Skip to content
SPECIFICTION
Get listed

Developer Tools

Best RDF Databases in 2026

RDF databases can be compared by how they handle the formats, queries, and reasoning your data work requires. Look at supported RDF formats and SPARQL support, then weigh federated queries, reasoning support, and RDF-star support against your intended workload.

  1. 01 Apache Jena Fuseki

    Fuseki suits semantic web and linked-data applications that need a self-hosted SPARQL server.

    Free plan Open source Web · Windows · Linux · API
    9.1 Visit Specs
  2. 02 Eclipse RDF4J

    RDF4J suits Java developers building applications with RDF, Linked Data, SPARQL endpoints, or Semantic Web data.

    Free plan Open source Web · Windows · macOS · Linux
    8.8 Visit Specs
  3. 03 RDFox

    RDFox suits teams building or operating RDF knowledge graphs that need SPARQL querying, rule-based reasoning and deployment flexibility.

    Free plan Web · Windows · macOS · Linux
    8.5 Visit Specs
  4. 04 Stardog
    Free plan Web · Windows · macOS · Linux
    8.4 Visit Specs
  5. 05 Virtuoso Universal Server

    Virtuoso suits teams that need to query or connect varied data models and sources through one server.

    From $8.33/mo Free trial Open source Web · Windows · macOS · Linux
    8.4 Visit Specs
  6. 06 AllegroGraph

    AllegroGraph suits developers and organizations working with graph, RDF, or vector data who need reasoning, transaction recovery, and multiple deployment options.

    Free plan Web · Linux · API · Self-hosted
    8.3 Visit Specs
  7. 07 Apache Rya
    Free plan Web · API · Self-hosted
    8.1 Visit Specs
  8. 08 Fluree DB

    Fluree DB suits developers and organizations working with linked data, temporal records, or access policies at the individual-triple level.

    Free plan Web · Windows · macOS · Linux
    8.1 Visit Specs
  9. 09 GraphDB

    GraphDB suits teams building semantic data applications that need RDF storage, SPARQL querying, or reasoning.

    Free plan Web · Windows · macOS · Linux
    8.1 Visit Specs
  10. 10 RedStore

    It suits developers and teams needing free RDF storage on Linux, macOS, or a self-hosted server.

    Free plan macOS · Linux · API · Self-hosted
    8.1 Visit Specs
  11. 11 Dydra

    Dydra suits developers working with RDF, SPARQL and relationship-heavy datasets.

    Free plan Web · API · Self-hosted
    8.0 Visit Specs
  12. 12 QLever

    QLever suits developers and data teams working with large RDF datasets and SPARQL queries.

    Free plan Web · Windows · macOS · Linux
    7.9 Visit Specs
  13. 13 BrightstarDB
    Windows · macOS · Linux · iOS
    7.7 Visit Specs
  14. 14 eccenca Corporate Memory
    Web · Linux · API · Self-hosted
    7.7 Visit Specs
  15. 15 Halyard
    Web · macOS · Linux · API
    7.7 Visit Specs
  16. 16 Parliament
    Free plan Windows · macOS · Linux · Self-hosted
    7.7 Visit Specs
  17. 17 Corese

    Corese suits developers integrating its Java library into Java projects, as well as users managing knowledge graphs in complex environments.

    Web · Windows · macOS · Linux
    7.6 Visit Specs
  18. 18 gStore
    Linux · API · Self-hosted
    7.5 Visit Specs
  19. 19 Tentris

    Tentris suits developers, students, and researchers working with RDF knowledge graphs, as well as teams building GraphRAG or semantic applications.

    Free plan Web · macOS · Linux · Self-hosted
    7.5 Visit Specs
  20. 20 Mulgara

    Mulgara suits teams needing self-hosted RDF storage, semantic queries, and server-side deployment across Linux, macOS, Windows, or web environments.

    Web · Windows · macOS · Linux
    7.4 Visit Specs
  21. 21 qEndpoint

    qEndpoint suits developers and administrators running RDF data services themselves on Linux, macOS, Windows, or Docker.

    Web · Windows · macOS · Linux
    7.4 Visit Specs
  22. 22 sparq
    Windows · macOS · Linux · API
    7.4 Visit Specs
  23. 23 Quadstore
    Web · Linux · API · Self-hosted
    7.1 Visit Specs
  24. 24 TriplyDB
    Web · API · Self-hosted
    7.0 Visit Specs
  25. 25 Trigo
    Web · Windows · macOS · Linux
    6.8 Visit Specs
How this list is ordered. Specifiction scores each tool on how fully its maker documents it, whether its prices are published, where the research puts it, the platforms it runs on and whether it can be tried for free (how we rank). Makers can also buy a numbered place (how Specifiction is paid for).

Deployment options help frame infrastructure fit, while free-plan availability and paid-from pricing provide cost details to consider. RDFox, Tentris, and Fluree DB are among the entries, as are GraphDB and Stardog. Use these criteria to identify the capabilities that matter for your application and deployment environment, rather than assuming every database will suit the same RDF use case.

Compare Apache Jena Fuseki and Eclipse RDF4J Get a place on this list

More in Developer ToolsThe whole topic →