head to head · open source
Hoppscotch vs zod-to-openapi
Hoppscotch has 80,724 GitHub stars, 6,225 forks, 820 open issues and last shipped 3 days ago. zod-to-openapi has 1,635 stars, 107 forks, 39 open issues and last shipped 1 months ago. Hoppscotch leads on adoption by 4,837% (80,724 vs 1,635 stars). Hoppscotch is written in TypeScript under MIT; zod-to-openapi is written in TypeScript under MIT. Hoppscotch has attracted 8% as many forks as stars, zod-to-openapi 7%. 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 | zod-to-openapi | |
|---|---|---|
| GitHub stars | ★ 81K | ★ 1.6K |
| License | MIT | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-10-31 | 2026-10-02 |
| Forks | ⑂ 6.2K | ⑂ 107 |
| 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 zod-to-openapi if
- You want the zod-to-openapi feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and zod-to-openapi 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 zod-to-openapi
Zod to OpenAPI [!IMPORTANT] For Zod v3 support, please use the v7.3.4 version. However keep in mind that we do not intend to actively support that version going forward Install with: npm install @asteasolutions/zod to openapi@7.3.4 A library that uses zod schemas to generate an Open API Swagger documentation. 1. Purpose and quick example 2. Usage 1. Installation 2. The openapi method 3. The Registry 4. The Generator 5. Defining schemas 6. Defining routes & webhooks 7. Defining custom components 8. A full example 9. Adding it as part of your build 10. Using schemas vs a registry 11. Generation options 3. Zod…
read the full zod-to-openapi overview →
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Frequently asked questions
Is Hoppscotch or zod-to-openapi more popular?
Hoppscotch has 80,724 GitHub stars and zod-to-openapi has 1,635. Hoppscotch has the larger community by that measure.
Are Hoppscotch and zod-to-openapi free?
Both are open source. Hoppscotch is licensed under MIT and zod-to-openapi under MIT. Neither carries a licence fee.
What is the difference between Hoppscotch and zod-to-openapi?
Hoppscotch is written in TypeScript and zod-to-openapi 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 zod-to-openapi?
Choose Hoppscotch if you want the larger community (80,724 stars) or its MIT licence terms. Choose zod-to-openapi if its feature set, stack or MIT licence fits better. Both are self-hostable.