Singularity Registry Server vs Trow
| Singularity Registry Server | Trow | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | api, Linux, self-hosted, Web | Linux |
| Immutable tags | Yes | No |
| Image scanning | — | No |
| OCI artifacts | — | Yes |
| Replication scope | — | none |
Both are listed in Best Container Registries. On Samsung Mobile US Press, Singularity Registry Server scores higher on our published basis.