The Best Container Engines in 2026
We researched container engines from official websites, including pricing pages, plan tables and product documentation. Rankings focus on creating, running and managing containers on individual hosts, plus value for money and verified runtime features. Cluster orchestrators and desktop-focused environments are outside this category.
Our top picks
-
Top ranked
Docker Engine#1 of 319.4/10A broad container engine for building, running, and managing applications across major platforms.
Free plan
-
Runner-up
Podman#2 of 319.2/10A free, Docker-compatible container engine with rootless execution and Kubernetes YAML support.
Free plan
-
Top-ranked free plan
containerd#3 of 319.0/10A focused open-source runtime for Kubernetes and production infrastructure.
Free plan
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
The full ranking 31 tools, best first
-
Best forGeneral-purpose container development and operations
A broad container engine for building, running, and managing applications across major platforms.
- Windows containers
- Kubernetes CRI
- Image building
9.4/10★★★★★Visit Docker -
Best forOpen-source Docker-compatible workflows
A free, Docker-compatible container engine with rootless execution and Kubernetes YAML support.
- Image building
- Rootless mode
9.2/10★★★★★Visit Podman -
Best forKubernetes and production runtime infrastructure
A focused open-source runtime for Kubernetes and production infrastructure.
- Windows containers
- Kubernetes CRI
- Rootless mode
9.0/10★★★★☆Visit containerd -
Best forBuilding custom container platforms
A modular, open-source foundation for teams building custom container platforms.
- Windows containers
- Image building
- Rootless mode
8.9/10★★★★☆Visit Moby -
Best forLinux system containers and virtual machines
A broad Linux systems manager for teams that need containers, VMs, and infrastructure control.
- Image building
- Rootless mode
8.8/10★★★★☆Visit LXD -
Best forModern container and VM management
A free, open-source manager for containers and VMs on Linux infrastructure.
- Image building
- Rootless mode
8.7/10★★★★☆Visit Incus -
Best forHPC, GPU, and secure Linux containers
A Linux-focused container engine for HPC, GPU workloads, and secure image execution.
- Image building
- Rootless mode
8.6/10★★★★☆Visit SingularityCE -
Best forRootless research and cross-platform container use
A free, open-source container platform built for unprivileged, portable workloads.
- Image building
- Rootless mode
8.5/10★★★★☆Visit Apptainer -
Best forRootless image building on Linux
A focused, daemonless image builder for Linux-based container workflows.
- Image building
- Rootless mode
8.4/10★★★★☆Visit Buildah -
Best forAdvanced multi-platform image builds
A capable open-source builder for complex image pipelines, not a container runtime.
- Windows containers
- Image building
- Rootless mode
8.3/10★★★★☆Visit BuildKit -
Best forAlibaba Cloud-compatible container platforms
A capable Linux container engine for Alibaba Cloud-compatible, self-hosted environments.
- Kubernetes CRI
- Image building
8.2/10★★★★☆Visit PouchContainer -
Best forRunning nested Docker and Kubernetes workloads
A focused runtime for running Docker, Kubernetes, and build workloads inside containers.
- Image building
- Rootless mode
8.1/10★★★★☆Visit Sysbox -
Best forVM-isolated containers and Kubernetes pods
A Linux runtime for stronger container isolation without leaving the OCI ecosystem.
- Kubernetes CRI
- Rootless mode
8.0/10★★★★☆Try Kata Containers -
Best forKubernetes-native OCI runtime operations
A focused, open-source runtime layer for Kubernetes—not an image-building tool.
- Kubernetes CRI
7.9/10★★★★☆Visit CRI-O -
Best forSecurity-focused container isolation
Open-source container isolation for security-sensitive Linux workloads.
- Kubernetes CRI
- Image building
- Rootless mode
7.8/10★★★★☆Visit gVisor -
Best forMature Linux system-container management
A mature, free Linux container engine for system-level control and automation.
- Image building
- Rootless mode
7.7/10★★★★☆Visit LXC -
Best forConfidential workloads using hardware enclaves
A specialized open-source stack for hardware-isolated container workloads.
- Kubernetes CRI
7.6/10★★★★☆Visit Inclavare -
Best forFreeBSD jail-based container management
A capable FreeBSD jail manager for self-hosted application environments.
- Image building
7.5/10★★★★☆Visit AppJail -
Best forLow-footprint containers on embedded Linux
A focused, open-source engine for resource-conscious container workloads on Linux devices.
- Image building
7.4/10★★★★☆Visit balenaEngine -
Best forLightweight OCI runtime execution
A focused, open-source OCI runtime for Linux container execution.
- Rootless mode
7.3/10★★★★☆Visit crun -
Best forMinimal OCI runtime operations
A focused Linux runtime for executing OCI containers, not building images.
- Rootless mode
7.2/10★★★★☆Visit runc -
Best formacOS-native Linux container development
A focused, open-source container engine for Linux container development on macOS.
- Image building
7.1/10★★★★☆Try Apple container -
Best forUnprivileged GPU workloads on Linux
A focused, daemonless Linux container utility for multi-user GPU workloads.
- Image building
- Rootless mode
7.0/10★★★★☆Visit NVIDIA -
Best forRootless OCI runtime experimentation
A focused, open-source OCI runtime for rootless and rootful Linux container execution.
- Rootless mode
6.9/10★★★☆☆Visit youki -
Best forLegacy Linux container virtualization
A focused Linux container engine for self-hosted legacy virtualization.
6.8/10★★★☆☆Visit OpenVZ -
Best forSystemd-integrated Linux containers
A focused, systemd-integrated container tool for Linux workloads and services.
- Rootless mode
6.7/10★★★☆☆Visit systemd -
Best forWindows Server OCI runtime execution
A focused, open-source runtime for OCI workloads on Windows Server.
- Windows containers
- Kubernetes CRI
6.6/10★★★☆☆Visit runhcs -
Best forUnprivileged HPC containers with GPU support
A Linux-only, rootless container engine built around HPC workloads and GPU access.
- Image building
- Rootless mode
6.5/10★★★☆☆Visit Charliecloud -
Best forFreeBSD OCI jail integration
A focused, open-source OCI runtime for container workloads on FreeBSD.
6.4/10★★★☆☆Visit ocijail -
Best forHPC workloads using Slurm and MPI
An open-source Linux engine tailored to Slurm- and MPI-based HPC workloads.
6.3/10★★★☆☆Visit Shifter -
Best forSupported enterprise Docker-compatible deployments
A Docker-compatible runtime with enterprise support, security controls, and orchestration options.
- Windows containers
- Kubernetes CRI
- Image building
6.2/10★★★☆☆Visit Mirantis
No tools match those filters.
Compare at a glance
| # | Tool | Free plan | Paid from | Rootless mode | Image building | Windows containers | Image format | Runtime interface | Score |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Docker Engine | Yes | Free | Yes | Yes | Yes | Both | Docker | 9.4 |
| 2 | Podman | Yes | Free | Yes | Yes | No | Both | Other | 9.2 |
| 3 | containerd | Yes | Free | Yes | No | Yes | Both | Containerd | 9.0 |
| 4 | Moby | Yes | Free | Yes | Yes | Yes | Both | Containerd | 8.9 |
| 5 | LXD | Yes | Free | Yes | Yes | Other | 8.8 | ||
| 6 | Incus | Yes | Free | Yes | Yes | Oci | Other | 8.7 | |
| 7 | SingularityCE | Yes | Free | Yes | Yes | No | Both | Other | 8.6 |
| 8 | Apptainer | Yes | Free | Yes | Yes | No | Both | Other | 8.5 |
| 9 | Buildah | Yes | Free | Yes | Yes | No | Both | 8.4 | |
| 10 | BuildKit | Yes | Free | Yes | Yes | Yes | Both | Other | 8.3 |
| 11 | PouchContainer | Yes | Free | Yes | Oci | Containerd | 8.2 | ||
| 12 | Sysbox | Yes | Free | Yes | Yes | No | Oci | Other | 8.1 |
| 13 | Kata Containers | Yes | Free | Yes | No | Oci | Containerd | 8.0 | |
| 14 | CRI-O | Yes | Free | No | Both | Cri-o | 7.9 | ||
| 15 | gVisor | Yes | Free | Yes | Yes | No | Both | Other | 7.8 |
| 16 | LXC | Yes | Free | Yes | Yes | Other | 7.7 | ||
| 17 | Inclavare Containers | Yes | Free | Oci | Containerd | 7.6 | |||
| 18 | AppJail | Yes | Free | No | Yes | Both | Other | 7.5 | |
| 19 | balenaEngine | Yes | Free | Yes | Docker | Docker | 7.4 | ||
| 20 | crun | Yes | Free | Yes | No | Oci | Other | 7.3 | |
| 21 | runc | Yes | Free | Yes | No | No | Oci | Other | 7.2 |
| 22 | Apple container | Yes | Free | Yes | No | Oci | 7.1 | ||
| 23 | Enroot | Yes | Free | Yes | Yes | Docker | Other | 7.0 | |
| 24 | youki | Yes | Free | Yes | No | No | Oci | Other | 6.9 |
| 25 | OpenVZ | Yes | Free | No | Other | 6.8 | |||
| 26 | systemd-nspawn | Yes | Free | Yes | Other | 6.7 | |||
| 27 | runhcs | Yes | Free | Yes | Oci | Containerd | 6.6 | ||
| 28 | Charliecloud | Yes | Free | Yes | Yes | Other | 6.5 | ||
| 29 | ocijail | Free | Oci | Other | 6.4 | ||||
| 30 | Shifter | Free | No | Docker | Other | 6.3 | |||
| 31 | Mirantis Container Runtime | No | $1,125/device/yr | Yes | Yes | Yes | Both | Containerd | 6.2 |
Head-to-head All 28 comparisons →
- Docker Engine vs Podman
- Docker Engine vs containerd
- Docker Engine vs Moby
- Docker Engine vs LXD
- Docker Engine vs Incus
- Docker Engine vs SingularityCE
- Docker Engine vs Apptainer
- Podman vs containerd
- Podman vs Moby
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How we rank container engines
Every tool on this page was researched by iTechGuides Editors from its official website — pricing pages, plan tables and product documentation. We rank on how well each one does this category's core job, what the free or entry plan includes, and where it falls short. Where we have enough verified facts, the score out of 10 is a rubric — job fit, value and how much we could verify — shown with its breakdown on every tool's page; a tool we have not verified enough to score yet shows its rank without a number. Scores are re-checked when a product changes its plans. Read the full editorial policy, or submit a tool we missed.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update