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Head-to-head · Knowledge Graph Software

Neo4j vs Protégé

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Neo4j #1 in Knowledge Graph Software 9.3/10 Free plan · 14-day trial Free planFree trial✓ 0 of 4 features Visit Neo4j
Protégé #2 in Knowledge Graph Software 9.1/10 Free plan Free plan✓ 4 of 4 features Visit Protégé

Neo4j leads on 0 checks, Protégé 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 scoreNeo4j · 9.3/10
  • Free planboth
  • Free trialonly Neo4j
  • Most featuresProtégé · 4 of 4

Neo4j scores higher on our rubric for knowledge graph software: 9.3 against 9.1 out of 10; our editors rank them #1 and #2.

Neo4j is the better fit for property-graph applications with strong developer tooling. Protégé is the better fit for ontology engineers and collaborative OWL modeling.

  • Neo4j fits best

    Property-graph applications with strong developer tooling

  • Protégé fits best

    Ontology engineers and collaborative OWL modeling

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 Neo4j 9.3/10 Visit ↗ Protégé 9.1/10 Visit ↗
At a glance
Editor score 9.3 9.1
Ranking #1 in Knowledge Graph Software #2 in Knowledge Graph Software
Best for Property-graph applications with strong developer tooling Ontology engineers and collaborative OWL modeling
Pricing model Free plan + paid Free
Starting price — Free plan
Free plan ✓ ✓
Free trial 14 days —
Deployment Cloud, Self-hosted Cloud, Desktop
Platforms Web, Windows, macOS, Linux Web, Windows, macOS, Linux
Support Tickets, Live chat, Community, Docs Community, Docs
Built for Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Neo4j 0/4 · Protégé 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 RDF/XML, Turtle, OWL/XML, OBO
Deployment Not checked yet Both
Query languages Cypher, GQL SPARQL
Our review
Pros
  • Native nodes, relationships, properties, and Cypher queries
  • ACID transactions, clustering, failover, and horizontal scaling
  • Graph algorithms, vector search, connectors, and official libraries
  • 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
Cons
  • Professional starts at $65 per GB per month
  • Business Critical requires a minimum 2GB cluster
  • Native property-graph focus may not suit RDF-first projects
  • 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
Our verdict

Neo4j is a native property graph database for developers, data scientists, and organizations working with connected data. It stores nodes, relationships, and properties, then exposes them through the Cypher declarative query language.…

Read the review →

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 →
  1. Neo4jKnowledge Graph Software 9.3Free plan · 14-day trial
  2. ProtégéKnowledge Graph Software 9.1Free plan

Strengths and trade-offs

  • Neo4j — where it wins

    • Native nodes, relationships, properties, and Cypher queries
    • ACID transactions, clustering, failover, and horizontal scaling
    • Graph algorithms, vector search, connectors, and official libraries

    Where it doesn't

    • Professional starts at $65 per GB per month
    • Business Critical requires a minimum 2GB cluster
    • Native property-graph focus may not suit RDF-first projects

  • 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
  • Neo4j9.3/10 · Free plan · 14-day trial

    A developer-focused property graph with broad tooling, cloud options, and AI-ready search.

    Visit Neo4jFull verdict →
  • Protégé9.1/10 · Free plan

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

    Visit ProtégéFull 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