Side by side

ArcadeDB vs Eclipse RDF4J

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

ArcadeDB

Free plan Open source APILinuxMac+3

ArcadeDB brings several data models and query options into one database, with a free full-featured Community offering. Paid subscriptions are for support, with coverage depending on the selected plan.

Visit ArcadeDB

Eclipse RDF4J

Free plan Open source APILinuxMac+3

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

	ArcadeDB	Eclipse RDF4J
Free plan	Yes	Yes
Open source	Yes	Yes
Runs on	API, Linux, Mac, Self-hosted, Web, Windows	API, Linux, Mac, Self-hosted, Web, Windows
Lowest paid plan	Studio AI Assistant: $19.99 per license a month	Free or on request
Plans published	5	1
Maker	ArcadeDB	Not published
Website	arcadedb.com	rdf4j.org
On graph databases	#1 of 39	#2 of 39

ArcadeDB: what it does well

Full database is free under Apache 2.0.
Supports ACID transactions in single-node and distributed deployments.
Offers multiple query languages and a native Java API.
Includes importers for Neo4j and OrientDB.
Supports Docker, Maven, and Kubernetes installation.

What to know first

Paid support starts at $299 a month per server.
Support response targets and coverage vary by plan.

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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