Instead of Stardog
Stardog alternatives
Stardog brings enterprise data together in a semantic layer for AI, analytics, search, and applications, while virtualizing on-premises and cloud sources rather than moving or copying them. It applies business rules at query time, validates data with SHACL, and supports SPARQL, GraphQL, and W3C RDF. Voicebox helps model and maintain knowledge graphs and write queries, and built-in machine learning supports similarity search and predictive analytics. Deployment options include managed AWS, customer cloud, and on-premises environments.
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Mendix
by MendixFree plan AndroidiPhoneLinux+4Building and publishing one mobile or web app — Mendix focuses on building mobile and web apps, with a built-in database, authentication, and API integrations rather than Stardog’s semantic data layer.
Free plan Visit site - 2
AllegroGraph
Free plan APILinuxMac+3Knowledge graphs with neuro-symbolic AI and analytics — AllegroGraph adds vector storage, LLM integration, GraphTalker, and geospatial, temporal, and social-network analytics to semantic graph work.
Free plan Visit site - 3
GraphDB
Free plan APILinuxMac+3RDF graph work with GraphRAG and semantic search — GraphDB adds GraphRAG, MCP support, no-code RAG chat, entity linking, and LangChain natural-language graph queries.
Free plan Visit site - 4
Protégé
Free plan Open source APILinuxMac+3Creating and collaborating on OWL 2 ontologies — Protégé centers on ontology editing, with collaborative browser editing and desktop reasoner connections rather than Stardog’s enterprise data virtualization.
Free plan Visit site - 5
RDF Studio
Free plan APILinuxMac+2Exploring and editing RDF knowledge graphs — RDF Studio combines RDF editing and SHACL validation tools with connections to Stardog and other triple stores, plus offline desktop use.
Free plan Visit site - 6
RDFox
Free trial APILinuxMac+3SPARQL graph data with real-time rule reasoning — RDFox is a main-memory centralized RDF store with incremental rule reasoning that updates consequences as data changes.
Pricing on request Visit site - 7
TypeDB
Free plan APILinuxMac+3Schema-first hypergraphs with n-ary relations — TypeDB uses a structured hypergraph, enforced schema, and strongly typed TypeQL instead of Stardog’s semantic layer and RDF standards.
Free plan · paid from $0.07 Visit site - 8
PrestoDB
Free plan Open source APILinuxMac+2 - 9
Virtuoso Universal Server
Free plan Open source APILinuxMac+3 - 10
Apache Drill
Free plan APILinuxMac+2 - 11
Denodo Platform
Free plan APILinuxSelf-hosted+2 - 12
Enterprise Enabler
Free plan APILinuxMac+37.6 Visit site - 13
Query Streams
Free plan APILinuxMac+3 - 14
Ontop
Free plan APILinuxMac+3 - 15
Spice.ai OSS
Free plan APILinuxMac+2 - 16
Starburst Galaxy
Free plan APILinuxWeb - 17
Trino
Free plan APILinuxSelf-hosted+1 - 18
Teiid
Free plan APILinuxSelf-hosted - 19
CData Connect AI
Free trial APIWeb - 20
SAP Master Data Governance
Free plan Web - 21
Spotfire Data Virtualization
Free trial APILinuxSelf-hosted+2 - 22
K2view Dynamic Data Virtualization
Paid APILinuxSelf-hosted+1 - 23
Querona
Paid APISelf-hostedWeb+1 - 24
Virtual Data Platform
Free trial AndroidAPIiPhone+3 - 25
Promethium
Paid APISelf-hostedWeb - 26
Kubling
Paid APILinuxSelf-hosted+1 - 27
SAS Federation Server
Paid APILinuxSelf-hosted+2 - 28 5.4 Visit site
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Stratio Semantic Layer
Paid APISelf-hostedWeb - 30
IBM Data Virtualization
Paid Web - 31
Teradata QueryGrid
Paid
The free commercial plan allows up to one million stored edges and three databases, but excludes high availability, caching, backups, LDAP integration, and the full connector set. Enterprise pricing requires contacting Stardog. When switching, weigh whether you need a semantic graph platform or a narrower tool for app building, ontology editing, RDF workspace tasks, or a different graph model. Compare reasoning and query support, integrations, scaling, deployment, collaboration, and the limits of any free tier against the work you need to do.
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