head to head · open source
Hoppscotch vs zod-to-openapi
Hoppscotch has 80,336 GitHub stars, 6,112 forks, 820 open issues and last shipped 3 days ago. zod-to-openapi has 1,619 stars, 103 forks, 39 open issues and last shipped 6 days ago. Hoppscotch leads on adoption by 4,862% (80,336 vs 1,619 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 6%. 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 | ★ 80K | ★ 1.6K |
| License | MIT | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-16 | 2026-09-13 |
| Forks | ⑂ 6.1K | ⑂ 103 |
| 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 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 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 zod-to-openapi
A TypeScript library from Astea Solutions that generates OpenAPI (Swagger) documentation directly from Zod schemas, for API developers and teams who already validate requests with Zod and do not want to maintain a second, hand written specification.
read the full zod-to-openapi overview →
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Frequently asked questions
Is Hoppscotch or zod-to-openapi more popular?
Hoppscotch has 80,336 GitHub stars and zod-to-openapi has 1,619. 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 (80,336 stars) or its MIT licence terms. Choose zod-to-openapi if its feature set, stack or MIT licence fits better. Both are self-hostable.