Black vs Fourmolu
| Black | Fourmolu | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Linux, macOS, self-hosted, Windows | Web, Windows |
| Free plan | Yes | — |
| Supported languages | Python | Haskell |
| Supported platforms | Windows, macOS, Linux, local HTTP API | web, windows |
| Editor integration | Yes | Yes |
| Ignore files | Yes | — |
| Changed-lines formatting | Yes | — |
| Library API | No | Yes |
| License model | open_source | open_source |
Both are listed in Best Code Formatting Tools. On The Geeks Club, Black scores higher on our published basis.