head to head · open source
Bruno vs mockttp
Bruno has 47,982 GitHub stars, 3,066 forks, 1,831 open issues and last shipped 2 days ago. mockttp has 889 stars, 117 forks, 40 open issues and last shipped 5 days ago. Bruno leads on adoption by 5,297% (47,982 vs 889 stars). Bruno is written in JavaScript under MIT; mockttp is written in TypeScript under Apache-2.0. Bruno has attracted 6% as many forks as stars, mockttp 13%. Bruno 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
| Bruno | mockttp | |
|---|---|---|
| GitHub stars | ★ 48K | ★ 889 |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | TypeScript |
| Last push | 2026-11-01 | 2026-10-29 |
| Forks | ⑂ 3.1K | ⑂ 117 |
| 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 mockttp if
- You want the mockttp 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 mockttp 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 mockttp
Mockttp Part of HTTP Toolkit: powerful tools for building, testing & debugging HTTP(S) Mockttp lets you intercept, transform or test HTTP requests & responses in JavaScript quickly, reliably & anywhere. You can use Mockttp for integration testing, by intercepting real requests as part of your test suite, or you can use Mockttp to build custom HTTP proxies that capture, inspect and/or rewrite HTTP in any other kind of way you like. HTTP testing is the most common and well supported use case. There's a lot of tools to test HTTP, but typically by stubbing the HTTP functions in process at the JS level. That ties you…
read the full mockttp overview →
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Frequently asked questions
Is Bruno or mockttp more popular?
Bruno has 47,982 GitHub stars and mockttp has 889. Bruno has the larger community by that measure.
Are Bruno and mockttp free?
Both are open source. Bruno is licensed under MIT and mockttp under Apache-2.0. Neither carries a licence fee.
What is the difference between Bruno and mockttp?
Bruno is written in JavaScript and mockttp 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 mockttp?
Choose Bruno if you want the larger community (47,982 stars) or its MIT licence terms. Choose mockttp if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.