head to head · open source
Bruno vs agentgateway
Bruno has 47,022 GitHub stars, 2,888 forks, 1,831 open issues and last shipped yesterday. agentgateway has 4,895 stars, 853 forks, 258 open issues and last shipped yesterday. Bruno leads on adoption by 861% (47,022 vs 4,895 stars). Bruno is written in JavaScript under MIT; agentgateway is written in Rust under Apache-2.0. Bruno has attracted 6% as many forks as stars, agentgateway 17%. agentgateway 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 | agentgateway | |
|---|---|---|
| GitHub stars | ★ 47K | ★ 4.9K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Rust |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 2.9K | ⑂ 853 |
| 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 agentgateway if
- You want the agentgateway feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and agentgateway 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 agentgateway
Agentgateway is an open source proxy written in Rust and licensed under Apache 2.0. It is a next generation agentic proxy for AI agents and MCP servers, and it operates inside the Developer Tools, API gateway, Kubernetes, service mesh, and AI gateway ecosystem. The project is built on the MCP and A2A protocols.
read the full agentgateway overview →
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Frequently asked questions
Is Bruno or agentgateway more popular?
Bruno has 47,022 GitHub stars and agentgateway has 4,895. Bruno has the larger community by that measure.
Are Bruno and agentgateway free?
Both are open source. Bruno is licensed under MIT and agentgateway under Apache-2.0. Neither carries a licence fee.
What is the difference between Bruno and agentgateway?
Bruno is written in JavaScript and agentgateway in Rust. 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 agentgateway?
Choose Bruno if you want the larger community (47,022 stars) or its MIT licence terms. Choose agentgateway if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.