Category: Triplestores

AllegroGraph is a closed source triplestore which is designed to store RDF triples, a standard format for Linked Data.It also operates as a document store designed for storing, retrieving and managing
A triplestore or RDF store is a purpose-built database for the storage and retrieval of triples through semantic queries. A triple is a data entity composed of subject–predicate–object, like "Bob is 3
Blazegraph is an open source triplestore and graph database, developed by Systap, which is used in the Wikidata SPARQL endpoint and by other large customers. It is licensed under the GNU GPL (version
Apache Jena
Apache Jena is an open source Semantic Web framework for Java. It provides an API to extract data from and write to RDF graphs. The graphs are represented as an abstract "model". A model can be source
Apache Marmotta
Apache Marmotta is a linked data platform that comprises several . In its most basic configuration it is a Linked Data server. Marmotta is one of the reference projects early implementing the new Link
MarkLogic Server
MarkLogic Server is a document-oriented database developed by MarkLogic. It is a NoSQL multi-model database that evolved from an XML database to natively store JSON documents and RDF triples, the data
Ontotext GraphDB
Ontotext GraphDB (previously known as BigOWLIM) is a graph database and knowledge discovery tool compliant with RDF and SPARQL and available as a high-availability cluster. Ontotext GraphDB is used in
Virtuoso Universal Server
Virtuoso Universal Server is a middleware and database engine hybrid that combines the functionality of a traditional relational database management system (RDBMS), object–relational database (ORDBMS)
Eclipse RDF4J (formerly OpenRDF Sesame) is an open-source framework for storing, querying, and analysing RDF data. It was created by the Dutch software company Aduna as part of "On-To-Knowledge", a se
Mulgara (software)
Mulgara is a triplestore and fork of the original Kowari project. It is open-source, scalable, and transaction-safe. Mulgara instances can be queried via the query language and the SPARQL query langua