head to head · open source
Hoppscotch vs openapi-generator-cli
Hoppscotch has 80,724 GitHub stars, 6,225 forks, 820 open issues and last shipped 3 days ago. openapi-generator-cli has 1,991 stars, 212 forks, 71 open issues and last shipped yesterday. Hoppscotch leads on adoption by 3,954% (80,724 vs 1,991 stars). Hoppscotch is written in TypeScript under MIT; openapi-generator-cli is written in TypeScript under Apache-2.0. Hoppscotch has attracted 8% as many forks as stars, openapi-generator-cli 11%. openapi-generator-cli 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-generator-cli | |
|---|---|---|
| GitHub stars | ★ 81K | ★ 2.0K |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-10-31 | 2026-11-02 |
| Forks | ⑂ 6.2K | ⑂ 212 |
| 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 openapi-generator-cli if
- You want the openapi-generator-cli 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 openapi-generator-cli 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 openapi-generator-cli
@openapitools/openapi generator cli OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (both 2.0 and 3.0 are supported). Please see OpenAPITools/openapi generator. The OpenAPI Generator is a Java project. openapi generator cli will download the appropriate JAR file and invoke the java executable to run the OpenAPI Generator. You must have the java binary executable available on your PATH for this to work. (JDK 11 is the minimal version supported. To install OpenJDK, please visit If you find this tool…
read the full openapi-generator-cli overview →
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Frequently asked questions
Is Hoppscotch or openapi-generator-cli more popular?
Hoppscotch has 80,724 GitHub stars and openapi-generator-cli has 1,991. Hoppscotch has the larger community by that measure.
Are Hoppscotch and openapi-generator-cli free?
Both are open source. Hoppscotch is licensed under MIT and openapi-generator-cli under Apache-2.0. Neither carries a licence fee.
What is the difference between Hoppscotch and openapi-generator-cli?
Hoppscotch is written in TypeScript and openapi-generator-cli 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-generator-cli?
Choose Hoppscotch if you want the larger community (80,724 stars) or its MIT licence terms. Choose openapi-generator-cli if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.