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    5. Kamal
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    Added 6/24/2026

    Kamal

    Deploy containerized apps to your own servers

    Kamal is profiled here as a DevOps tool for engineering teams. Read about features, pricing, and how it compares to related options in the tools directory.

    DevOpsDeploymentOpen Source
    Visit WebsiteGitHub

    Description

    Kamal is an open-source deployment tool from 37signals, the company behind Basecamp, written to move applications onto plain servers without a managed platform. It builds a container, ships it to one or more hosts over SSH, and cuts traffic over through its proxy with zero-downtime health checks. 37signals built Kamal to run its own products off the public cloud, and it works against any server with SSH access. The bundled proxy renews TLS certificates automatically and supports rolling deploys across several hosts, turning a plain server into a deploy target.

    Key Capabilities:

    • Zero-downtime container deployment over SSH

    • Built-in reverse proxy with automatic SSL through Let's Encrypt

    • Rolling releases across multiple hosts

    • Instant rollback to the previous container version

    • Secret and environment management per deployment

    • Provider-agnostic execution on any SSH-accessible server under MIT

    Alternative tools

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    • Porter

      Platform-as-a-service that runs in your own cloud account

    • SeaweedFS

      Fast distributed file and object store you run yourself

    • Ansible

      Agentless automation for configuration and provisioning

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