GraphDB

GraphDB is ranked #4 of 37 in graph databases on Freedom251. It runs on API, Linux, macOS, Self-hosted, Web, Windows. There is a free plan.

GraphDB plans and pricing

All plans

GraphDB Free Free Free to use; GraphDB 11+ requires a free license Lucene connector · one query in parallel · five repositories · on-premise only · community support graphdb.ontotext.com · 29 Sept 2026

GraphDB Enterprise Not published License offered per server CPU core; contact sales for pricing Multiple cores · unlimited repositories · connectors for Elasticsearch, OpenSearch, Solr and Kafka · high-availability cluster · SLA support graphdb.ontotext.com · 29 Sept 2026

Compared on graph databases

Free plan: Yes

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GraphDB

Product: GraphDB is an RDF and SPARQL semantic graph database used for storage and inferencing in the Graphwise AI Platform.
Reasoning: GraphDB performs real-time forward-chaining reasoning across datasets.
AI features: The product page describes native GraphRAG and LangChain integration.
Core standards: GraphDB supports full SPARQL 1.1, RDF4J compatibility, and rulesets for RDFS and OWL 2 RL and QL.
Connectors: GraphDB Enterprise includes Elasticsearch, OpenSearch, Solr, and Kafka connectors; GraphDB Free includes Lucene.
Deployment: GraphDB can run as a desktop or standalone server application and is also available on AWS and Azure.
Downloads: The product download page lists Windows MSI, macOS Apple Silicon and Intel DMG, Linux RPM and DEB, and a platform-independent distribution.
Security: GraphDB documents role and access controls, local, LDAP and OAuth user databases, Basic, GDB, OpenID and Kerberos authentication, SSL/TLS encryption in transit, and security auditing.
Edition limits: GraphDB Free is limited to one parallel query and five repositories; Enterprise supports multiple cores and unlimited repositories.
Enterprise licensing: Enterprise licensing is per server CPU core, and each cluster node must be licensed separately.
Support: The edition comparison lists community support for Free and SLA support for Enterprise.
Intended users: The maker describes GraphDB as built for mission-critical deployments and enterprise AI applications.
Company history: Ontotext says it started as an R&D lab within Sirma Group in 2000.
Headquarters: Sofia, Bulgaria
Price from: Free

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Where it ranks on Freedom251

Best Graph Databases in 2026#4 of 37
Best RDF Databases in 2026#4 of 26

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Sources

graphdb.ontotext.com· checked 29 Sept 2026
graphdb.ontotext.com/documentation/11.0/licensing.html· checked 29 Sept 2026
graphdb.ontotext.com/documentation/11.1/how-to-install-graph· checked 29 Sept 2026
graphwise.ai/components/graphdb/· checked 29 Sept 2026
graphdb.ontotext.com/documentation/11.5/security.html· checked 29 Sept 2026
ontotext.com/about-us/· checked 29 Sept 2026