What is Cucumber Js used for?

Cucumber Js is a tool for running automated acceptance tests written in plain language, readable by anyone on the team. It is a good fit for automated acceptance testing and Behaviour-Driven Development.

Is Cucumber Js open source?

Yes. Cucumber Js is open source under the MIT licence. Its source code is on GitHub at cucumber/cucumber-js and is written mainly in TypeScript.

Yes. Cucumber Js is open source, so the software itself is free to use.

Can I self-host Cucumber Js?

Yes. Cucumber Js can be self-hosted on your own server or infrastructure.

What is Cucumber Js an alternative to?

Cucumber Js is an open-source alternative to Katalon, testRigor and Parasoft. Other open-source alternatives to Katalon include Robot Framework, Playwright and Appium.

Is Cucumber Js actively maintained?

Yes. The most recent commit to Cucumber Js was on 13 October 2026, and the latest release is v13.3.0, published on 5 October 2026. The project has 5.4k stars on GitHub.

Cucumber Js: open-source alternative to Katalon, testRigor

About Cucumber Js

Cucumber is a tool for running automated acceptance tests. Tests are written in plain language so they can be read by anyone on the team, improving communication, collaboration and trust.

Cucumber was built to support Behaviour-Driven Development (BDD). It is available for JavaScript and over 20 other platforms.

Key features

Tests written in plain language
Readable by anyone on the team
Supports Behaviour-Driven Development (BDD)
Available for JavaScript and 20+ other platforms

Good fit for

Automated acceptance testing
Behaviour-Driven Development

Built with: TypeScript tools; JavaScript tools
Tags: testing; bdd; acceptance-testing; javascript; plain-language

Cucumber Js: questions and answers

What is Cucumber Js used for?: Cucumber Js is a tool for running automated acceptance tests written in plain language, readable by anyone on the team. It is a good fit for automated acceptance testing and Behaviour-Driven Development.
Is Cucumber Js open source?: Yes. Cucumber Js is open source under the MIT licence. Its source code is on GitHub at cucumber/cucumber-js and is written mainly in TypeScript.
Is Cucumber Js free?: Yes. Cucumber Js is open source, so the software itself is free to use.
Can I self-host Cucumber Js?: Yes. Cucumber Js can be self-hosted on your own server or infrastructure.
What is Cucumber Js an alternative to?: Cucumber Js is an open-source alternative to Katalon, testRigor and Parasoft. Other open-source alternatives to Katalon include Robot Framework, Playwright and Appium.
Is Cucumber Js actively maintained?: Yes. The most recent commit to Cucumber Js was on 13 October 2026, and the latest release is v13.3.0, published on 5 October 2026. The project has 5.4k stars on GitHub.