This list shows notable triplestores,

API An application programming interface (API) is a connection between computers or between computer programs. It is a type of software interface, offering a service to other pieces of software. A document or standard that describes how to build ...

s, and other storage engines that have implemented the W3C SPARQL standard. * Amazon Neptune * Apache Marmotta * AllegroGraph * Eclipse RDF4J * Apache Jena with ARQ * Blazegraph
Corese
* Cray Urika-GD
Comunica
* IBM Db2 - Removed in v11.5. * KAON2 *

MarkLogic MarkLogic is an American software business that develops and provides an enterprise NoSQL database, which is also named ''MarkLogic''. They have offices in the United States, Europe, Asia, and Australia. In February 2023, MarkLogic was acquired ...

* Mulgara * NitrosBase
Ontop
* Ontotext GraphDB * Oracle DB Enterprise Spatial & Graph
Oxigraph
* RDFLib Python library * Redland / Redstore * Stardog * TinySPARQL part of the

GNOME Project GNOME Project is a community behind the GNOME desktop environment and the software platform upon which it is based. It consists of all the software developers, artists, writers, translators, other contributors, and active users of GNOME. The GNOM ...

* QLever *

Virtuoso A virtuoso (from Italian ''virtuoso'', or ; Late Latin ''virtuosus''; Latin ''virtus''; 'virtue', 'excellence' or 'skill') is an individual who possesses outstanding talent and technical ability in a particular art or field such as fine arts, ...

See also