head to head · open source
Hoppscotch vs serenity-js
Hoppscotch has 80,724 GitHub stars, 6,225 forks, 820 open issues and last shipped 3 days ago. serenity-js has 621 stars, 153 forks, 88 open issues and last shipped 4 days ago. Hoppscotch leads on adoption by 12,899% (80,724 vs 621 stars). Hoppscotch is written in TypeScript under MIT; serenity-js is written in TypeScript under Apache-2.0. Hoppscotch has attracted 8% as many forks as stars, serenity-js 25%. Hoppscotch was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (api-testing), so they are genuine substitutes rather than adjacent tools.
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
| Hoppscotch | serenity-js | |
|---|---|---|
| GitHub stars | ★ 81K | ★ 621 |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-10-31 | 2026-10-30 |
| Forks | ⑂ 6.2K | ⑂ 153 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Hoppscotch if
- You weight community size — 81K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick serenity-js if
- You want the serenity-js feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and serenity-js fits your workflow better
About Hoppscotch
Hoppscotch Open Source API Development Ecosystem Built with ❤︎ by contributors We highly recommend you take a look at the Hoppscotch Documentation to learn more about the app. Support Features ❤️ Lightweight: Crafted with minimalistic UI design. ⚡️ Fast: Send requests and get responses in real time. 🗄️ HTTP Methods: Request methods define the type of action you are requesting to be performed. GET Requests retrieve resource information POST The server creates a new entry in a database PUT Updates an existing resource PATCH Very similar to PUT but makes a partial update on a resource DELETE Deletes resource or…
read the full Hoppscotch overview →
About serenity-js
Serenity/JS A TypeScript native test automation framework that gives your Playwright Test, WebdriverIO, or Cucumber test suite the architecture it needs to scale. Website · Getting Started · Handbook · API Docs · Community What a Serenity/JS test looks like Tests read like specifications. Each Task ( Authenticate , Inventory , Checkout ) is reusable across scenarios, test runners, and integration tools. See the full implementation → Note: The username and password above are public demo values from saucedemo.com. In real projects, use environment variables or a secrets manager. Why Serenity/JS? → See the same…
read the full serenity-js overview →
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Frequently asked questions
Is Hoppscotch or serenity-js more popular?
Hoppscotch has 80,724 GitHub stars and serenity-js has 621. Hoppscotch has the larger community by that measure.
Are Hoppscotch and serenity-js free?
Both are open source. Hoppscotch is licensed under MIT and serenity-js under Apache-2.0. Neither carries a licence fee.
What is the difference between Hoppscotch and serenity-js?
Hoppscotch is written in TypeScript and serenity-js 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, Hoppscotch or serenity-js?
Choose Hoppscotch if you want the larger community (80,724 stars) or its MIT licence terms. Choose serenity-js if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.