head to head · open source
Hoppscotch vs mockttp
Hoppscotch has 80,724 GitHub stars, 6,225 forks, 820 open issues and last shipped 3 days ago. mockttp has 888 stars, 117 forks, 40 open issues and last shipped 5 days ago. Hoppscotch leads on adoption by 8,991% (80,724 vs 888 stars). Hoppscotch is written in TypeScript under MIT; mockttp is written in TypeScript under Apache-2.0. Hoppscotch has attracted 8% as many forks as stars, mockttp 13%. Hoppscotch 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
| Hoppscotch | mockttp | |
|---|---|---|
| GitHub stars | ★ 81K | ★ 888 |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-10-31 | 2026-10-29 |
| Forks | ⑂ 6.2K | ⑂ 117 |
| 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 mockttp if
- You want the mockttp 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 mockttp 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 mockttp
Mockttp Part of HTTP Toolkit: powerful tools for building, testing & debugging HTTP(S) Mockttp lets you intercept, transform or test HTTP requests & responses in JavaScript quickly, reliably & anywhere. You can use Mockttp for integration testing, by intercepting real requests as part of your test suite, or you can use Mockttp to build custom HTTP proxies that capture, inspect and/or rewrite HTTP in any other kind of way you like. HTTP testing is the most common and well supported use case. There's a lot of tools to test HTTP, but typically by stubbing the HTTP functions in process at the JS level. That ties you…
read the full mockttp overview →
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Frequently asked questions
Is Hoppscotch or mockttp more popular?
Hoppscotch has 80,724 GitHub stars and mockttp has 888. Hoppscotch has the larger community by that measure.
Are Hoppscotch and mockttp free?
Both are open source. Hoppscotch is licensed under MIT and mockttp under Apache-2.0. Neither carries a licence fee.
What is the difference between Hoppscotch and mockttp?
Hoppscotch is written in TypeScript and mockttp 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 mockttp?
Choose Hoppscotch if you want the larger community (80,724 stars) or its MIT licence terms. Choose mockttp if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.