head to head · open source
Bruno vs aws-lambda-fastify
Bruno has 47,027 GitHub stars, 2,890 forks, 1,831 open issues and last shipped 2 days ago. aws-lambda-fastify has 560 stars, 37 forks, 5 open issues and last shipped 2 months ago. Bruno leads on adoption by 8,298% (47,027 vs 560 stars). Bruno is written in JavaScript under MIT; aws-lambda-fastify is written in JavaScript under MIT. Bruno has attracted 6% as many forks as stars, aws-lambda-fastify 7%. Bruno was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (javascript), 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 | aws-lambda-fastify | |
|---|---|---|
| GitHub stars | ★ 47K | ★ 560 |
| License | MIT | MIT |
| Written in | JavaScript | JavaScript |
| Last push | 2026-09-17 | 2026-08-04 |
| Forks | ⑂ 2.9K | ⑂ 37 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Bruno if
- You weight community size — 47K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick aws-lambda-fastify if
- You want the aws-lambda-fastify feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and aws-lambda-fastify fits your workflow better
About Bruno
Bruno is a lightweight, open source API client and IDE for exploring and testing APIs, built for developers and teams who want their request collections stored as plain text in a folder on their own filesystem rather than in a vendor's cloud.
read the full Bruno overview →
About aws-lambda-fastify
aws lambda fastify is an MIT licensed JavaScript library that runs a Fastify application as an AWS Lambda handler behind API Gateway or an Application Load Balancer, built for Node.js teams that already write HTTP APIs with Fastify and want to deploy them serverless without rewriting their routes.
read the full aws-lambda-fastify overview →
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Frequently asked questions
Is Bruno or aws-lambda-fastify more popular?
Bruno has 47,027 GitHub stars and aws-lambda-fastify has 560. Bruno has the larger community by that measure.
Are Bruno and aws-lambda-fastify free?
Both are open source. Bruno is licensed under MIT and aws-lambda-fastify under MIT. Neither carries a licence fee.
What is the difference between Bruno and aws-lambda-fastify?
Bruno is written in JavaScript and aws-lambda-fastify 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 aws-lambda-fastify?
Choose Bruno if you want the larger community (47,027 stars) or its MIT licence terms. Choose aws-lambda-fastify if its feature set, stack or MIT licence fits better. Both are self-hostable.