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DevOps

Free Docker alternatives

Docker (Build, share and run containers) is a commercial product. These 2 tools do the same job and are free to use or to self-host.
Short answer: the best free alternatives to Docker are Podman and Colima. Docker starts at $9/user/mo (Pro). Self-hosting is free; you pay only for the server (a small VPS is about $4–6/mo). Licenses and prices checked 2026-10-01.
  1. 1
    Podman

    Daemonless, open-source container engine

    Daemonless containers with a Docker-compatible CLI.

    Open source (Apache-2.0) ·details

  2. 2
    Colima

    Container runtimes on macOS and Linux with minimal setup

    Container runtime for macOS and Linux, no Docker Desktop needed.

    Open source (MIT) ·details

Want paid options too? See all Docker alternatives or the full free alternatives list.

FAQ

Is there a free alternative to Docker?+

Yes. Podman and Colima do the same job for free; Podman and Colima are open source.

What is the best open-source alternative to Docker?+

Podman and Colima are open source. Podman: Daemonless containers with a Docker-compatible CLI.

Open source: OSI-approved license. Free to self-host: the code is public and free to run yourself, with limits in the license.