head to head · open source
Bruno vs killgrave
Bruno has 48,349 GitHub stars, 3,101 forks, 1,831 open issues and last shipped yesterday. killgrave has 563 stars, 100 forks, 34 open issues and last shipped yesterday. Bruno leads on adoption by 8,488% (48,349 vs 563 stars). Bruno is written in JavaScript under MIT; killgrave is written in Go under MIT. Bruno has attracted 6% as many forks as stars, killgrave 18%. killgrave 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 | killgrave | |
|---|---|---|
| GitHub stars | ★ 48K | ★ 563 |
| License | MIT | MIT |
| Written in | JavaScript | Go |
| Last push | 2026-11-11 | 2026-11-11 |
| Forks | ⑂ 3.1K | ⑂ 100 |
| 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 killgrave if
- You want the killgrave feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and killgrave 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 killgrave
Killgrave Killgrave is a simulator for HTTP based APIs, in simple words a Mock Server , very easy to use, made in Go . Table of Content Overview Concepts Imposters Installing Homebrew Docker Compile by yourself Other Getting Started Using Killgrave by command line Using Killgrave by config file Configure CORS Preparing Killgrave for Proxy Mode Creating an Imposter Imposters structure Using regex in imposters Creating an imposter using JSON Schema Creating an imposter with delay Creating an imposter with dynamic responses Contributing License Overview Killgrave is a tool that provides a simple way to create a…
read the full killgrave overview →
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Frequently asked questions
Is Bruno or killgrave more popular?
Bruno has 48,349 GitHub stars and killgrave has 563. Bruno has the larger community by that measure.
Are Bruno and killgrave free?
Both are open source. Bruno is licensed under MIT and killgrave under MIT. Neither carries a licence fee.
What is the difference between Bruno and killgrave?
Bruno is written in JavaScript and killgrave in Go. 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 killgrave?
Choose Bruno if you want the larger community (48,349 stars) or its MIT licence terms. Choose killgrave if its feature set, stack or MIT licence fits better. Both are self-hostable.