head to head · open source
Bruno vs openapi-typescript-codegen
Bruno has 47,992 GitHub stars, 3,068 forks, 1,831 open issues and last shipped yesterday. openapi-typescript-codegen has 3,373 stars, 546 forks, 213 open issues and last shipped 9 days ago. Bruno leads on adoption by 1,323% (47,992 vs 3,373 stars). Bruno is written in JavaScript under MIT; openapi-typescript-codegen is written in TypeScript under MIT. Bruno has attracted 6% as many forks as stars, openapi-typescript-codegen 16%. 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.
← all 20902 open source comparisons
Side by side
| Bruno | openapi-typescript-codegen | |
|---|---|---|
| GitHub stars | ★ 48K | ★ 3.4K |
| License | MIT | MIT |
| Written in | JavaScript | TypeScript |
| Last push | 2026-11-02 | 2026-10-25 |
| Forks | ⑂ 3.1K | ⑂ 546 |
| 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 openapi-typescript-codegen if
- You want the openapi-typescript-codegen feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and openapi-typescript-codegen 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 openapi-typescript-codegen
Important announcement [!IMPORTANT] Please migrate your projects to use @hey api/openapi ts Due to time limitations on my end, this project has been unmaintained for a while now. The @hey api/openapi ts project started as a fork with the goal to resolve the most pressing issues. going forward they are planning to maintain the OpenAPI generator and give it the love it deserves. Please support them with their work and make sure to migrate your projects: All open PR's and issues will be archived on the 1st of May 2024 All versions of this package will be deprecated in NPM 👋 Thanks for all the support, downloads…
read the full openapi-typescript-codegen overview →
More in Developer Tools
Related comparisons
More API Development & Testing projects
Compare either of these against the rest of the API Development & Testing field.
Frequently asked questions
Is Bruno or openapi-typescript-codegen more popular?
Bruno has 47,992 GitHub stars and openapi-typescript-codegen has 3,373. Bruno has the larger community by that measure.
Are Bruno and openapi-typescript-codegen free?
Both are open source. Bruno is licensed under MIT and openapi-typescript-codegen under MIT. Neither carries a licence fee.
What is the difference between Bruno and openapi-typescript-codegen?
Bruno is written in JavaScript and openapi-typescript-codegen 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 openapi-typescript-codegen?
Choose Bruno if you want the larger community (47,992 stars) or its MIT licence terms. Choose openapi-typescript-codegen if its feature set, stack or MIT licence fits better. Both are self-hostable.