Side by side

Apache Jena Fuseki vs Eclipse RDF4J

Both stand on knowledge graph software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Apache Jena Fuseki

Free plan Open source APILinuxSelf-hosted+2

Apache Jena Fuseki combines SPARQL protocols with several deployment modes and TDB storage. Check the graph-level access-control limit and default endpoint exposure when planning a deployment.

Visit Apache Jena Fuseki

RDF4J brings RDF storage, querying and reasoning tools together in a Java framework, with several storage options and a broad format list. Check its Java requirement and dataset guidance against your project before choosing it.

Visit Eclipse RDF4J

The facts

	Apache Jena Fuseki	Eclipse RDF4J
Free plan	Yes	Yes
Open source	Yes	Yes
Runs on	API, Linux, Self-hosted, Web, Windows	API, Linux, Mac, Self-hosted, Web, Windows
Lowest paid plan	Free or on request	Free or on request
Plans published	2	1
Maker	Not published	Not published
Website	jena.apache.org	rdf4j.org
On knowledge graph software	#1 of 33	#2 of 33

Apache Jena Fuseki: what it does well

Supports SPARQL 1.1 query and update protocols.
Integrates TDB for transactional persistent storage.
Can run standalone, embedded, or as a web application.
Offers native HTTPS and layered access controls.
Free under Apache License 2.0.

What to know first

Graph-level access control is limited to read-only datasets.
Default setup leaves SPARQL endpoints open.
Container databases need mounted volumes to persist.

Eclipse RDF4J: what it does well

SPARQL 1.1 query and update support.
Reads and writes a range of RDF formats.
Offers transactional in-memory and Native Store options.
Extensions add reasoning, validation and geospatial queries.
Workbench includes a web-based SPARQL editor.

What to know first

Latest stable release requires Java 25 or newer.
Core databases target small to medium-sized datasets.

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