Most-downloaded JavaScript testing tools
Ranked by Weekly downloads · 30 ranked · updated 2026-10-28
| # | Name | Weekly downloads | Change |
|---|---|---|---|
| 1 | chai | 161.77 million | new |
| 2 | vitest | 141.71 million | new |
| 3 | playwright | 128.04 million | new |
| 4 | @playwright/test | 86.38 million | new |
| 5 | @testing-library/jest-dom | 78.56 million | new |
| 6 | @testing-library/react | 75.58 million | new |
| 7 | @testing-library/user-event | 67.91 million | new |
| 8 | jest | 50.8 million | new |
| 9 | storybook | 28.66 million | new |
| 10 | msw | 26.2 million | new |
Show positions 11–30
| 11 | @storybook/react | 26 million | new |
| 12 | supertest | 21.47 million | new |
| 13 | mocha | 12.88 million | new |
| 14 | puppeteer | 12.53 million | new |
| 15 | sinon | 11.99 million | new |
| 16 | nyc | 8.21 million | new |
| 17 | nock | 7.09 million | new |
| 18 | cypress | 6.51 million | new |
| 19 | c8 | 4.43 million | new |
| 20 | karma | 3.18 million | new |
| 21 | webdriverio | 2.57 million | new |
| 22 | selenium-webdriver | 1.8 million | new |
| 23 | jasmine | 1.19 million | new |
| 24 | tape | 0.86 million | new |
| 25 | istanbul | 0.78 million | new |
| 26 | ava | 0.65 million | new |
| 27 | detox | 0.48 million | new |
| 28 | qunit | 0.43 million | new |
| 29 | testcafe | 0.19 million | new |
| 30 | nightwatch | 0.17 million | new |
Rank history
Positions of today's top 10 across every published snapshot.
History appears once this list has at least two published snapshots.