#rdf

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

SPARQL graph database

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Eclipse RDF4J: scalable RDF for Java

An open and modular implementation of the Solid specifications

User Interface widgets and utilities for Solid

Lightning fast, spec-compatible, streaming RDF for JavaScript

PurRDF — one RDF 1.2 engine, one behavior, in Rust, Python, WebAssembly and C. Deterministic BM25 full-text search, exact GeoSPARQL 1.1 and embedding kNN answered from SPARQL, in-process, over one dataset: the three jobs a triple store usually kept PostgreSQL beside it for. Plus native codecs, RDFC-1.0, SHACL, ShEx, entailment and GTS transport.

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.

Eclipse Lyo, a Java SDK for OSLC-based tool integration

An open source headless CMS / real-time database. Powerful table editor, full-text search, and SDKs for JS / React / Svelte.

The Semantic Agent Governance Platform

A distribution of EYE reasoner in the JavaScript ecosystem using Webassembly.

Describe a labeled property graph once in a YAML manifest; GraFlo builds the schema and ingests records from CSV, JSON, Parquet, SQL, RDF/SPARQL, REST APIs or Kafka into ArangoDB, Neo4j, TigerGraph, FalkorDB, Memgraph, NebulaGraph, PostgreSQL or a directory on disk.

Parse feeds in Python

A Simplified Semantic Data Modeling (S2DM) approach that offers a pragmatic balance between semantic rigor and usability for subject matter experts.

A SPARQL language server

Solid-compatible data mashup library and Data Browser

Fast, all‑in‑one JavaScript feed parser and generator for RSS, Atom, RDF, and JSON Feed, with support for popular namespaces and OPML.

Personal Online Data Operating System

Browser-based ontology workbench for OWL ontologies and SKOS vocabularies. Streamlit + rdflib, no Java, no Protégé. OWL-RL reasoning, 22 SKOS validation checks, read-only SPARQL console, bulk operations, gist upper-ontology starters, merge-aware imports, interactive vis-network graph.

An intuitive and flexible RDF pipeline solution designed to simplify and automate ETL processes for efficient data management.

SPARQL Anything is a system for Semantic Web re-engineering that allows users to ... query anything with SPARQL.

Java OWL Persistence API