Alternatives to BrightstarDB
RDFox is a main-memory data store for centralized RDF graphs, queried with SPARQL 1.1.
Stardog connects enterprise data through a semantic layer for AI, analytics, search, and applications.
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Eclipse RDF4J
Eclipse RDF4J is an open-source Java framework for parsing, storing, querying, and reasoning over RDF data.
Free planOpen sourceWebAPILinuxmacOS7.6Free plan - 5
Apache Jena Fuseki
Apache Jena Fuseki is a SPARQL server for standalone use or embedding in an application.
Free planOpen sourceWebAPILinuxSelf-hosted7.5Free plan - 6

GraphDB
GraphDB is an RDF and SPARQL semantic graph database for storing data and running inferencing in the Graphwise AI Platform.
Free planWebAPILinuxmacOS6.6Free plan - 7

Fluree DB
Fluree DB is a graph database built on RDF triples, combining temporal history, verifiable transactions, search, and fine-grained access controls in a single binary.
Free planWebAPILinuxmacOS6.5Free plan - 8
QLever
QLever is an open-source graph database for loading and querying large RDF datasets.
Free planWebAPILinuxmacOS6.5Free plan - 9
RedStore
RedStore is a free, self-hosted RDF triplestore written in C with the Redland library.
Free planAPILinuxmacOSSelf-hosted6.5Free plan - 10
Tentris
Tentris is a database for storing and querying RDF knowledge graphs, with support for SPARQL 1.1.
Free planWebLinuxmacOSSelf-hosted6.3Free plan - 11

AllegroGraph
AllegroGraph is a persistent graph database designed for large graph datasets, using disk-based storage and efficient memory utilization.
Free planWebAPILinuxSelf-hosted6.2Free plan - 12
Dydra
Dydra is a cloud-based graph database for information built around relationships, such as social networks, movie connections and transaction logs.
Free planWebAPISelf-hosted6.1Free plan - 13
Mulgara
Mulgara is an open-source semantic store for metadata and the relationships between it.
WebAPILinuxmacOS6.1 - 14
qEndpoint
qEndpoint is a free, open-source RDF triple store for hosting and querying RDF data.
WebAPILinuxmacOS6.1 - 15
Apache Rya
Apache Rya is a free, open-source RDF triple store for scalable storage, retrieval, and analysis of RDF data.
Free planWebAPISelf-hosted6.0Free plan - 16
Parliament
Parliament is a triple store and reasoner for Semantic Web data, with support for RDF, OWL, and SPARQL standards.
Free planLinuxmacOSSelf-hostedWindows6.0Free plan - 17
Corese
Corese is a free platform for creating, manipulating, querying, reasoning over, and validating RDF data and knowledge graphs.
WebAPILinuxmacOS5.9 - 18
Trigo
Trigo is a free, open-source RDF triplestore and SPARQL query engine written in Go.
WebAPILinuxmacOS5.9 - 19
Halyard
Halyard is a free, open-source RDF store for large semantic data models, with named graph support and SPARQL 1.1 querying of Linked Data snapshots.
WebAPILinuxmacOS5.8 - 20
sparq
sparq is an experimental, pre-1.0 RDF triplestore and SPARQL engine written in Rust.
APILinuxmacOSSelf-hosted5.7 - 21
TriplyDB
TriplyDB is a free platform for storing, sharing, exploring, and serving linked-data knowledge graphs.
WebAPISelf-hosted5.6 - 22

eccenca Corporate Memory
eccenca Corporate Memory is an enterprise knowledge graph platform for managing data, rules, constraints, capabilities, and configurations.
WebAPILinuxSelf-hosted5.5 - 23
Quadstore
Quadstore is a free, open-source RDF graph database and triplestore for JavaScript runtimes.
WebAPILinuxSelf-hosted5.5 - 24
gStore
APILinuxSelf-hosted5.4 - 25
Strabon
Strabon is a free, self-hosted spatiotemporal RDF store for linked geospatial data that changes over time.
LinuxSelf-hostedWindows5.3

