RDFLib / rdflib

RDFLib is a Python library for working with RDF, a simple yet powerful language for representing information.

oxigraph / oxigraph

SPARQL graph database

semantalytics / awesome-semantic-web

A curated list of various semantic web and linked data resources.

apache / jena

Apache Jena, A free and open source Java framework for building Semantic Web and Linked Data applications.

fabio-rovai / open-ontologies

Plan, apply and roll back changes to a production ontology, with a blast radius report and a proof an auditor can re-check.

ontop / ontop

Ontop is a platform to query relational databases as Virtual RDF Knowledge Graphs using SPARQL

openlink / virtuoso-opensource

Virtuoso is a high-performance and scalable Multi-Model RDBMS, Data Integration Middleware, Linked Data Deployment, and HTTP Application Server Platform

ad-freiburg / qlever

Graph database implementing the RDF and SPARQL standards. Very fast and scales to more than a trillion triples on a single commodity machine

GrafeoDB / grafeo

Grafeo is a pure-Rust, high-performance graph database that can be embedded as a library or run as a standalone database, with optional in-memory or persistent storage. Grafeo supports both LPG and RDF and all major query languages.

inception-project / inception

INCEpTION provides a semantic annotation platform offering intelligent annotation assistance and knowledge management.

SemanticMediaWiki / SemanticMediaWiki

🔗 Semantic MediaWiki turns MediaWiki into a knowledge management platform with query and export capabilities

AtomGraph / LinkedDataHub

The low-code Knowledge Graph application platform. Apache license.

comunica / comunica

📬 A knowledge graph querying framework for JavaScript