head to head · open source
Bruno vs fusio
Bruno has 47,992 GitHub stars, 3,068 forks, 1,831 open issues and last shipped yesterday. fusio has 2,129 stars, 247 forks, 169 open issues and last shipped 8 days ago. Bruno leads on adoption by 2,154% (47,992 vs 2,129 stars). Bruno is written in JavaScript under MIT; fusio is written in PHP under Apache-2.0. Bruno has attracted 6% as many forks as stars, fusio 12%. Bruno was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (javascript, openapi), 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
| Bruno | fusio | |
|---|---|---|
| GitHub stars | ★ 48K | ★ 2.1K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | PHP |
| Last push | 2026-11-02 | 2026-10-26 |
| Forks | ⑂ 3.1K | ⑂ 247 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Bruno if
- You weight community size — 48K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- 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 Bruno
Bruno Opensource IDE for exploring and testing APIs. English Українська Русский Türkçe Deutsch Français Português (BR) 한국어 বাংলা Español Italiano Română Polski 简体中文 正體中文 العربية 日本語 ქართული Nederlands فارسی Bruno is a new and innovative API client, aimed at revolutionizing the status quo represented by Postman and similar tools out there. Bruno stores your collections directly in a folder on your filesystem. We use a plain text markup language, Bru, to save information about API requests. You can use Git or any version control of your choice to collaborate over your API collections. Bruno is offline only. There…
read the full Bruno overview →
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 Bruno or fusio more popular?
Bruno has 47,992 GitHub stars and fusio has 2,129. Bruno has the larger community by that measure.
Are Bruno and fusio free?
Both are open source. Bruno is licensed under MIT and fusio under Apache-2.0. Neither carries a licence fee.
What is the difference between Bruno and fusio?
Bruno is written in JavaScript 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, Bruno or fusio?
Choose Bruno if you want the larger community (47,992 stars) or its MIT licence terms. Choose fusio if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.