head to head · open source
selenium vs vitest
selenium has 34,499 GitHub stars, 8,718 forks, 188 open issues and last shipped yesterday. vitest has 17,124 stars, 2,008 forks, 425 open issues and last shipped yesterday. selenium leads on adoption by 101% (34,499 vs 17,124 stars). selenium is written in Java under Apache-2.0; vitest is written in TypeScript under MIT. selenium has attracted 25% as many forks as stars, vitest 12%. selenium was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| selenium | vitest | |
|---|---|---|
| GitHub stars | ★ 34K | ★ 17K |
| License | Apache-2.0 | MIT |
| Written in | Java | TypeScript |
| Last push | 2026-09-18 | 2026-09-18 |
| Forks | ⑂ 8.7K | ⑂ 2.0K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick selenium if
- You weight community size — 34K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Java
- You value the larger contributor base for long-term maintenance
pick vitest if
- You want the vitest feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and vitest fits your workflow better
About selenium
Selenium is a browser automation framework and ecosystem — an umbrella project providing infrastructure for the W3C WebDriver specification, a platform and language neutral coding interface for driving all major web browsers — aimed at developers and quality engineers who automate browser behaviour from Java, .NET, JavaScript, Python, Ruby, or Rust.
read the full selenium overview →
About vitest
Vitest is a next generation JavaScript and TypeScript testing framework powered by Vite, built for teams already running Vite who want Jest compatible tests without maintaining a second, separate build pipeline.
read the full vitest overview →
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Frequently asked questions
Is selenium or vitest more popular?
selenium has 34,499 GitHub stars and vitest has 17,124. selenium has the larger community by that measure.
Are selenium and vitest free?
Both are open source. selenium is licensed under Apache-2.0 and vitest under MIT. Neither carries a licence fee.
What is the difference between selenium and vitest?
selenium is written in Java and vitest in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, selenium or vitest?
Choose selenium if you want the larger community (34,499 stars) or its Apache-2.0 licence terms. Choose vitest if its feature set, stack or MIT licence fits better. Both are self-hostable.