Alternatives to RDFox
RDFox is a centralized, main-memory RDF store for SPARQL 1.1 workloads. It combines Datalog, OWL 2, SWRL and SHACL support with incremental reasoning that updates consequences as data changes. Java and REST APIs, broad import and export formats, server replication, and deployment across cloud, on-premises, on-device and edge environments support varied knowledge-graph architectures. Linux, macOS and Windows support, encryption options, OpenID Connect sign-on and a 30-day…
Stardog connects enterprise data through a semantic layer for AI, analytics, search, and applications.
Eclipse RDF4J is an open-source Java framework for parsing, storing, querying, and reasoning over RDF data.
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Apache Jena Fuseki
Apache Jena Fuseki is a SPARQL server for standalone use or embedding in an application.
Free planOpen sourceWebAPILinuxSelf-hosted7.5Free plan - 5

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 - 6

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 - 7
QLever
QLever is an open-source graph database for loading and querying large RDF datasets.
Free planWebAPILinuxmacOS6.5Free plan - 8
RedStore
RedStore is a free, self-hosted RDF triplestore written in C with the Redland library.
Free planAPILinuxmacOSSelf-hosted6.5Free plan - 9
Tentris
Tentris is a database for storing and querying RDF knowledge graphs, with support for SPARQL 1.1.
Free planWebLinuxmacOSSelf-hosted6.3Free plan - 10

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 - 116.1
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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
