head to head · open source
Hoppscotch vs schemathesis
Hoppscotch has 80,331 GitHub stars, 6,110 forks, 820 open issues and last shipped 2 days ago. schemathesis has 3,608 stars, 224 forks, 7 open issues and last shipped yesterday. Hoppscotch leads on adoption by 2,126% (80,331 vs 3,608 stars). Hoppscotch is written in TypeScript under MIT; schemathesis is written in Python under MIT. Hoppscotch has attracted 8% as many forks as stars, schemathesis 6%. schemathesis was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (api, api-testing, graphql), 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 | schemathesis | |
|---|---|---|
| GitHub stars | ★ 80K | ★ 3.6K |
| License | MIT | MIT |
| Written in | TypeScript | Python |
| Last push | 2026-09-16 | 2026-09-17 |
| Forks | ⑂ 6.1K | ⑂ 224 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Hoppscotch if
- You weight community size — 80K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick schemathesis if
- You want the schemathesis feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and schemathesis fits your workflow better
About Hoppscotch
Hoppscotch is an open source API development ecosystem that provides a full featured client for designing, testing, and documenting APIs. It operates as a web based application, desktop app, and CLI tool, supporting offline, on premises, and cloud deployments. Built with TypeScript and licensed under MIT, it serves as a direct open source alternative to proprietary tools like Postman and Insomnia.
read the full Hoppscotch overview →
About schemathesis
Schemathesis is a Python API testing tool that generates test inputs from OpenAPI and GraphQL schemas. It adapts to server responses, chains operations into realistic workflows, and checks whether the API behaves as documented. The project lives in the Python developer tools ecosystem and connects with pytest, unittest, and property based testing workflows.
read the full schemathesis overview →
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Frequently asked questions
Is Hoppscotch or schemathesis more popular?
Hoppscotch has 80,331 GitHub stars and schemathesis has 3,608. Hoppscotch has the larger community by that measure.
Are Hoppscotch and schemathesis free?
Both are open source. Hoppscotch is licensed under MIT and schemathesis under MIT. Neither carries a licence fee.
What is the difference between Hoppscotch and schemathesis?
Hoppscotch is written in TypeScript and schemathesis in Python. 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 schemathesis?
Choose Hoppscotch if you want the larger community (80,331 stars) or its MIT licence terms. Choose schemathesis if its feature set, stack or MIT licence fits better. Both are self-hostable.