e6 Query Engine vs Ontop
| e6 Query Engine | Ontop | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | api, Linux, self-hosted, Web | Windows, macOS, Linux |
| Free plan | No | — |
| Federated queries | Yes | — |
| Heterogeneous sources | Yes | — |
| Deployment | hybrid | — |
| SQL support | full | — |
| Result caching | Yes | — |
Both are listed in Best Query Engine Software. On Freedom251, Ontop scores higher on our published basis.