Graph Engine vs GraphDB
  5. 5
    Protégé Free plan LinuxMacWebWin Free6.6
    InfoLibrarian Knowledge Graph Engine vs Protégé
  6. 6
    QLever Free plan apiLinuxMacself-hostedWeb Free6.6
    InfoLibrarian Knowledge Graph Engine vs QLever
  7. 7
    RDF Studio Free plan apiLinuxMacWebWin Free6.6
    InfoLibrarian Knowledge Graph Engine vs RDF Studio
  8. 8
    Stardog Free plan apiLinuxMacself-hostedWeb Free6.6
    InfoLibrarian Knowledge Graph Engine vs Stardog
  9. 9
    TypeDB Free plan apiLinuxMacself-hostedWeb $0.07/mo6.6
    InfoLibrarian Knowledge Graph Engine vs TypeDB
  10. 10
    Apache Jena Fuseki Free plan apiLinuxself-hostedWebWin Free6.5
    InfoLibrarian Knowledge Graph Engine vs Apache Jena Fuseki
  11. 11
    LinkedDataHub Free plan apiLinuxself-hostedWeb Free6.5
    InfoLibrarian Knowledge Graph Engine vs LinkedDataHub
  12. 12
    TerminusDB Free plan apiLinuxself-hostedWeb Free6.5
    InfoLibrarian Knowledge Graph Engine vs TerminusDB
  13. 13
    HASH Free plan apiextensionself-hostedWeb $1.67/mo6.4
    InfoLibrarian Knowledge Graph Engine vs HASH
  14. 14
    Neo4j Free plan self-hosted $65/mo6.4
    InfoLibrarian Knowledge Graph Engine vs Neo4j
  15. 15
    Mendix Free plan Free6.3
    InfoLibrarian Knowledge Graph Engine vs Mendix
  16. 16
    OWLGrEd Free plan WebWin Free6.3
    InfoLibrarian Knowledge Graph Engine vs OWLGrEd
  17. 17
    Virtuoso Universal Server Free trial apiLinuxMacself-hostedWeb 5.6
    InfoLibrarian Knowledge Graph Engine vs Virtuoso Universal Server
  18. 18
    Ontop WinMacLinux 5.4
    InfoLibrarian Knowledge Graph Engine vs Ontop
  19. 19
    PoolParty Semantic Suite Web 5.3
    InfoLibrarian Knowledge Graph Engine vs PoolParty Semantic Suite
  20. 20
    d.AP 5.2
    InfoLibrarian Knowledge Graph Engine vs d.AP

InfoLibrarian Knowledge Graph Engine alternatives compared

#AppScoreFree planFromRuns on
1RDFox6.7Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
2AllegroGraph6.6Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
3Eclipse RDF4J6.6Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
4GraphDB6.6Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
5Protégé6.6Free planFreeLinux, Mac, Web, Windows
6QLever6.6Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
7RDF Studio6.6Free planFreeAPI, Linux, Mac, Web, Windows
8Stardog6.6Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
9TypeDB6.6Free plan$0.07/moAPI, Linux, Mac, self-hosted, Web, Windows
10Apache Jena Fuseki6.5Free planFreeAPI, Linux, self-hosted, Web, Windows
11LinkedDataHub6.5Free planFreeAPI, Linux, self-hosted, Web
12TerminusDB6.5Free planFreeAPI, Linux, self-hosted, Web
13HASH6.4Free plan$1.67/moAPI, Browser, self-hosted, Web
14Neo4j6.4Free plan$65/moself-hosted
15Mendix6.3Free planFree—
16OWLGrEd6.3Free planFreeWeb, Windows
17Virtuoso Universal Server5.6No—API, Linux, Mac, self-hosted, Web, Windows
18Ontop5.4No—Windows, Mac, Linux
19PoolParty Semantic Suite5.3No—Web
20d.AP5.2No——
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Questions about InfoLibrarian Knowledge Graph Engine alternatives

What is the best alternative to InfoLibrarian Knowledge Graph Engine?

RDFox, number 1 in knowledge graph software with a score of 6.7 out of 10. The others here: AllegroGraph, Eclipse RDF4J, GraphDB and 16 more.

What is the best free alternative to InfoLibrarian Knowledge Graph Engine?

RDFox 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 free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.