js_of_ocaml vs Opal
| js_of_ocaml | Opal | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | Free | Free |
| Open source | No | No |
| Platforms | api, Linux, Web | Linux, macOS, Web, Windows |
| Syntax-version conversion | No | — |
| Intermediate output | No | — |
| CLI access | Yes | Yes |
| API access | No | Yes |
| Free plan | — | Yes |
| Conversion mode | — | source-to-source |
Both are listed in Best Code Transpilers. On Samsung Mobile US Press, Opal scores higher on our published basis.