A framework for web testing and automation.

Vitest
vitest-dev/vitest
A testing framework powered by Vite.
- Active
- MIT
- TypeScript

In short
Vitest is a GitHub project in the Testing category, written mainly in TypeScript. It is released under the MIT licence (permissive). Maintenance status: active, last commit 11 Nov 2026. It has 17,362 GitHub stars.
What it does
Maintenance
Active Commits in the last 30 days. Last commit: 11 Nov 2026 · Latest release: v5.1.0 · 2 Nov 2026. How we score this
Licence in plain words
Use, copy, modify and sell it, including in closed-source products. Keep the copyright and licence notice.
A summary, not legal advice. Read the project's LICENSE file before relying on it. SPDX ↗
Vitest compared with alternatives
| Project | Stars | Licence | Status | Last commit |
|---|---|---|---|---|
| Playwright | 99.8k | Apache-2.0 | Active | 11 Nov 2026 |
| Cypress | 51k | MIT | Active | 11 Nov 2026 |
| k6 | 32.3k | AGPL-3.0 | Active | 11 Nov 2026 |
| Vitest (this page) | 17.4k | MIT | Active | 11 Nov 2026 |
Same category, sorted by GitHub stars. Numbers checked 11 Nov 2026.
Questions
Is Vitest free and open source?
Yes. Vitest is published on GitHub under the MIT licence (permissive). Use, copy, modify and sell it, including in closed-source products. Keep the copyright and licence notice.
Is Vitest still maintained?
Active: the last commit was on 11 Nov 2026 and the latest release, v5.1.0, came out on 2 Nov 2026. Repoworthy rechecks this daily.
What is Vitest written in?
Vitest is mainly written in TypeScript.
How popular is Vitest?
As of 11 Nov 2026, Vitest has 17,362 GitHub stars, 2,150 forks and 458 contributors.
What are some alternatives to Vitest?
Other Testing projects on Repoworthy include Playwright, Cypress and k6.
Alternatives in Testing
Testing →Numbers from the GitHub API, checked 11 Nov 2026. Text summarised from the project's README. Spotted something wrong? Tell us.