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Galen Framework vs Puppeteer

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

Galen Framework

Free plan LinuxMacWindows

Galen combines specification-based responsive layout checks with visual comparisons and reviewable reports. Its manual setup and Java requirement are important considerations, particularly for Windows users.

Visit Galen Framework

Puppeteer

Free plan APIExtensionLinux+4

Puppeteer provides browser automation and capture tools for JavaScript projects, with Chrome and Firefox support. Its scope is a Node.js reference implementation rather than broad language bindings or large-scale orchestration.

Visit Puppeteer

The facts

Galen FrameworkPuppeteer
Free planYesYes
Open sourceNot publishedNot published
Runs onLinux, Mac, WindowsAPI, Extension, Linux, Mac, Self-hosted, Web, Windows
Lowest paid planFree or on requestFree or on request
Plans published11
MakerNot publishedNot published
Websitegalenframework.compptr.dev
On browser automation tools#18 of 63#22 of 63

Galen Framework: what it does well

  • Free under the Apache License, Version 2.0
  • Checks layouts against user-defined specifications
  • Supports JavaScript and Java tests
  • Reports include screenshots and misalignment highlights
  • Can run through Selenium Grid and listed cloud services

What to know first

  • Requires Java 1.8 or greater
  • Installation is manual
  • Windows has no installer
  • Windows setup requires adding galen.bat to PATH

Puppeteer: what it does well

  • Controls Chrome and Firefox.
  • Supports screenshots, PDFs, and performance traces.
  • Runs headless or with a visible browser.
  • Can load and test Chrome extensions.
  • Free and open source.

What to know first

  • Requires Node 22.12 or later.
  • puppeteer downloads Chrome during installation.
  • Broader language bindings are outside its scope.
  • Large-scale orchestration such as Selenium Grid is out of scope.

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