head to head · open source
Hoppscotch vs kubb
Hoppscotch has 80,336 GitHub stars, 6,112 forks, 820 open issues and last shipped 3 days ago. kubb has 1,802 stars, 147 forks, 6 open issues and last shipped yesterday. Hoppscotch leads on adoption by 4,358% (80,336 vs 1,802 stars). Hoppscotch is written in TypeScript under MIT; kubb is written in TypeScript under MIT. Hoppscotch has attracted 8% as many forks as stars, kubb 8%. kubb 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 | kubb | |
|---|---|---|
| GitHub stars | ★ 80K | ★ 1.8K |
| License | MIT | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-16 | 2026-09-18 |
| Forks | ⑂ 6.1K | ⑂ 147 |
| 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 kubb if
- You want the kubb feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and kubb 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 kubb
Kubb is an MIT licensed TypeScript meta framework for code generation that turns an OpenAPI schema into type safe TypeScript types, HTTP clients, data fetching hooks, validators, and mocks for front end and full stack developers.
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Frequently asked questions
Is Hoppscotch or kubb more popular?
Hoppscotch has 80,336 GitHub stars and kubb has 1,802. Hoppscotch has the larger community by that measure.
Are Hoppscotch and kubb free?
Both are open source. Hoppscotch is licensed under MIT and kubb under MIT. Neither carries a licence fee.
What is the difference between Hoppscotch and kubb?
Hoppscotch is written in TypeScript and kubb 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 kubb?
Choose Hoppscotch if you want the larger community (80,336 stars) or its MIT licence terms. Choose kubb if its feature set, stack or MIT licence fits better. Both are self-hostable.