head to head · open source
Bruno vs kubb
Bruno has 47,992 GitHub stars, 3,068 forks, 1,831 open issues and last shipped yesterday. kubb has 1,836 stars, 150 forks, 6 open issues and last shipped yesterday. Bruno leads on adoption by 2,514% (47,992 vs 1,836 stars). Bruno is written in JavaScript under MIT; kubb is written in TypeScript under MIT. Bruno has attracted 6% as many forks as stars, kubb 8%. Bruno was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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 | kubb | |
|---|---|---|
| GitHub stars | ★ 48K | ★ 1.8K |
| License | MIT | MIT |
| Written in | JavaScript | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 3.1K | ⑂ 150 |
| 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 kubb if
- You want the kubb feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and kubb 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 kubb
[![npm version][npm version src]][npm version href] [![npm downloads][npm downloads src]][npm downloads href] [![Stars][stars src]][stars href] [![License][license src]][license href] [![Coverage][coverage src]][coverage href] [![Node][node src]][node href] [![OC Backers][oc backers src]][oc backers href] Documentation · Report Bug · Request Feature Kubb The meta framework for code generation Point Kubb at a schema and it generates types, clients, hooks, validators, mocks, and more. Installation Quick start Run the setup wizard to create a kubb.config.ts : The wizard creates a package.json if needed, guides you…
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Frequently asked questions
Is Bruno or kubb more popular?
Bruno has 47,992 GitHub stars and kubb has 1,836. Bruno has the larger community by that measure.
Are Bruno and kubb free?
Both are open source. Bruno is licensed under MIT and kubb under MIT. Neither carries a licence fee.
What is the difference between Bruno and kubb?
Bruno is written in JavaScript and kubb 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, Bruno or kubb?
Choose Bruno if you want the larger community (47,992 stars) or its MIT licence terms. Choose kubb if its feature set, stack or MIT licence fits better. Both are self-hostable.