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Testing

3 repos

Vite-native unit test runner. ~13k stars. Faster than Jest, compatible API. Default for new Vite-based projects in 2026.

Testing
You are starting a new project on Vite or modernizing from Jest.
You are deep in a Jest codebase and migration cost is high — Jest still works.
vitest-dev/vitestView
bymicrosoft
playwright

End-to-end browser testing. ~65k stars. Beat Cypress on speed, parallelism, and multi-browser support. Default for E2E testing in 2026.

Testing
You are writing E2E tests for a web app.
You only need unit tests — use Vitest.
microsoft/playwrightView
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