AI Rule Engine vs Drools
| AI Rule Engine | Drools | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Web | api, Linux, self-hosted |
| Free plan | Yes | — |
| Decision tables | Yes | Yes |
| Visual rule authoring | Yes | Yes |
| Rule testing tools | Yes | Yes |
| Deployment options | cloud | — |
| Natural-language rules | Yes | Yes |
| Execution access | both | both |
| DMN support | — | Yes |
Both are listed in Best Business Rules Management Software. On Inferse, Drools scores higher on our published basis.