head to head · open source
Bruno vs azure-rest-api-specs
Bruno has 47,992 GitHub stars, 3,068 forks, 1,831 open issues and last shipped yesterday. azure-rest-api-specs has 3,112 stars, 6,029 forks, 3,379 open issues and last shipped yesterday. Bruno leads on adoption by 1,442% (47,992 vs 3,112 stars). Bruno is written in JavaScript under MIT; azure-rest-api-specs is written in TypeSpec under MIT. Bruno has attracted 6% as many forks as stars, azure-rest-api-specs 194%. azure-rest-api-specs 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 | azure-rest-api-specs | |
|---|---|---|
| GitHub stars | ★ 48K | ★ 3.1K |
| License | MIT | MIT |
| Written in | JavaScript | TypeSpec |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 3.1K | ⑂ 6.0K |
| 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 azure-rest-api-specs if
- You want the azure-rest-api-specs feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeSpec
- You evaluated both and azure-rest-api-specs 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 azure-rest-api-specs
Azure REST API Specifications Description This repository is the canonical source for REST API specifications for Microsoft Azure. You can learn more about it here. Getting started If you're a Microsoft employee looking for information about all of the repositories and steps for Azure SDK Libraries Releases, go to the aka.ms/azsdk/join. External Contributors can read Getting Started with OpenAPI Specifications and Getting Started with TypeSpec Specifications. Directory Structure See aka.ms/azsdk/spec dirs. Examples These examples provide a starting point for how a library should be structured, as well as the…
read the full azure-rest-api-specs overview →
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Frequently asked questions
Is Bruno or azure-rest-api-specs more popular?
Bruno has 47,992 GitHub stars and azure-rest-api-specs has 3,112. Bruno has the larger community by that measure.
Are Bruno and azure-rest-api-specs free?
Both are open source. Bruno is licensed under MIT and azure-rest-api-specs under MIT. Neither carries a licence fee.
What is the difference between Bruno and azure-rest-api-specs?
Bruno is written in JavaScript and azure-rest-api-specs in TypeSpec. 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 azure-rest-api-specs?
Choose Bruno if you want the larger community (47,992 stars) or its MIT licence terms. Choose azure-rest-api-specs if its feature set, stack or MIT licence fits better. Both are self-hostable.