HASH vs Virtuoso Universal Server
| HASH | Virtuoso Universal Server | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | Yes |
| Paid from | $1.67/mo | — |
| Open source | No | No |
| Platforms | api, extension, self-hosted, Web | api, Linux, macOS, self-hosted, Web, Windows |
| Free plan | Yes | — |
| Paid from | 20 /mo | — |
| Ontology modeling | Yes | — |
| Semantic reasoning | Yes | — |
| Graph visualization | Yes | — |
| Deployment | both | both |
| Query languages | natural language | — |
Both are listed in Best Knowledge Graph Software. On Inferse, Virtuoso Universal Server scores higher on our published basis.