Instead of AllegroGraph
AllegroGraph alternatives
AllegroGraph is a horizontally scalable semantic graph database for building Knowledge Graphs and connecting complex data. It combines RDF, OWL, SPARQL, SHACL, Prolog rules, symbolic reasoning, vector storage and LLM integration. GraphTalker answers natural-language questions with verified results, while FedShard handles horizontal sharding and federation. Geospatial, temporal and social-network analytics, Solr and MongoDB integration, and REST clients extend its scope. The Free plan costs nothing and allows up to 5 million triples; Enterprise pricing is a customized quote with unlimited triples and no server limit.
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LadybugDB
Free plan AndroidAPIiPhone+5Embedded analytical graphs and agentic applications — LadybugDB uses an embedded columnar property-graph engine with Cypher instead of AllegroGraph’s semantic RDF and SPARQL model.
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Sparksee
Free plan AndroidAPIiPhone+4Embedded graph analytics on mobile and edge devices — Sparksee is an embeddable file-based database with bitmap graph representations and built-in traversal, path and community algorithms.
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Apache HugeGraph
Free plan APILinuxMac+2Open-source graph computing and GraphRAG — Apache HugeGraph combines graph database, graph computing and Graph AI, with Gremlin, Cypher, REST and Hubble visualization.
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GraphDB
Free plan APILinuxMac+3RDF reasoning with GraphRAG and enterprise connectors — GraphDB provides RDF and SPARQL storage with forward-chaining reasoning, native GraphRAG, LangChain and enterprise search connectors.
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Memgraph
Free plan APILinuxMac+3Streaming graph computations with Cypher — Memgraph centers on an in-memory graph platform for streaming data, with Kafka, Pulsar, Redpanda and 60-plus MAGE algorithms.
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NebulaGraph
Free plan Open source APILinuxMac+3Very large distributed graphs and millisecond queries — NebulaGraph targets trillions of edges and vertices with distributed deployment, native vector search and nGQL or openCypher.
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Eclipse RDF4J
Free plan Open source APILinuxMac+3 - 9
Cayley
Free plan APILinuxMac+2 - 10
CognoDB
Free plan APISelf-hostedWeb - 11
FalkorDB
Free plan APILinuxSelf-hosted+1 - 12
InfiniteGraph
Free plan APILinuxSelf-hosted+1 - 13
GUN
Free plan AndroidAPIiPhone+5 - 14
JanusGraph
Free plan APILinuxSelf-hosted - 15
OrientDB
Free plan APILinuxMac+3 - 16
Quine
Free plan APILinuxSelf-hosted+1 - 17
TerminusDB
Free plan APILinuxSelf-hosted+1 - 18
TigerGraph
Free plan APILinuxSelf-hosted+1 - 19
TuGraph
Free plan APILinuxSelf-hosted+1 - 20
TuringDB
Free plan APILinuxSelf-hosted+1 - 21
HyperGraphDB
Free plan LinuxSelf-hostedWindows - 22
TypeDB
Free plan APILinuxMac+3 - 23
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ONgDB
Free plan LinuxMacWeb+1
Readers may prefer another product for an embedded engine, a property-graph model, broader multi-model storage, streaming workloads or different deployment requirements. AllegroGraph Server runs natively on Linux x86-64, with a Linux virtual machine or Docker recommended on Windows and macOS. When switching, compare query languages, storage model, scale, analytics, integrations, transactions, security and operating environments. Check whether a product’s free allowance, trial or paid terms fit your data volume and deployment plan better than AllegroGraph’s edition structure.