head to head · open source
Hoppscotch vs swagger-core
Hoppscotch has 80,724 GitHub stars, 6,225 forks, 820 open issues and last shipped 3 days ago. swagger-core has 7,534 stars, 2,255 forks, 197 open issues and last shipped 6 days ago. Hoppscotch leads on adoption by 971% (80,724 vs 7,534 stars). Hoppscotch is written in TypeScript under MIT; swagger-core is written in Java under Apache-2.0. Hoppscotch has attracted 8% as many forks as stars, swagger-core 30%. Hoppscotch was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (rest, rest-api), 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 | swagger-core | |
|---|---|---|
| GitHub stars | ★ 81K | ★ 7.5K |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | Java |
| Last push | 2026-10-31 | 2026-10-28 |
| Forks | ⑂ 6.2K | ⑂ 2.3K |
| 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 swagger-core if
- You want the swagger-core feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and swagger-core 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 swagger-core
Swagger Core NOTE: If you're looking for Swagger Core 1.5.X and OpenAPI 2.0, please refer to 1.5 branch. NOTE: Since version 2.1.7, Swagger Core also supports the Jakarta namespace. There are a parallel set of artifacts with the jakarta suffix, providing the same functionality as the unsuffixed (i.e.: javax ) artifacts. Please see the Wiki for more details. NOTE: Since version 2.2.0 Swagger Core supports OpenAPI 3.1; see this page for details Swagger Core is a Java implementation of the OpenAPI Specification. Current version supports JAX RS2 ( javax and jakarta namespaces). Get started with Swagger Core! See the…
read the full swagger-core overview →
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Frequently asked questions
Is Hoppscotch or swagger-core more popular?
Hoppscotch has 80,724 GitHub stars and swagger-core has 7,534. Hoppscotch has the larger community by that measure.
Are Hoppscotch and swagger-core free?
Both are open source. Hoppscotch is licensed under MIT and swagger-core under Apache-2.0. Neither carries a licence fee.
What is the difference between Hoppscotch and swagger-core?
Hoppscotch is written in TypeScript and swagger-core in Java. 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 swagger-core?
Choose Hoppscotch if you want the larger community (80,724 stars) or its MIT licence terms. Choose swagger-core if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.