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Moon

Moon is a commercial browser automation cluster from Aerokube that runs Selenium, Playwright and Cypress sessions in Kubernetes pods, with up to 4 parallel sessions free.

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Introduction

Moon, from Aerokube, runs browser sessions inside Kubernetes. Each session gets its own pod with a fresh browser, and the product page describes it as an ‘unlimited cluster for Selenium, Playwright and Cypress’.

Aerokube is known for Selenoid and Ggr, open-source Selenium tools that are now archived on GitHub (December 2024). Moon is Aerokube’s commercial, Kubernetes-native successor and is still sold. The page says Moon lets you run 4 sessions for free, and paid licences are priced per parallel session.

Moon provides a UI for watching live sessions, video recording and logs. Selenide documents a selenide-moon plugin.

In the quality loop it is self-hosted browser infrastructure for end-to-end tests on Kubernetes.

Features

  1. Pod per session: Clean, isolated browsers.
  2. Multiple frameworks: Selenium, Playwright and Cypress.
  3. Kubernetes native: Scales with your cluster.
  4. Session UI: Watch sessions live, with video and logs.
  5. Free tier: Up to 4 parallel sessions.

Pros

  1. Isolation: Fresh browser per test reduces cross-test pollution.

Cons

  1. Kubernetes required: Needs a cluster to run.
  2. Small vendor: Licences are bought directly from Aerokube by email; check support terms.
  3. Open-source siblings archived: Selenoid and Ggr are no longer maintained.

Install Moon into a Kubernetes cluster with the vendor’s Helm chart (see the Moon docs), then point WebDriver or Playwright at the Moon endpoint, for example http://moon.example.com/wd/hub.

Resources:

Pricing

4 parallel sessions free; paid licences listed at $5 per parallel session (contact sales@aerokube.com to buy). See site.

  1. Teams with Kubernetes that want isolated browser sessions in-house.
  2. Not a fit without a Kubernetes cluster.

Conclusion

Moon is a Kubernetes-native alternative to Selenium Grid with a usable free tier.

On CheckOps, Moon is filed under the End-to-end & functional stage. Related tools listed here include Selenium Grid, Docker Selenium, Browserless, BrowserStack, Sauce Labs and LambdaTest. Before choosing, compare them on licence, supported languages and platforms, hosting model, and how well each fits your existing CI pipeline. Facts on this page were checked against the official website, documentation and repository on 11 November 2026; statements the vendor makes about its own product are marked as vendor claims.

Alternatives

Other tools on CheckOps that cover similar ground. Open a page, or compare one with Moon side by side.