head to head · open source
Hoppscotch vs Yaak
Hoppscotch has 80,331 GitHub stars, 6,110 forks, 820 open issues and last shipped 2 days ago. Yaak has 19,224 stars, 813 forks, 19 open issues and last shipped yesterday. Hoppscotch leads on adoption by 318% (80,331 vs 19,224 stars). Hoppscotch is written in TypeScript under MIT; Yaak is written in TypeScript under MIT. Hoppscotch has attracted 8% as many forks as stars, Yaak 4%. Yaak was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (graphql, http, http-client), 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 | Yaak | |
|---|---|---|
| GitHub stars | ★ 80K | ★ 19K |
| License | MIT | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-16 | 2026-09-17 |
| Forks | ⑂ 6.1K | ⑂ 813 |
| 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 Yaak if
- You want the Yaak feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and Yaak 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 Yaak
Yaak is a desktop API client for REST, GraphQL, gRPC, WebSocket, and Server Sent Events. It is built with Tauri, Rust, and React, and it lives in the developer tools ecosystem for API development and testing. The project presents itself as an offline first, privacy first alternative to Postman, Insomnia, and Bruno.
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Frequently asked questions
Is Hoppscotch or Yaak more popular?
Hoppscotch has 80,331 GitHub stars and Yaak has 19,224. Hoppscotch has the larger community by that measure.
Are Hoppscotch and Yaak free?
Both are open source. Hoppscotch is licensed under MIT and Yaak under MIT. Neither carries a licence fee.
What is the difference between Hoppscotch and Yaak?
Hoppscotch is written in TypeScript and Yaak 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 Yaak?
Choose Hoppscotch if you want the larger community (80,331 stars) or its MIT licence terms. Choose Yaak if its feature set, stack or MIT licence fits better. Both are self-hostable.