head to head · open source
Yaak vs fusio
Yaak has 19,416 GitHub stars, 841 forks, 19 open issues and last shipped 3 days ago. fusio has 2,129 stars, 247 forks, 169 open issues and last shipped 10 days ago. Yaak leads on adoption by 812% (19,416 vs 2,129 stars). Yaak is written in TypeScript under MIT; fusio is written in PHP under Apache-2.0. Yaak has attracted 4% as many forks as stars, fusio 12%. Yaak 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
| Yaak | fusio | |
|---|---|---|
| GitHub stars | ★ 19K | ★ 2.1K |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | PHP |
| Last push | 2026-11-02 | 2026-10-26 |
| Forks | ⑂ 841 | ⑂ 247 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Yaak if
- You weight community size — 19K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick fusio if
- You want the fusio feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches PHP
- You evaluated both and fusio fits your workflow better
About Yaak
💫 Yaak ➟ Desktop API Client 💫 A fast, privacy first API client for REST, GraphQL, SSE, WebSocket, and gRPC – built with Tauri, Rust, and React. Development is funded by community purchased licenses . You can also become a sponsor to have your logo appear below. 💖 Features Yaak is an offline first API client designed to stay out of your way while giving you everything you need when you need it. Built with Tauri, Rust, and React, it’s fast, lightweight, and private. No telemetry, no VC funding, and no cloud lock in. 🌐 Work with any API Import collections from Postman, Insomnia, OpenAPI, Swagger, or Curl. Send…
About fusio
Fusio Open Source API Management Platform Turn your business logic into scalable API products for humans and AI agents. 📖 Documentation • 📺 Video Walkthrough (15m) • 💬 Discord Community Fusio is a self hosted, open source backend platform and API gateway written in PHP that bridges the gap between your internal infrastructure and the outside world. Whether you are exposing legacy databases, orchestrating microservices, or building custom business logic, Fusio handles the heavy lifting. It transforms your services into a professional API product, complete with an automated developer portal, SDK generation, and…
read the full fusio overview →
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Frequently asked questions
Is Yaak or fusio more popular?
Yaak has 19,416 GitHub stars and fusio has 2,129. Yaak has the larger community by that measure.
Are Yaak and fusio free?
Both are open source. Yaak is licensed under MIT and fusio under Apache-2.0. Neither carries a licence fee.
What is the difference between Yaak and fusio?
Yaak is written in TypeScript and fusio in PHP. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Yaak or fusio?
Choose Yaak if you want the larger community (19,416 stars) or its MIT licence terms. Choose fusio if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.