head to head · open source
Hoppscotch vs openapi-typescript-codegen
Hoppscotch has 80,336 GitHub stars, 6,112 forks, 820 open issues and last shipped 2 days ago. openapi-typescript-codegen has 3,369 stars, 546 forks, 213 open issues and last shipped 6 days ago. Hoppscotch leads on adoption by 2,285% (80,336 vs 3,369 stars). Hoppscotch is written in TypeScript under MIT; openapi-typescript-codegen is written in TypeScript under MIT. Hoppscotch has attracted 8% as many forks as stars, openapi-typescript-codegen 16%. 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 | openapi-typescript-codegen | |
|---|---|---|
| GitHub stars | ★ 80K | ★ 3.4K |
| License | MIT | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-16 | 2026-09-12 |
| Forks | ⑂ 6.1K | ⑂ 546 |
| 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 openapi-typescript-codegen if
- You want the openapi-typescript-codegen feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and openapi-typescript-codegen 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 openapi-typescript-codegen
Important announcement [!IMPORTANT] Please migrate your projects to use @hey api/openapi ts Due to time limitations on my end, this project has been unmaintained for a while now. The @hey api/openapi ts project started as a fork with the goal to resolve the most pressing issues. going forward they are planning to maintain the OpenAPI generator and give it the love it deserves. Please support them with their work and make sure to migrate your projects: All open PR's and issues will be archived on the 1st of May 2024 All versions of this package will be deprecated in NPM 👋 Thanks for all the support, downloads and…
read the full openapi-typescript-codegen overview →
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Frequently asked questions
Is Hoppscotch or openapi-typescript-codegen more popular?
Hoppscotch has 80,336 GitHub stars and openapi-typescript-codegen has 3,369. Hoppscotch has the larger community by that measure.
Are Hoppscotch and openapi-typescript-codegen free?
Both are open source. Hoppscotch is licensed under MIT and openapi-typescript-codegen under MIT. Neither carries a licence fee.
What is the difference between Hoppscotch and openapi-typescript-codegen?
Hoppscotch is written in TypeScript and openapi-typescript-codegen 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 openapi-typescript-codegen?
Choose Hoppscotch if you want the larger community (80,336 stars) or its MIT licence terms. Choose openapi-typescript-codegen if its feature set, stack or MIT licence fits better. Both are self-hostable.