head to head · open source
Bruno vs kiro-gateway
Bruno has 47,022 GitHub stars, 2,888 forks, 1,831 open issues and last shipped yesterday. kiro-gateway has 2,281 stars, 552 forks, 103 open issues and last shipped 4 months ago. Bruno leads on adoption by 1,961% (47,022 vs 2,281 stars). Bruno is written in JavaScript under MIT; kiro-gateway is written in Python under AGPL-3.0. Bruno has attracted 6% as many forks as stars, kiro-gateway 24%. 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.
← all 8884 open source comparisons
Side by side
| Bruno | kiro-gateway | |
|---|---|---|
| GitHub stars | ★ 47K | ★ 2.3K |
| License | MIT | AGPL-3.0 |
| Written in | JavaScript | Python |
| Last push | 2026-09-17 | 2026-05-18 |
| Forks | ⑂ 2.9K | ⑂ 552 |
| 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 kiro-gateway if
- You want the kiro-gateway feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Python
- You evaluated both and kiro-gateway 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 kiro-gateway
Kiro Gateway is an open source proxy API gateway that turns the Claude and other models available inside Kiro IDE and Kiro CLI (Amazon Q Developer / AWS CodeWhisperer) into OpenAI and Anthropic compatible API endpoints, for developers who want to reach those models from any client.
read the full kiro-gateway 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 kiro-gateway more popular?
Bruno has 47,022 GitHub stars and kiro-gateway has 2,281. Bruno has the larger community by that measure.
Are Bruno and kiro-gateway free?
Both are open source. Bruno is licensed under MIT and kiro-gateway under AGPL-3.0. Neither carries a licence fee.
What is the difference between Bruno and kiro-gateway?
Bruno is written in JavaScript and kiro-gateway in Python. 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 kiro-gateway?
Choose Bruno if you want the larger community (47,022 stars) or its MIT licence terms. Choose kiro-gateway if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.