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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
    AllegroGraph Free plan apiLinuxMacself-hostedWeb Free7.3
    InfoLibrarian Knowledge Graph Engine vs AllegroGraph
  2. 2
    GraphDB Free plan apiLinuxMacself-hostedWeb Free7.3
    InfoLibrarian Knowledge Graph Engine vs GraphDB
  3. 3
    Protégé Free plan LinuxMacWebWin Free7.3
    InfoLibrarian Knowledge Graph Engine vs Protégé
  4. 4
    RDF Studio Free plan apiLinuxMacWebWin Free7.3
    InfoLibrarian Knowledge Graph Engine vs RDF Studio
  5. 5
    RDFox Free plan apiLinuxMacself-hostedWeb Free7.3
    InfoLibrarian Knowledge Graph Engine vs RDFox
  6. 6
    Stardog Free plan apiLinuxMacself-hostedWeb Free7.2
    InfoLibrarian Knowledge Graph Engine vs Stardog
  7. 7
    TypeDB Free plan apiLinuxMacself-hostedWeb $0.07/mo7.2
    InfoLibrarian Knowledge Graph Engine vs TypeDB
  8. 8
    Eclipse RDF4J Free plan apiLinuxMacself-hostedWeb Free7.1
    InfoLibrarian Knowledge Graph Engine vs Eclipse RDF4J
  9. 9
    QLever Free plan apiLinuxMacself-hostedWeb Free7.1
    InfoLibrarian Knowledge Graph Engine vs QLever
  10. 10
    Apache Jena Fuseki Free plan apiLinuxself-hostedWebWin Free7.0
    InfoLibrarian Knowledge Graph Engine vs Apache Jena Fuseki
  11. 11
    HASH Free plan apiextensionself-hostedWeb $1.67/mo7.0
    InfoLibrarian Knowledge Graph Engine vs HASH
  12. 12
    LinkedDataHub Free plan apiLinuxself-hostedWeb Free7.0
    InfoLibrarian Knowledge Graph Engine vs LinkedDataHub
  13. 13
    TerminusDB Free plan apiLinuxself-hostedWeb Free7.0
    InfoLibrarian Knowledge Graph Engine vs TerminusDB
  14. 14
    Neo4j Free plan self-hosted $65/mo6.9
    InfoLibrarian Knowledge Graph Engine vs Neo4j
  15. 15
    Mendix Free plan Free6.7
    InfoLibrarian Knowledge Graph Engine vs Mendix
  16. 16
    Virtuoso Universal Server Free trial apiLinuxMacself-hostedWeb 6.6
    InfoLibrarian Knowledge Graph Engine vs Virtuoso Universal Server
  17. 17
    OWLGrEd Free plan WebWin Free6.5
    InfoLibrarian Knowledge Graph Engine vs OWLGrEd
  18. 18
    Progress Semaphore Free trial apiLinuxself-hostedWebWin 6.4
    InfoLibrarian Knowledge Graph Engine vs Progress Semaphore
  19. 19
    Ontotext Platform apiLinuxself-hostedWeb 6.2
    InfoLibrarian Knowledge Graph Engine vs Ontotext Platform
  20. 20
    Timbr Free trial apiLinuxself-hostedWeb 6.2
    InfoLibrarian Knowledge Graph Engine vs Timbr

InfoLibrarian Knowledge Graph Engine alternatives compared

#AppScoreFree planFromRuns on
1AllegroGraph7.3Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
2GraphDB7.3Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
3Protégé7.3Free planFreeLinux, Mac, Web, Windows
4RDF Studio7.3Free planFreeAPI, Linux, Mac, Web, Windows
5RDFox7.3Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
6Stardog7.2Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
7TypeDB7.2Free plan$0.07/moAPI, Linux, Mac, self-hosted, Web, Windows
8Eclipse RDF4J7.1Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
9QLever7.1Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
10Apache Jena Fuseki7.0Free planFreeAPI, Linux, self-hosted, Web, Windows
11HASH7.0Free plan$1.67/moAPI, Browser, self-hosted, Web
12LinkedDataHub7.0Free planFreeAPI, Linux, self-hosted, Web
13TerminusDB7.0Free planFreeAPI, Linux, self-hosted, Web
14Neo4j6.9Free plan$65/moself-hosted
15Mendix6.7Free planFree—
16Virtuoso Universal Server6.6No—API, Linux, Mac, self-hosted, Web, Windows
17OWLGrEd6.5Free planFreeWeb, Windows
18Progress Semaphore6.4No—API, Linux, self-hosted, Web, Windows
19Ontotext Platform6.2No—API, Linux, self-hosted, Web
20Timbr6.2No—API, Linux, self-hosted, Web
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Questions about InfoLibrarian Knowledge Graph Engine alternatives

What is the best alternative to InfoLibrarian Knowledge Graph Engine?

AllegroGraph, number 1 in knowledge graph software with a score of 7.3 out of 10. The others here: GraphDB, Protégé, RDF Studio and 16 more.

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

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: documentation depth, a free tier and the platforms it runs on.