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Best Protégé Alternatives in 2026

12 apps from knowledge graph software ranked against Protégé on the same published basis.

  1. 1
    GraphDB Free plan apiLinuxMacself-hostedWeb Free8.2
    Protégé vs GraphDB
  2. 2
    AllegroGraph Free plan apiLinuxMacself-hostedWeb Free8.1
    Protégé vs AllegroGraph
  3. 3
    Stardog Free plan apiLinuxMacself-hostedWeb Free8.0
    Protégé vs Stardog
  4. 4
    Eclipse RDF4J Free plan apiLinuxMacself-hostedWeb Free7.8
    Protégé vs Eclipse RDF4J
  5. 5
    Apache Jena Fuseki Free plan apiLinuxself-hostedWebWin Free7.7
    Protégé vs Apache Jena Fuseki
  6. 6
    RDF Studio Free plan apiLinuxMacWebWin Free7.5
    Protégé vs RDF Studio
  7. 7
    RDFox Free plan apiLinuxMacself-hostedWeb Free7.5
    Protégé vs RDFox
  8. 8
    LinkedDataHub Free plan apiLinuxself-hostedWeb Free7.2
    Protégé vs LinkedDataHub
  9. 9
    TerminusDB Free plan apiLinuxself-hostedWeb Free6.9
    Protégé vs TerminusDB
  10. 10
    Ontop WinMacLinux 6.8
    Protégé vs Ontop
  11. 11
    PoolParty Semantic Suite Web 6.8
    Protégé vs PoolParty Semantic Suite
  12. 13
    Neo4j Free plan self-hosted $65/mo6.6
    Protégé vs Neo4j
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