AllegroGraph vs Virtuoso Universal Server
| AllegroGraph | Virtuoso Universal Server | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | Yes |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | api, Linux, self-hosted, Web | api, Linux, macOS, self-hosted, Web, Windows |
| Free plan | Yes | — |
| Supported data models | RDF triples/quads, generic graph, vector | relational, RDF/graph, XML |
| Deployment options | both | both |
| SQL support | No | Yes |
| Graph querying | Yes | Yes |
| Vector search | Yes | — |
| Multi-region support | Yes | — |
Both are listed in Best Multimodel Databases, Best RDF Databases. On The Geeks Club, Virtuoso Universal Server scores higher on our published basis.