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CRI-O

Lightweight container runtime made specifically for Kubernetes

Visit Official Site ↗

About CRI-O

CRI-O is an open-source implementation of the Kubernetes Container Runtime Interface that lets the kubelet launch and manage OCI containers directly. It is deliberately minimal — it only does what the CRI requires, covering image management, container lifecycle, logging, monitoring and resource isolation — which makes it a lean, stable runtime for Kubernetes nodes.

CRI-O website preview

Homepage preview of CRI-O

Live preview of cri-o.github.io via the WordPress mShots service — it can take a few seconds to generate on a first visit.

CRI-O: strengths & things to check

Strengths

  • Completely free to use — this directory lists no paid plan for it.
  • Covers kubernetes, containers, runtime, oci — see the focus areas listed in its key facts.
  • Has 6 close alternatives in the same category on this page, so switching or comparing is easy.

Things to check

  • Free tools can change their model or shut down — avoid locking critical work into it without an export path.
  • Current plan prices are not listed here (they change too often to print reliably) — confirm the exact price on the official site.
  • It is one of 1288 tools in the Developer Tools category here — compare it against the alternatives below before you commit.

Derived from this listing's own data (pricing model, focus areas and category) — not a hands-on review score.

CRI-O pricing

Pricing modelFree — listed in this directory as a free tool, with no paid plan required to use it.
Free accessYes — fully free
Current plan pricesListed on the official site — prices change, so this directory links out instead of printing a number that may already be stale.
Official sitecri-o.github.io

CRI-O key facts

CRI-O FAQ

How much does CRI-O cost?

Free — listed in this directory as a free tool, with no paid plan required to use it. Current plans and prices are listed on the official site (cri-o.github.io).

What is CRI-O used for?

Lightweight container runtime made specifically for Kubernetes Its focus areas in the Developer Tools category: kubernetes, containers, runtime, oci.

Where can I try CRI-O?

On its official site, cri-o.github.io — the Visit Official Site button above goes straight there.

CRI-O vs alternatives

CRI-OArgo WorkflowsBuildahColima
PricingFree — listed in this directory as a free tool, with no paid plan required to use it.Free — listed in this directory as a free tool, with no paid plan required to use it.Free — listed in this directory as a free tool, with no paid plan required to use it.Free — listed in this directory as a free tool, with no paid plan required to use it.
Focus areaskubernetes, containers, runtime, ocikubernetes, workflows, containers, orchestrationcontainers, images, oci, buildcontainers, docker, macos, kubernetes
Official sitecri-o.github.ioargoproj.github.iobuildah.iocolima.run
Directory statusListedListedListedListed

Side-by-side from each listing's own directory data. Full alternative cards are below.

About the Developer Tools category

Editors, platforms, and services developers rely on to build and ship software. The Developer Tools category on Tools Hub currently lists 1288 tools. Alongside CRI-O, it includes Kaniko, act, Lefthook, Fishjam.

FreeDeveloper Toolskubernetescontainersruntimeoci

Alternatives to CRI-O

Tools in the same Developer Tools category that share focus areas with CRI-O — worth comparing before you commit:

ADeveloper Tools

Container-native workflow engine for Kubernetes

Freekubernetesworkflowscontainersorchestration
BDeveloper Tools

Tool for building OCI container images without a daemon

Freecontainersimagesocibuild
CDeveloper Tools

Container runtimes on macOS and Linux with minimal setup

Freecontainersdockermacoskubernetes
CDeveloper Tools

Apple's tool for running Linux containers as lightweight VMs on Mac

Freecontainersmacosvirtualizationoci
FDeveloper Tools

Cloud-native runtime security for hosts and containers

Freesecurityruntimekubernetesdetection
KDeveloper Tools

Lightweight certified Kubernetes distribution

Freekuberneteslightweightedgecontainers

More in Developer Tools

Comparing tools in the Developer Tools category? These related listings are worth a look: Kaniko — Build container images from a Dockerfile without a Docker daemon; act — Run your GitHub Actions workflows locally; Lefthook — Fast Git hooks manager for any language or project.

KDeveloper Tools

Build container images from a Dockerfile without a Docker daemon

Freecontainersdockerkubernetesci
ADeveloper Tools

Run your GitHub Actions workflows locally

Freegithub-actionsciclidocker
LDeveloper Tools

Fast Git hooks manager for any language or project

Freegithooksautomationcli
FDeveloper Tools

Video conferencing and live streaming API with a free plan

Freemiumvideo conferencingwebrtcapilive streaming
LDeveloper Tools

Low-code iPaaS for integration and automation

Paidipaaslow-codeintegrationapi
ADeveloper Tools

Low-code platform for web and mobile business apps

Freemiumlow-codeapp-buildermobileno-code