AllegroGraph

AllegroGraph is ranked #10 of 37 in graph databases on The Geeks Club. It runs on API, Linux, macOS, Self-hosted, Web, Windows. There is a free plan.

AllegroGraph plans and pricing

All plans

Free Free Up to 5 Million Triples allegrograph.com · 28 Sept 2026

Enterprise Not published Customized quote; hourly marketplace pricing Unlimited; no server limit allegrograph.com · 28 Sept 2026

Compared on graph databases

Free plan: Yes
Query languages: SPARQL, Prolog

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AllegroGraph

Product: AllegroGraph is a horizontally scalable semantic graph database for building Knowledge Graphs and integrating complex data.
Neuro-symbolic AI: The platform combines Knowledge Graphs, vector storage, symbolic reasoning, and LLM integration.
GraphTalker: GraphTalker lets users ask natural-language questions of Knowledge Graphs and returns verified answers through an iterative agent-driven process.
Standards and reasoning: The product page lists RDF, OWL, SPARQL, SHACL, Prolog rules, and reasoning among its supported technologies.
Scalability: FedShard provides horizontal sharding and federation, combining query results from multiple machines.
Analytics: The product supports geospatial, temporal, and social-network analytics.
Integrations: The product page lists Solr and MongoDB integration and REST-based clients for Java, Python, RDF4J, Apache Jena, and Lisp.
Free edition limit: The Free edition is limited to up to 5 million triples; Enterprise lists unlimited triples and no server limit.
Security: The editions comparison lists triple-level security, encryption in transit and at rest, encrypted backups, role-based access control, IP allowlists, and audit logs.
Company compliance: Franz Inc. states that it is SOC 2 certified and follows ISO/IEC 12207 where applicable to software development processes.
Deployment: AllegroGraph is offered for download or cloud hosting, including AWS Marketplace and Azure Marketplace options.
Native operating system: AllegroGraph Server runs natively on Linux x86-64; the documentation recommends a Linux virtual machine or Docker container for Windows or macOS.
Support: Franz provides technical support by email and says its support team averages 20 years of experience with Franz and over 20 years in the software industry.
Intended users: The maker identifies use cases including Neuro-Symbolic AI, pharma discovery, healthcare, Customer 360, supply-chain logistics, Knowledge Graphs, and Data Fabric.
Price from: Free

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Where it ranks on The Geeks Club

Best Graph Databases in 2026#10 of 37
Best Knowledge Graph Software in 2026#3 of 33

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Sources

allegrograph.com/about-franz/· checked 28 Sept 2026
allegrograph.com/products/allegrograph/· checked 28 Sept 2026
allegrograph.com/allegrograph-editions/· checked 28 Sept 2026
allegrograph.com/ag-versions/· checked 28 Sept 2026
allegrograph.com/downloads/· checked 28 Sept 2026
gruff.allegrograph.com/doc/virtual-machine.html· checked 28 Sept 2026
allegrograph.com/support/· checked 28 Sept 2026
allegrograph.com/products/· checked 28 Sept 2026
allegrograph.com/purchase/· checked 28 Sept 2026