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

Information Integration Tool

This is the core development repository for BrightstarDB.

A LevelDB-backed graph database for JS runtimes (Node.js, Deno, browsers, ...) supporting SPARQL queries and the RDF/JS interface.

Fabric is a simple triplestore written in Golang

AI-native ontology engine: a Rust MCP server with tools for building, validating, querying, and reasoning over RDF/OWL ontologies. In-memory Oxigraph triple store, native OWL2-DL tableaux reasoner, SHACL validation, SPARQL, versioning. Single binary, no JVM.

GraphQL interface for querying and serving linked data on the Web.

A high-performance, disk-based RDF graph database enabling graph analytics that were deemed computationally infeasible.

The MarkLogic Data Hub: documentation ==>

Lightweight and friendly .NET library for realizing modern Semantic Web applications (RDF, SPARQL, SHACL)

Query a SPARQL endpoint with a SELECT query and get the data ready to be used with d3js

Nifty library to manage, query and store RDF triples. Make RDF great again!

Datatype agnostic triple store & query engine API

DaSCH Service Platform API

A BaaS (Backend-as-a-Service) solution for web applications, inspired by the flexible nature of triplestores. Featuring real-time collaboration and serverless authorization 🔐

Tentris is a tensor-based triplestore that natively supports worst-case optimal joins. This is the research version of Tentris. A commercial version is available at https://github.com/tentris/tentris.

🐦 Versioned RDF triple store (OffSet-enabled TRIple store for CHangesets)

EAV triplets for Clara Rules, solving the update problem.

The documentation repository is part of the Corporate Linked Data Catalog - short: COLID - application.

A schemaless graph database based on RocksDb