head to head · open source
Hoppscotch vs Voiden
Hoppscotch has 80,331 GitHub stars, 6,110 forks, 820 open issues and last shipped 2 days ago. Voiden has 1,755 stars, 80 forks, 38 open issues and last shipped 7 days ago. Hoppscotch leads on adoption by 4,477% (80,331 vs 1,755 stars). Hoppscotch is written in TypeScript under MIT; Voiden is written in TypeScript under Apache-2.0. Hoppscotch has attracted 8% as many forks as stars, Voiden 5%. Hoppscotch was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (api-client, graphql, 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 | Voiden | |
|---|---|---|
| GitHub stars | ★ 80K | ★ 1.8K |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-16 | 2026-09-11 |
| Forks | ⑂ 6.1K | ⑂ 80 |
| 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 Voiden if
- You want the Voiden 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 Voiden 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 Voiden
Voiden is an offline, Git native API workspace built with Electron, TypeScript, and JavaScript. It lets developers, QA engineers, and technical writers design, test, document, and collaborate on APIs using plain text .void files. The project lives in the API development and testing ecosystem, and its topics describe it as an alternative to Bruno and Insomnia. It supports REST, GraphQL, gRPC, and WebSockets through plugins, and it imports collections from Postman, Insomnia, and Swagger or OpenAPI.
read the full Voiden overview →
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Frequently asked questions
Is Hoppscotch or Voiden more popular?
Hoppscotch has 80,331 GitHub stars and Voiden has 1,755. Hoppscotch has the larger community by that measure.
Are Hoppscotch and Voiden free?
Both are open source. Hoppscotch is licensed under MIT and Voiden under Apache-2.0. Neither carries a licence fee.
What is the difference between Hoppscotch and Voiden?
Hoppscotch is written in TypeScript and Voiden 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 Voiden?
Choose Hoppscotch if you want the larger community (80,331 stars) or its MIT licence terms. Choose Voiden if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.