head to head · open source
Bruno vs agentgateway
Bruno has 47,982 GitHub stars, 3,066 forks, 1,831 open issues and last shipped 2 days ago. agentgateway has 5,859 stars, 1,038 forks, 258 open issues and last shipped 4 days ago. Bruno leads on adoption by 719% (47,982 vs 5,859 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 18%. 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 | agentgateway | |
|---|---|---|
| GitHub stars | ★ 48K | ★ 5.9K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Rust |
| Last push | 2026-11-01 | 2026-10-30 |
| Forks | ⑂ 3.1K | ⑂ 1.0K |
| 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 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 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 agentgateway
The first complete connectivity solution for Agentic AI. Agentgateway is an open source proxy built on AI native protocols (MCP & A2A) that provides drop in security, observability, and governance for agent to LLM, agent to tool, and agent to agent communication across any framework and environment. Intro to Agentgateway Video Key Features LLM Gateway Route traffic to major LLM providers (OpenAI, Anthropic, Gemini, Bedrock, and more) through a unified OpenAI compatible API with budget and spend controls, prompt enrichment, load balancing, and failover. MCP Gateway Connect LLMs to tools and external data sources…
read the full agentgateway overview →
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Frequently asked questions
Is Bruno or agentgateway more popular?
Bruno has 47,982 GitHub stars and agentgateway has 5,859. 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 (47,982 stars) or its MIT licence terms. Choose agentgateway if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.