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Head-to-head · Knowledge Graph Software

Protégé vs Apache Jena Fuseki

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Protégé #2 in Knowledge Graph Software 9.1/10 Free plan Free plan✓ 4 of 4 features Visit Protégé
Apache Jena Fuseki #4 in Knowledge Graph Software 8.9/10 Open source ✓ 0 of 4 features Visit Fuseki

Protégé leads on 0 checks, Apache Jena Fuseki 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 scoreProtégé · 9.1/10
  • Free planonly Protégé
  • Most featuresProtégé · 4 of 4

Protégé scores higher on our rubric for knowledge graph software: 9.1 against 8.9 out of 10; our editors rank them #2 and #4.

Protégé is the better fit for ontology engineers and collaborative OWL modeling. Apache Jena Fuseki is the better fit for open-source teams building self-hosted RDF services.

  • Protégé fits best

    Ontology engineers and collaborative OWL modeling

  • Apache Jena Fuseki fits best

    Open-source teams building self-hosted RDF services

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 Protégé 9.1/10 Visit ↗ Apache Jena Fuseki 8.9/10 Visit ↗
At a glance
Editor score 9.1 8.9
Ranking #2 in Knowledge Graph Software #4 in Knowledge Graph Software
Best for Ontology engineers and collaborative OWL modeling Open-source teams building self-hosted RDF services
Pricing model Free Free
Starting price Free plan Open source
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Cloud, Desktop Self-hosted
Platforms Web, Windows, macOS, Linux Windows, Linux
Support Community, Docs Community, Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Protégé 4/4 · Apache Jena Fuseki 0/4
Ontology modeling ✓ (best) Not checked yet
Semantic reasoning ✓ (best) Not checked yet
RDF/SPARQL support ✓ (best) Not checked yet
Graph visualization ✓ (best) Not checked yet
Specs
Import formats RDF/XML, Turtle, OWL/XML, OBO Not checked yet
Deployment Both Not checked yet
Query languages SPARQL Not checked yet
Our review
Pros
  • Free and open source across desktop and browser-based workflows
  • Supports OWL 2, RDF, reasoning, visualization, querying, and refactoring
  • Adds collaboration, permissions, revision history, and plug-in extensibility
  • 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
Cons
  • Primarily focused on ontology development rather than operational graph management
  • SPARQL is documented as a plugin for Protégé-OWL 4.2
  • Collaborative WebProtégé workflows differ from local desktop editing
  • Requires a self-hosted deployment model
  • Platform coverage centers on Windows, Linux, and API access
  • Configuration is needed for storage, inference, and access control
Our verdict

Protégé is a free, open-source ontology development environment for researchers, organizations, and governments. It combines Protégé Desktop, which runs locally, with WebProtégé, a browser-based editor for collaborative work without…

Read the review →

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 →
  1. ProtégéKnowledge Graph Software 9.1Free plan
  2. Apache Jena FusekiKnowledge Graph Software 8.9Open source

Strengths and trade-offs

  • Protégé — where it wins

    • Free and open source across desktop and browser-based workflows
    • Supports OWL 2, RDF, reasoning, visualization, querying, and refactoring
    • Adds collaboration, permissions, revision history, and plug-in extensibility

    Where it doesn't

    • Primarily focused on ontology development rather than operational graph management
    • SPARQL is documented as a plugin for Protégé-OWL 4.2
    • Collaborative WebProtégé workflows differ from local desktop editing

  • 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
  • Protégé9.1/10 · Free plan

    A strong free choice for OWL ontology work, with collaboration and reasoning options.

    Visit ProtégéFull verdict →
  • Apache Jena Fuseki8.9/10 · Open source

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

    Visit FusekiFull 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