Singularity Registry HPC vs STACKIT Compute Engine
| Singularity Registry HPC | STACKIT Compute Engine | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | api, Linux, self-hosted | api, Web |
| Free plan | — | No |
| Image scanning | — | Yes |
| OCI artifacts | — | Yes |
| Immutable tags | — | Yes |
| Retention policies | — | Yes |
| Replication scope | — | multi-region |
Both are listed in Best Container Registries. On Freedom251, STACKIT Compute Engine scores higher on our published basis.