Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · Knowledge Graph Software

Apache Jena Fuseki vs AllegroGraph

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Apache Jena Fuseki #4 in Knowledge Graph Software 8.9/10 Open source ✓ 0 of 4 features Visit Fuseki
AllegroGraph #6 in Knowledge Graph Software 8.6/10 Free plan Free plan✓ 4 of 4 features Visit AllegroGraph

Apache Jena Fuseki leads on 0 checks, AllegroGraph on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreApache Jena Fuseki · 8.9/10
  • Free planonly AllegroGraph
  • Most featuresAllegroGraph · 4 of 4

Apache Jena Fuseki scores higher on our rubric for knowledge graph software: 8.9 against 8.6 out of 10; our editors rank them #4 and #6.

Apache Jena Fuseki is the better fit for open-source teams building self-hosted RDF services. AllegroGraph is the better fit for enterprise semantic graphs with advanced operations.

  • Apache Jena Fuseki fits best

    Open-source teams building self-hosted RDF services

  • AllegroGraph fits best

    Enterprise semantic graphs with advanced operations

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Apache Jena Fuseki 8.9/10 Visit ↗ AllegroGraph 8.6/10 Visit ↗
At a glance
Editor score 8.9 8.6
Ranking #4 in Knowledge Graph Software #6 in Knowledge Graph Software
Best for Open-source teams building self-hosted RDF services Enterprise semantic graphs with advanced operations
Pricing model Free Free plan + paid
Starting price Open source —
Free plan Not checked yet ✓ (best)
Free trial — —
Deployment Self-hosted Cloud, Self-hosted
Platforms Windows, Linux Web, Windows, macOS, Linux
Support Community, Docs Email, Docs
Built for Solo, Small business, Mid-market, Enterprise Mid-market, Enterprise
Features Apache Jena Fuseki 0/4 · AllegroGraph 4/4
Ontology modeling Not checked yet ✓ (best)
Semantic reasoning Not checked yet ✓ (best)
RDF/SPARQL support Not checked yet ✓ (best)
Graph visualization Not checked yet ✓ (best)
Specs
Import formats Not checked yet JSON-LD, N-Quads, N-Triples, Extended N-Quads, RDF/XML, TriG, TriX, Turtle, JSON, JSONLines, CSV
Deployment Not checked yet Both
Query languages Not checked yet SPARQL, Prolog
Our review
Pros
  • Supports SPARQL 1.1, RDF-star, federation, and multiple inference options
  • Offers standalone, service, web application, embedded, and Docker deployment
  • Includes dataset, endpoint, graph, and server access control
  • Free plan supports up to 5 million triples without expiration
  • Combines SPARQL, Prolog, RDF storage, and semantic reasoning
  • Supports sharding, federation, replication, and cloud or on-premises deployment
Cons
  • Requires a self-hosted deployment model
  • Platform coverage centers on Windows, Linux, and API access
  • Configuration is needed for storage, inference, and access control
  • Enterprise pricing is quote-based
  • Advanced capabilities may exceed the needs of smaller graph projects
  • The Free plan is limited to 5 million triples
Our verdict

Apache Jena Fuseki is an open-source SPARQL server for publishing, querying, and updating RDF datasets over HTTP. It is aimed at teams building self-hosted RDF services that need standards-based query and update protocols, persistent or…

Read the review →

AllegroGraph is a semantic graph database for organizations building knowledge graphs, data fabrics, and AI applications. It stores RDF, graph, vector, document, and temporal data, with support for SPARQL, OWL reasoning, SHACL, rules, and…

Read the review →
  1. Apache Jena FusekiKnowledge Graph Software 8.9Open source
  2. AllegroGraphKnowledge Graph Software 8.6Free plan

Strengths and trade-offs

  • Apache Jena Fuseki — where it wins

    • Supports SPARQL 1.1, RDF-star, federation, and multiple inference options
    • Offers standalone, service, web application, embedded, and Docker deployment
    • Includes dataset, endpoint, graph, and server access control

    Where it doesn't

    • Requires a self-hosted deployment model
    • Platform coverage centers on Windows, Linux, and API access
    • Configuration is needed for storage, inference, and access control

  • AllegroGraph — where it wins

    • Free plan supports up to 5 million triples without expiration
    • Combines SPARQL, Prolog, RDF storage, and semantic reasoning
    • Supports sharding, federation, replication, and cloud or on-premises deployment

    Where it doesn't

    • Enterprise pricing is quote-based
    • Advanced capabilities may exceed the needs of smaller graph projects
    • The Free plan is limited to 5 million triples
  • Apache Jena Fuseki8.9/10 · Open source

    An open-source RDF server with strong SPARQL, inference, federation, and deployment options.

    Visit FusekiFull verdict →
  • AllegroGraph8.6/10 · Free plan

    A mature graph database combining semantic reasoning, operations, visualization, and AI features.

    Visit AllegroGraphFull verdict →

More comparisons

All knowledge graph software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update