Port Authority vs ZMap
| Port Authority | ZMap | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Android | Linux, macOS, self-hosted |
| Free plan | Yes | Yes |
| Scan scope | internet | internet |
| Service detection | Yes | No |
| Deployment | — | cli |
| Export formats | — | CSV, JSON, plain text |
Both are listed in Best Port Scanner Software. On Specifiction, ZMap scores higher on our published basis.