Immutable in-memory triplestore with Datalog queries

Quadstore is a LevelDB-backed RDF graph database / triplestore for JavaScript runtimes (browsers, Node.js, Deno, Bun, ...) that implements the RDF/JS interfaces and supports SPARQL queries and querying across named graphs.

Triple store module for SemApps

Knossos is a high level Hydra server, which allows rapidly deploying Hydra-powered APIs backed by a triplestore.

TypeScript/JavaScript client for SutraDB — RDF-star triplestore with native vector indexing

A graph-based realtime replication engine for creating offline first multiplayer applications. SolidState can replicate data peer-to-peer, through a persitent triplestore, or on Solid PODs.

TypeScript SDK for the RDF4J triplestore REST API

@thi.ng/rstream based triple store & reactive query engine

A standard web component to easily deploy a user-friendly SPARQL query editor for one or more endpoints. Built on the popular YASGUI editor, it provides context-aware autocomplete for classes and predicates based on the content of the endpoints.

SPARQL module for ezs

ActivityPods core services

SPARQL JSON Schema Linked Data Client

SPARQL and atomic RDF storage for Cloudflare D1 and embedded SQLite.

nl3 - natural language triples. Parse RDF-style triples from plain English.

SSZ Views

A rule-based incremental reasoner for the Web.

Node.js runtime for serving docmaps using other composed docmaps-related npm modules

The newsQuery NPM package provides a library to interact with the BBC News Labs Juicer

Export vhost command for dereferencing in Virtuoso from a list.

A database for storing triples, also know as *facts* with tooling for querying and indexing.