RDFox vs Virtuoso Universal Server
| RDFox | Virtuoso Universal Server | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | Yes | Yes |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | api, Linux, macOS, self-hosted, Web, Windows | api, Linux, macOS, self-hosted, Web, Windows |
| Free plan | No | — |
| Ontology modeling | Yes | — |
| Semantic reasoning | Yes | — |
| RDF/SPARQL support | Yes | — |
| Graph visualization | Yes | — |
| Import formats | N-Triples, Turtle, N-Quads, TriG, OWL 2 Functional-Style Syntax, Datalog | — |
| Deployment | both | both |
| Query languages | SPARQL 1.1 | — |
Both are listed in Best Knowledge Graph Software, Best RDF Databases. On The Geeks Club, RDFox scores higher on our published basis.