RDF Studio vs Stardog
RDF Studio
rdf-studio.com
Stardog
stardog.comSide by side
| Figure | RDF Studio | Stardog |
|---|---|---|
| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | Yes | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | Yes | Yes |
| Self-hosted | — | Yes |
| Plans published | 1 | 5 |
| Spec score · Knowledge Graph Software | 7.7 (#22) | 8.4 (#11) |
| AI features | AI can propose ontology changes and generate SPARQL from natural-language questions; its proposed ontology changes are drafts for review. | Stardog Voicebox uses large language models for knowledge-graph modeling, maintenance, and query writing, while built-in machine learning provides similarity search and predictive analytics. |
| API | Saved SPARQL queries can be exposed as REST API endpoints. | Unified data is exposed through a REST API and a SQL-compatible BI server. |
| Purpose | RDF Studio is a semantic data workspace for exploring, querying, visualizing, and modeling RDF knowledge graphs. | Stardog connects enterprise data into a semantic layer for AI, analytics, search, and applications. |
Plans
Stardog
- Stardog Cloud FreeFree
- Stardog FreeFree
- Stardog FreeFree
- Stardog Cloud EnterprisePriced on request
- Stardog EnterprisePriced on request
In their own words
RDF Studio
RDF Studio is a semantic data workspace for exploring, querying, visualizing, and modeling RDF knowledge graphs. Its SPARQL editor offers syntax highlighting, autocomplete, PREFIX folding, a query library, and execution history. A visual ontology editor handles OWL/RDFS classes, properties, and restrictions. The SHACL editor supports browsing, editing, and generating shapes, then validating them through a dashboard with maturity scoring. RDF Studio includes an Oxigraph store and connects to GraphDB, Virtuoso, Stardog, Amazon Neptune, Apache Jena Fuseki, and SPARQL 1.1-compatible endpoints. Saved queries can be exposed as REST API endpoints. AI can draft ontology changes for review and generate SPARQL from natural-language questions. The desktop app is available for 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 free, but is 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; full OWL 2 RL closure at the stated 133-million-triple scale remains slow.