4465 Open source projects that are alternatives of or similar to Rdf4j

The Knowledge Graph notebook. Apache license.

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

LD Connect is a Linked Data portal for IOS Press in collaboration with the STKO Lab at UC Santa Barbara.

SPARQL micro-services: A lightweight approach to query Web APIs with SPARQL

Streaming, transforming, SPARQL-based CSV to RDF converter. Apache license.

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

Ontology-driven Linked Data processor and server for SPARQL backends. Apache License.

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

Converts GraphQL queries to SPARQL queries

PHP implementation of a JSON-LD Processor and API

an Ontology SDK

JSON-LD processor written in Python

A question answering system for RDF knowledge graphs.

🤖 Neural SPARQL Machines for Knowledge Graph Question Answering.

RDF.rb is a pure-Ruby library for working with Resource Description Framework (RDF) data.

The semantic desktop search engine

💡 dokieli is a clientside editor for decentralised article publishing, annotations and social interactions

The Information Model of the International Data Spaces implements the IDS reference architecture as an extensible, machine readable and technology independent data model.

Software platform implementing and extending the standards of the Semantic Web.

🌌 mayktso: encounters at an endpoint

SPARQL-proxy: provides cache, job control, and logging for any SPARQL endpoint

🍵 SPARQL-like DSL for querying in memory Linked Data Models

Linked Data Querying with GraphQL

A SPARQL query federator of heterogeneous data sources

A graph query language for the semantic web

Lightweight and friendly .NET library for modeling Semantic Web applications

SPARQL for JSON: Turn JSON into RDF using SPARQL syntax

Generic Linked Data browser and UX component framework. Apache license.

🕸 YALC: Yet Another LOD Cloud (registry of Linked Open Datasets).

A JSON-LD 1.1 Processor & API

RDF2X converts big RDF datasets to the relational database model, CSV, JSON and ElasticSearch.

RDF library for NodeJS and the Browsers

Parses JSON-LD contexts

A curated list of ontology things

📬 A knowledge graph querying framework for JavaScript

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

Sparklis is a query builder in natural language that allows people to explore and query SPARQL endpoints with all the power of SPARQL and without any knowledge of SPARQL.

grlc builds Web APIs using shared SPARQL queries

SKOS-Play allows to print SKOS files in HTML or PDF. It also embeds xls2rdf to generate RDF from Excel.

python library for working with ontologies and ontology associations

Linked SPARQL Queries (LSQ): Framework for RDFizing triple store (web) logs and performing SPARQL query extraction, analysis and benchmarking in order to produce datasets of Linked SPARQL Queries

Tool for Search in Structured Semantic Data

A JSON-LD Processor and API implementation in JavaScript

Mobi is a decentralized, federated, and distributed graph data platform for teams and communities to publish and discover data, data models, and analytics that are instantly consumable.

Link Discovery Framework for Metric Spaces.

A pretty sweet RML engine, for RDF.

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

ONT-API (OWL-API over Apache Jena)

(subjective) overview of projects which are related both to python and semantic technologies (RDF, OWL, Reasoning, ...)

Get notifications about changes in your SPARQL endpoint.

Document RDFizer for CouchDB

Linked Data & RDF Manufacturing Tools in Clojure

Storing ontologies/vocabularies from the web. Wish anybody can translate some of them.

JSON-LD processor for PHP

IGUANA is a benchmark execution framework for querying HTTP endpoints and CLI Applications such as Triple Stores. Contact: [email protected]

A parser for the SPARQL query language in JavaScript

Research photo management

A wrapper for a remote SPARQL endpoint

JSON-LD TypeScript types for Schema.org vocabulary

This is the core development repository for BrightstarDB.