For vendors
AdvertiseTop spots, featured rows, home sponsor Get listedAdd a product we don't cover yet Claim a listingFree: verify the domain, then correct your page Vendor dashboardNumbers, orders and placements
Mobile US PressList your app
Vendor dashboard

Best Ontotext Platform Alternatives in 2026

Updated

20 apps from knowledge graph software ranked against Ontotext Platform on the same published basis.

  1. 1
    GraphDB Free plan apiLinuxMacself-hostedWeb Free8.2
    Ontotext Platform vs GraphDB
  2. 2
    AllegroGraph Free plan apiLinuxMacself-hostedWeb Free8.1
    Ontotext Platform vs AllegroGraph
  3. 3
    Stardog Free plan apiLinuxMacself-hostedWeb Free8.0
    Ontotext Platform vs Stardog
  4. 4
    Eclipse RDF4J Free plan apiLinuxMacself-hostedWeb Free7.8
    Ontotext Platform vs Eclipse RDF4J
  5. 5
    Apache Jena Fuseki Free plan apiLinuxself-hostedWebWin Free7.7
    Ontotext Platform vs Apache Jena Fuseki
  6. 6
    RDF Studio Free plan apiLinuxMacWebWin Free7.5
    Ontotext Platform vs RDF Studio
  7. 7
    RDFox Free plan apiLinuxMacself-hostedWeb Free7.5
    Ontotext Platform vs RDFox
  8. 8
    LinkedDataHub Free plan apiLinuxself-hostedWeb Free7.2
    Ontotext Platform vs LinkedDataHub
  9. 9
    TerminusDB Free plan apiLinuxself-hostedWeb Free6.9
    Ontotext Platform vs TerminusDB
  10. 10
    Ontop WinMacLinux 6.8
    Ontotext Platform vs Ontop
  11. 11
    PoolParty Semantic Suite Web 6.8
    Ontotext Platform vs PoolParty Semantic Suite
  12. 12
    Protégé Free plan LinuxMacWebWin Free6.8
    Ontotext Platform vs Protégé
  13. 13
    Neo4j Free plan self-hosted $65/mo6.6
    Ontotext Platform vs Neo4j
  14. 14
    TypeDB Free plan apiLinuxMacself-hostedWeb $0.07/mo6.5
    Ontotext Platform vs TypeDB
  15. 15
    Mondeca Web 6.4
    Ontotext Platform vs Mondeca
  16. 16
    eccenca Corporate Memory WebLinux 6.3
    Ontotext Platform vs eccenca Corporate Memory
  17. 17
    Progress Semaphore Free trial apiLinuxself-hostedWebWin 6.2
    Ontotext Platform vs Progress Semaphore
  18. 18
    metaphactory Web 6.1
    Ontotext Platform vs metaphactory
  19. 20
    Mendix Free plan Free5.9
    Ontotext Platform vs Mendix
  20. 21
    Oxigraph Web 5.5
    Ontotext Platform vs Oxigraph

Ontotext Platform alternatives compared

#AppScoreFree planFromRuns on
1GraphDB8.2Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
2AllegroGraph8.1Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
3Stardog8.0Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
4Eclipse RDF4J7.8Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
5Apache Jena Fuseki7.7Free planFreeAPI, Linux, self-hosted, Web, Windows
6RDF Studio7.5Free planFreeAPI, Linux, Mac, Web, Windows
7RDFox7.5Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
8LinkedDataHub7.2Free planFreeAPI, Linux, self-hosted, Web
9TerminusDB6.9Free planFreeAPI, Linux, self-hosted, Web
10Ontop6.8No—Windows, Mac, Linux
11PoolParty Semantic Suite6.8No—Web
12Protégé6.8Free planFreeLinux, Mac, Web, Windows
13Neo4j6.6Free plan$65/moself-hosted
14TypeDB6.5Free plan$0.07/moAPI, Linux, Mac, self-hosted, Web, Windows
15Mondeca6.4No—Web
16eccenca Corporate Memory6.3No—Web, Linux
17Progress Semaphore6.2No—API, Linux, self-hosted, Web, Windows
18metaphactory6.1No—Web
20Mendix5.9Free planFree—
21Oxigraph5.5No—Web
Make your app an alternative to Ontotext Platform

The sponsored alternative slot on this page is labelled Sponsored.

See the price

Questions about Ontotext Platform alternatives

What is the best alternative to Ontotext Platform?

GraphDB, number 1 in knowledge graph software with a score of 8.2 out of 10. The others here: AllegroGraph, Stardog, Eclipse RDF4J and 16 more.

What is the best free alternative to Ontotext Platform?

GraphDB is the best-ranked alternative with a free plan. 13 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.