RDF Studio

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Score7.3

Rank#4 of 33

PriceFree

Free planYes

Runs onAPI, Linux, macOS, Web, Windows

Summary

RDF Studio is a semantic data workspace for exploring, querying, visualizing, and modeling RDF knowledge graphs. Its SPARQL editor includes syntax highlighting, autocomplete, PREFIX folding, a query library, and execution history. A visual editor lets users create and edit OWL/RDFS classes, properties, and restrictions. The SHACL editor supports browsing, editing, and generating shapes, with validation results shown in a dashboard and maturity scoring. RDF Studio includes an Oxigraph store and can connect to GraphDB, Virtuoso, Stardog, Amazon Neptune, Apache Jena Fuseki, and SPARQL 1.1-compatible endpoints. Saved SPARQL queries can be exposed as REST API endpoints. AI features can suggest ontology edits for review and generate SPARQL from natural-language questions. The desktop app runs on macOS, Windows, and Linux, and the maker says it works offline. A Northwind training environment includes query examples, a guided CRUD tutorial, an OWL 2 ontology, and SHACL shapes. RDF Studio is a preview release under active development, not intended for production or business-critical systems; the maker advises evaluation on test data. Full OWL 2 RL closure at the stated 133-million-triple scale remains slow.

Who it is for

RDF Studio is aimed at ontologists, data engineers, data analysts, knowledge graph engineers, and technical leaders. It may suit people exploring RDF data or building and validating ontologies on test data.

What is good

SPARQL editor includes autocomplete and execution history.
Visual editors support OWL/RDFS and SHACL work.
Connects to several external triple stores.
Desktop app is available for three operating systems and works offline.

What to know first

Preview release is not intended for production systems.
Full OWL 2 RL closure at the stated scale remains slow.
Maker advises evaluation on test data.

Verdict

RDF Studio brings querying, ontology editing, and SHACL validation into one workspace. Its preview status and stated reasoning limitation make test-data evaluation important before relying on it.

RDF Studio plans and pricing

All plans

Free Free Free semantic data workspace; no price or usage limits stated rdf-studio.com · 2 Oct 2026

Compared on knowledge graph software

Free plan: Yesrdf-studio.com
Ontology modeling: Yesrdf-studio.com
Semantic reasoning: Yesrdf-studio.com
RDF/SPARQL support: Yesrdf-studio.com
Graph visualization: Yesrdf-studio.com
Import formats: Turtle, N-Triples, JSON-LD, CSV, Excel, JSON, Parquetrdf-studio.com
Deployment: cloudrdf-studio.com
Query languages: SPARQL 1.1rdf-studio.com

Facts

Purpose: RDF Studio is a semantic data workspace for exploring, querying, visualizing, and modeling RDF knowledge graphs.rdf-studio.com · 2 Oct 2026
SPARQL: Its SPARQL editor supports syntax highlighting, autocomplete, PREFIX folding, a query library, and execution history.rdf-studio.com · 2 Oct 2026
Ontology editing: The visual ontology editor supports creating and editing OWL/RDFS classes, properties, and restrictions.rdf-studio.com · 2 Oct 2026
SHACL: The SHACL editor can browse, edit, and auto-generate shapes, and validate them with a validation dashboard and maturity scoring.rdf-studio.com · 2 Oct 2026
Triple stores: The product supports its built-in Oxigraph store and connections to GraphDB, Virtuoso, Stardog, Amazon Neptune, Apache Jena Fuseki, and SPARQL 1.1 compatible endpoints.rdf-studio.com · 2 Oct 2026
Desktop platforms: The maker says the desktop app runs on macOS, Windows, and Linux and works offline without an internet connection.rdf-studio.com · 2 Oct 2026
API: Saved SPARQL queries can be exposed as REST API endpoints.rdf-studio.com · 2 Oct 2026
AI features: AI can propose ontology changes and generate SPARQL from natural-language questions; its proposed ontology changes are drafts for review.rdf-studio.com · 2 Oct 2026
Training content: The Northwind training environment includes a SPARQL query library, a guided CRUD tutorial, an OWL 2 ontology, and SHACL shapes.rdf-studio.com · 2 Oct 2026
Security and compliance: The maker says each user gets an isolated database copy in the training environment; the page does not state a security certification or compliance standard.rdf-studio.com · 2 Oct 2026
Preview status: RDF Studio is described as a preview release under active development, provided as-is and not intended for production or business-critical systems; the maker advises evaluation on test data.rdf-studio.com · 2 Oct 2026
Known limit: The maker says full OWL 2 RL closure at the stated 133-million-triple scale is still slow and on the roadmap.rdf-studio.com · 2 Oct 2026
Intended users: The maker identifies ontologists, data engineers, data analysts, knowledge graph engineers, and technical leaders as users it serves.rdf-studio.com · 2 Oct 2026
Maker: The homepage credits the product as created by M Barbieri.rdf-studio.com · 2 Oct 2026