The leading open-source framework for mobile app automation. Appium is cross-platform, supporting both iOS and Android native and hybrid applications.

The subscription period ended, or the manually set trial date passed.

The official Katalon forum is an invaluable free resource. If you are a paid KSE user, you can find detailed, step-by-step guides for offline activation, as well as troubleshooting advice for common errors. For instance, a community thread on offline activation outlines the exact process: download the Enterprise installer, generate a request file on the offline VM, activate it online, and then import the response file back to the VM.

: Preventing runtime license validation failures. Official Katalon Enterprise Offline Activation

Once activated, you can continue your work on the offline machine as usual. This is the standard, supported, and best practice for offline activation.

Given the limitations and costs associated with offline activation, many developers and QA teams are turning to free, open-source alternatives that offer and fully offline operation without any licensing restrictions. These alternatives are often more powerful, faster, and more flexible than Katalon for teams comfortable with coding.

Do you need help for your Runtime Engine or configuring a proxy for restricted network environments?

However, there is a for free offline usage:

: On a machine with internet access, sign in to Katalon TestOps .

"Free best" for offline activation does not exist legitimately. Any claim of a "crack" or "patch" would be illegal and risky (malware, unstable, no updates).

If your team absolutely requires a completely free, open-source automation framework capable of running in an air-gapped environment indefinitely, consider these alternatives that do not utilize cloud-based licensing models: