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KIWI NG vs Nixpacks

Both stand on container build tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

KIWI NG

Free plan LinuxSelf-hosted

Choose KIWI NG if you need a free, licensed tool for producing reproducible Linux images from descriptions and package repositories. It can create several artifact types and supports multiple architectures. You will need a suitable Linux build host and enough disk space; QEMU is optional for booting and inspecting images.

Visit KIWI NG

Nixpacks

Free plan LinuxMacSelf-hosted+1

Nixpacks provides configurable, provider-driven image builds with Docker and reusable plans. Its maintenance status and single-architecture build limit should shape decisions about new deployments.

Visit Nixpacks

The facts

KIWI NGNixpacks
Free planYesYes
Open sourceNot publishedNot published
Runs onLinux, Self-hostedLinux, Mac, Self-hosted, Windows
Lowest paid planFree or on requestNot published
Plans published1None
MakerNot publishedNot published
Websiteosinside.github.ionixpacks.com
On container build tools#18 of 34#22 of 34

KIWI NG: what it does well

  • Creates disk, ISO, and container artifacts from a prepared root tree.
  • Image descriptions define packages, users, repositories, and storage.
  • Supports multiple architectures and daemonless builds.
  • Customizes builds with overlays, archives, scripts, and CA certificates.
  • Free under the GPL-3.0 license.

What to know first

  • Requires a recent Linux build host, Python 3.9 or newer, and Git.
  • At least 15 GB of free disk space is recommended.
  • A build host near the target distribution and major version is recommended.

Nixpacks: what it does well

  • Open-source and free
  • Detects multiple programming languages
  • Supports customizable packages and commands
  • Offers reusable build plans
  • Available on major desktop platforms

What to know first

  • Project is in maintenance mode
  • Docker is required
  • One build cannot produce multiple architectures
  • Railpack is the recommended replacement

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