Side by side

AllegroGraph vs Fluree DB

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

AllegroGraph

Free plan APILinuxSelf-hosted+1

AllegroGraph combines graph querying and reasoning with recovery features, vector support, and multiple deployment options. Its free edition has a stated triple limit, and the security overview points users to third-party tools for encryption at rest.

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Fluree DB

Free plan APILinuxMac+3

Fluree DB combines graph data, ledger-backed history, search, and granular policy controls in a single binary. Review the Business Source License 1.1 and contact Fluree for commercial licensing details.

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The facts

	AllegroGraph	Fluree DB
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	API, Linux, Self-hosted, Web	API, Linux, Mac, Self-hosted, Web, Windows
Lowest paid plan	Free or on request	Free or on request
Plans published	1	3
Maker	Not published	Not published
Website	agraph.franz.com	flur.ee
On rdf databases	#4 of 26	#8 of 26

AllegroGraph: what it does well

Supports SPARQL, RDFS++ reasoning, and Prolog
Includes point-in-time recovery and replication
Supports vector data and LLM integration
Offers LDAP and OAuth/OIDC authentication
Free edition has no expiration

What to know first

Free edition is limited to 5,000,000 triples
Encryption at rest calls for third-party tools
Native server support is x86-64 Linux

Fluree DB: what it does well

Full temporal history is queryable.
Supports full-text and vector search.
Access policies apply at individual-triple granularity.
Static binary needs no JVM or external dependencies.
SDKs are listed for JavaScript/TypeScript, Python, and Java.

What to know first

Commercial licensing requires contacting Fluree.
Enterprise pricing is custom and not listed.
Business Source License 1.1 applies.

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