RDF (Resource Description Framework) is a standard model for data interchange on the web, using URIs to name the relationships between things and a directed, labeled graph to represent the data.
Protege Desktop
Blazegraph High Performance Graph Database
Graph+Semantics: Import/Export RDF from Neo4j. SHACL Validation, Model mapping and more.... If you like it, please ★ ⇧
The webprotege code base
Java library to interact with Wikibase
Eclipse RDF4J: scalable RDF for Java
SPARQL Anything is a system for Semantic Web re-engineering that allows users to ... query anything with SPARQL.
GraphQL interface for querying and serving linked data on the Web.
An RDF Unit Testing Suite
OpenStreetMap for the Semantic Web
LinkedPipes ETL is an RDF based, lightweight ETL tool
A JSON-LD 1.1 (JSON-based Serialization for Linked Data) Processor & API
An RDF plugin for Solr
Software platform implementing and extending the standards of the Semantic Web.
A pretty sweet RML engine, for RDF.
Trellis is a platform for building scalable Linked Data applications
A highly scalable RDF triple store with full-text and GeoSPARQL support
Created by W3C, IBM, Microsoft, Netscape, Nokia, Reuters, SoftQuad, University of Michigan
Released October 1997