head to head · open source
fastapi vs Voiden
fastapi has 102,402 GitHub stars, 9,903 forks, 78 open issues and last shipped 4 days ago. Voiden has 1,755 stars, 80 forks, 38 open issues and last shipped 7 days ago. fastapi leads on adoption by 5,735% (102,402 vs 1,755 stars). fastapi is written in Python under MIT; Voiden is written in TypeScript under Apache-2.0. fastapi has attracted 10% as many forks as stars, Voiden 5%. fastapi 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
| fastapi | Voiden | |
|---|---|---|
| GitHub stars | ★ 102K | ★ 1.8K |
| License | MIT | Apache-2.0 |
| Written in | Python | TypeScript |
| Last push | 2026-09-14 | 2026-09-11 |
| Forks | ⑂ 9.9K | ⑂ 80 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick fastapi if
- You weight community size — 102K stars and counting
- You want the MIT license terms
- Your stack matches Python
- 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 fastapi
FastAPI is an MIT licensed, high performance Python web framework for building APIs with standard Python type hints, aimed at Python developers and teams that need production ready HTTP services with automatic OpenAPI documentation.
read the full fastapi 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 fastapi or Voiden more popular?
fastapi has 102,402 GitHub stars and Voiden has 1,755. fastapi has the larger community by that measure.
Are fastapi and Voiden free?
Both are open source. fastapi is licensed under MIT and Voiden under Apache-2.0. Neither carries a licence fee.
What is the difference between fastapi and Voiden?
fastapi is written in Python 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, fastapi or Voiden?
Choose fastapi if you want the larger community (102,402 stars) or its MIT licence terms. Choose Voiden if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.