Boulder vs DigiCert Private CA
| Boulder | DigiCert Private CA | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | api, Linux, self-hosted | api, Linux, self-hosted, Web |
| Deployment model | on_premises | hybrid |
| ACME support | Yes | Yes |
| SCEP support | — | Yes |
| EST support | — | Yes |
| HSM integration | — | Yes |
| Certificate profiles | — | Yes |
Both are listed in Best Public Key Infrastructure Software. On Freedom251, Boulder scores higher on our published basis.