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Jest

JavaScript testing framework

Reviewed byRoman K· 2026-06-27

About

Delightful JavaScript testing. Snapshots, mocking, coverage. Meta's test framework.

unit-testingsnapshotsmockingcoverage

Metrics

45.5k
GitHub Stars
6.7k
Forks
44.6M
npm Downloads/wk
229
Open Issues

More in Testing

Frequently asked questions

What is Jest?

Delightful JavaScript testing. Snapshots, mocking, coverage. Meta's test framework. It falls under the testing category and uses a open-source pricing model. The project is actively maintained with 45.5k GitHub stars.

Is Jest free?

Yes, Jest offers a free plan that you can use without a credit card. The pricing model is open-source.

How much does Jest cost?

Jest is free to start. It uses a open-source pricing model. A free plan is available for small projects or evaluation. Check https://jestjs.io for the latest pricing details and plan comparison.

What category is Jest in?

Jest is a testing tool. E2E testing, unit testing, QA automation You can compare Jest with 1 alternatives in the same category on Soft.xyz.

Is Jest open source?

Yes, Jest is open source and freely available on GitHub. It has 45.5k stars and 6.7k forks, with the last commit on 2026-06-27. You can inspect the source code, contribute, or self-host it.

What are alternatives to Jest?

Popular alternatives to Jest include Vitest. Each offers different pricing, features, and community support. You can compare them side-by-side on Soft.xyz using real metrics like GitHub stars, npm downloads, and actual pricing data.

How popular is Jest?

Jest has 45.5k stars on GitHub and 44.6M weekly npm downloads. This places it among the most popular tools in its category. The project was last updated on 2026-06-27.