Harbor vs Singularity Container Services
| Harbor | Singularity Container Services | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Web, Linux | Web, Linux |
| Image scanning | Yes | — |
| OCI artifacts | Yes | Yes |
| Immutable tags | Yes | — |
| Retention policies | Yes | — |
| Free plan | — | Yes |
Both are listed in Best Container Registries. On Samsung Mobile US Press, Harbor scores higher on our published basis.