Checkstyle vs Ruff
| Checkstyle | Ruff | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | — | Linux, macOS, self-hosted, Web, Windows |
| Free plan | Yes | Yes |
| Languages supported | 1 | 1 |
| Custom rules | Yes | No |
| IDE support | ide | ide |
| CI support | Yes | Yes |
| Autofix | — | Yes |
| Security rules | — | Yes |
Both are listed in Best Linters. On Inferse, Ruff scores higher on our published basis.