Specifiction
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
List your tool
Vendor dashboard

Best HASH Alternatives in 2026

Updated

20 tools from knowledge graph software ranked against HASH on the same published basis.

  1. 1
    RDFox Free plan apiLinuxMacself-hostedWeb Free7.9
    HASH vs RDFox
  2. 2
    AllegroGraph Free plan apiLinuxMacself-hostedWeb Free7.5
    HASH vs AllegroGraph
  3. 3
    GraphDB Free plan apiLinuxMacself-hostedWeb Free7.5
    HASH vs GraphDB
  4. 4
    RDF Studio Free plan apiLinuxMacWebWin Free7.5
    HASH vs RDF Studio
  5. 5
    Stardog Free plan apiLinuxMacself-hostedWeb Free7.4
    HASH vs Stardog
  6. 6
    TypeDB Free plan apiLinuxMacself-hostedWeb $0.07/mo7.4
    HASH vs TypeDB
  7. 7
    Neo4j Free plan self-hosted $65/mo7.3
    HASH vs Neo4j
  8. 8
    Protégé Free plan LinuxMacWebWin Free7.3
    HASH vs Protégé
  9. 9
    Virtuoso Universal Server Free trial apiLinuxMacself-hostedWeb 7.3
    HASH vs Virtuoso Universal Server
  10. 10
    Apache Jena Fuseki Free plan apiLinuxself-hostedWebWin Free7.1
    HASH vs Apache Jena Fuseki
  11. 11
    Eclipse RDF4J Free plan apiLinuxMacself-hostedWeb Free7.1
    HASH vs Eclipse RDF4J
  12. 12
    LinkedDataHub Free plan apiLinuxself-hostedWeb Free7.1
    HASH vs LinkedDataHub
  13. 13
    Progress Semaphore Free trial apiLinuxself-hostedWebWin 7.1
    HASH vs Progress Semaphore
  14. 14
    TerminusDB Free plan apiLinuxself-hostedWeb Free7.1
    HASH vs TerminusDB
  15. 15
    Timbr Free trial apiLinuxself-hostedWeb 6.9
    HASH vs Timbr
  16. 16
    Mendix Free plan Free6.7
    HASH vs Mendix
  17. 17
    OWLGrEd Free plan WebWin Free6.5
    HASH vs OWLGrEd
  18. 18
    Ontop WinMacLinux 6.3
    HASH vs Ontop
  19. 20
    PoolParty Semantic Suite Web 6.1
    HASH vs PoolParty Semantic Suite
  20. 21
    Mondeca Web 6.0
    HASH vs Mondeca

HASH alternatives compared

#ToolScoreFree planFromRuns on
1RDFox7.9Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
2AllegroGraph7.5Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
3GraphDB7.5Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
4RDF Studio7.5Free planFreeAPI, Linux, Mac, Web, Windows
5Stardog7.4Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
6TypeDB7.4Free plan$0.07/moAPI, Linux, Mac, self-hosted, Web, Windows
7Neo4j7.3Free plan$65/moself-hosted
8Protégé7.3Free planFreeLinux, Mac, Web, Windows
9Virtuoso Universal Server7.3No—API, Linux, Mac, self-hosted, Web, Windows
10Apache Jena Fuseki7.1Free planFreeAPI, Linux, self-hosted, Web, Windows
11Eclipse RDF4J7.1Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
12LinkedDataHub7.1Free planFreeAPI, Linux, self-hosted, Web
13Progress Semaphore7.1No—API, Linux, self-hosted, Web, Windows
14TerminusDB7.1Free planFreeAPI, Linux, self-hosted, Web
15Timbr6.9No—API, Linux, self-hosted, Web
16Mendix6.7Free planFree—
17OWLGrEd6.5Free planFreeWeb, Windows
18Ontop6.3No—Windows, Mac, Linux
20PoolParty Semantic Suite6.1No—Web
21Mondeca6.0No—Web
Make your tool an alternative to HASH

The sponsored alternative slot on this page is labelled Sponsored.

See the price

Questions about HASH alternatives

What is the best alternative to HASH?

RDFox, number 1 in knowledge graph software with a score of 7.9 out of 10. The others here: AllegroGraph, GraphDB, RDF Studio and 16 more.

What is the best free alternative to HASH?

RDFox is the best-ranked alternative with a free plan. 14 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, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.