head to head · open source
Bruno vs lambda-api
Bruno has 47,992 GitHub stars, 3,068 forks, 1,831 open issues and last shipped yesterday. lambda-api has 1,470 stars, 127 forks, 47 open issues and last shipped 5 days ago. Bruno leads on adoption by 3,165% (47,992 vs 1,470 stars). Bruno is written in JavaScript under MIT; lambda-api is written in JavaScript under MIT. Bruno has attracted 6% as many forks as stars, lambda-api 9%. 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 | lambda-api | |
|---|---|---|
| GitHub stars | ★ 48K | ★ 1.5K |
| License | MIT | MIT |
| Written in | JavaScript | JavaScript |
| Last push | 2026-11-02 | 2026-10-29 |
| Forks | ⑂ 3.1K | ⑂ 127 |
| 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 lambda-api if
- You want the lambda-api feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and lambda-api 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 lambda-api
Lightweight web framework for your serverless applications Lambda API is a lightweight web framework for AWS Lambda using AWS API Gateway Lambda Proxy Integration or ALB Lambda Target Support. This closely mirrors (and is based on) other web frameworks like Express.js and Fastify, but is significantly stripped down to maximize performance with Lambda's stateless, single run executions. Using AWS SDK v2? lambda api@v1 is using AWS SDK v3. If you are using AWS SDK v2, please use lambda api@v0.12.0. Simple Example For a full tutorial see How To: Build a Serverless API with Serverless, AWS Lambda and Lambda API. Why…
read the full lambda-api overview →
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Frequently asked questions
Is Bruno or lambda-api more popular?
Bruno has 47,992 GitHub stars and lambda-api has 1,470. Bruno has the larger community by that measure.
Are Bruno and lambda-api free?
Both are open source. Bruno is licensed under MIT and lambda-api under MIT. Neither carries a licence fee.
What is the difference between Bruno and lambda-api?
Bruno is written in JavaScript and lambda-api in JavaScript. 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 lambda-api?
Choose Bruno if you want the larger community (47,992 stars) or its MIT licence terms. Choose lambda-api if its feature set, stack or MIT licence fits better. Both are self-hostable.