head to head · open source
Hoppscotch vs Scalar
Hoppscotch has 80,724 GitHub stars, 6,225 forks, 820 open issues and last shipped 3 days ago. Scalar has 16,364 stars, 964 forks, 75 open issues and last shipped yesterday. Hoppscotch leads on adoption by 393% (80,724 vs 16,364 stars). Hoppscotch is written in TypeScript under MIT; Scalar is written in TypeScript under MIT. Hoppscotch has attracted 8% as many forks as stars, Scalar 6%. Scalar was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 4 topic tags (api, api-client, http-client, 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.
← all 20902 open source comparisons
Side by side
| Hoppscotch | Scalar | |
|---|---|---|
| GitHub stars | ★ 81K | ★ 16K |
| License | MIT | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-10-31 | 2026-11-02 |
| Forks | ⑂ 6.2K | ⑂ 964 |
| 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 Scalar if
- You want the Scalar feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and Scalar 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 Scalar
Scalar Interactive API Reference from OpenAPI/Swagger └ Renders OpenAPI/Swagger documents └ Comes with an API testing tool └ Doesn't look like 2011 └ Generates code examples for many languages & frameworks └ Integrates with your favorite framework └ Try Demo An offline first API Client built for OpenAPI └ Free and open source └ First class OpenAPI/Swagger support └ Integrates with dozens of API Frameworks (Elysia, Hono, FastAPI, etc) └ Syncs with your favorite server framework (Watch Mode) └ Has environment variables, dynamic parameters and everything └ Try It in the Browser └ Download (Windows, MacOS, Linux)…
read the full Scalar overview →
More in Developer Tools
Related comparisons
More API Development & Testing projects
Compare either of these against the rest of the API Development & Testing field.
Frequently asked questions
Is Hoppscotch or Scalar more popular?
Hoppscotch has 80,724 GitHub stars and Scalar has 16,364. Hoppscotch has the larger community by that measure.
Are Hoppscotch and Scalar free?
Both are open source. Hoppscotch is licensed under MIT and Scalar under MIT. Neither carries a licence fee.
What is the difference between Hoppscotch and Scalar?
Hoppscotch is written in TypeScript and Scalar 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 Scalar?
Choose Hoppscotch if you want the larger community (80,724 stars) or its MIT licence terms. Choose Scalar if its feature set, stack or MIT licence fits better. Both are self-hostable.