youki
youki: A focused, open-source OCI runtime for rootless and rootful Linux container execution. Ranked #24 of 31 in Container Engines by our editors (6.9/10); pricing: Free plan; best for rootless OCI runtime experimentation.
At a glance
- Editor score6.9 / 10
- PricingFree plan
- Best forRootless OCI runtime experimentation
- Free planYes
- Paid fromFree
- Rootless modeYes
- Facts checked22 Sep 2026
Where it wins
- Supports both rootful and rootless container execution
- Integrates with Docker, Podman, containerd, and Kubernetes
- Implements OCI runtime operations in Rust
Where it doesn't
- Runs natively on Linux rather than across multiple host platforms
- Is not a Kubernetes CRI implementation
- Does not provide image-building capabilities
Our verdict on youki
youki is an open-source, low-level container runtime written in Rust for Linux. It implements the OCI runtime specification and handles core container lifecycle operations, including create, start, state, list, and delete. Rootful and rootless modes make it relevant to container platform developers and teams evaluating alternatives to runc, particularly where rootless execution or a Rust implementation is a priority.
Its strongest fit is as a runtime component within an existing container ecosystem. youki documents integration with Docker and Podman, supports containerd, and provides guidance for deploying it as an OCI runtime in Kubernetes. It also includes checkpoint and restore support. The project is focused on executing containers from OCI bundles, so it complements higher-level tools rather than replacing the full workflow provided by a container engine or image-building system.
The main trade-off is scope and environment. Native local builds require Linux and a Linux kernel version 5.3 or newer, while other platforms rely on virtualized development environments. youki is documented as an OCI runtime rather than a Kubernetes CRI implementation, and it does not provide image-building capabilities. Choose it for focused runtime experimentation, rootless execution, or integration into Docker, Podman, containerd, or Kubernetes workflows. Choose a broader container engine instead if you need image creation, a CRI layer, or a multi-platform native development target.
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youki pricing
youki fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Rootless mode | Yes |
| Image building | No |
| Kubernetes CRI | No |
| Windows containers | No |
| Image format | Oci |
| Runtime interface | Other |
| Supported host OS | Linux |
| Deployment | Self-hosted |
| Platforms | Linux |
| Support | Community, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 4 integrations: Docker, Podman, containerd, Kubernetes |
| Pricing | Free plan |
| Website | github.com |
| Facts checked | 22 Sep 2026 |
youki integrations
youki lists 4 integrations on its own site.
- Docker
- Podman
- containerd
- Kubernetes
Alternatives to youki
- Docker EngineA broad container engine for building, running, and managing applications across major platforms.9.4
- PodmanA free, Docker-compatible container engine with rootless execution and Kubernetes YAML support.9.2
- containerdA focused open-source runtime for Kubernetes and production infrastructure.9.0
Also Ranked In
youki is ranked in 2 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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