Apptainer
6.7#4 in container enginesFree planFree planAPILinuxmacOSSelf-hosted
VisitApptainer vs containerd
containerd
6.1#10 in container enginesFree planFree planLinuxSelf-hostedWindows
VisitWhat both publish
| Fact | Apptainer | containerd |
|---|---|---|
| Purpose | Apptainer creates and runs containers that package software for portability and reproducibility. | containerd is an industry-standard container runtime for managing a host’s container lifecycle, including image transfer and storage, execution, and supervision. |
| Support | Free support resources include Slack, a mailing list, and GitHub, while commercial support and services are offered through CIQ. | Nightly builds are available for Linux and Windows, but may contain critical bugs, are not recommended for production, and receive no support. |
Apptainer plans
- ApptainerFree
containerd plans
- containerdFree
Pick Apptainer if…
It suits users running complex applications on shared HPC clusters, including researchers and teams in academia or industry. It also fits people who need portable containers and host resource access without default privilege escalation.
Pick containerd if…
It suits teams embedding a container runtime in a larger system or using it as a Kubernetes runtime. It is not designed as a direct end-user tool.