head to head · open source
Bruno vs agent-router
Bruno has 47,027 GitHub stars, 2,890 forks, 1,831 open issues and last shipped yesterday. agent-router has 2,116 stars, 379 forks, 300 open issues and last shipped yesterday. Bruno leads on adoption by 2,122% (47,027 vs 2,116 stars). Bruno is written in JavaScript under MIT; agent-router is written in Go under Apache-2.0. Bruno has attracted 6% as many forks as stars, agent-router 18%. agent-router 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 | agent-router | |
|---|---|---|
| GitHub stars | ★ 47K | ★ 2.1K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Go |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 2.9K | ⑂ 379 |
| 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 agent-router if
- You want the agent-router feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and agent-router 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 agent-router
The open source control plane for AI and agent traffic, powered by Envoy. An Agentic AI Foundation project. Formerly Envoy AI Gateway . Documentation · Quickstart · Blog · Release Notes · Talks Agent Router Agent Router gives application teams one consistent, OpenAI compatible API for every model and tool, from hosted providers to self hosted inference and MCP servers. Platform teams keep credentials, routing, quotas, failover, and usage attribution in one place, enforced by Envoy and Envoy Gateway. Agent Router controls. Envoy carries. Formerly Envoy AI Gateway Envoy AI Gateway is now Agent Router , an Agentic A…
read the full agent-router 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 agent-router more popular?
Bruno has 47,027 GitHub stars and agent-router has 2,116. Bruno has the larger community by that measure.
Are Bruno and agent-router free?
Both are open source. Bruno is licensed under MIT and agent-router under Apache-2.0. Neither carries a licence fee.
What is the difference between Bruno and agent-router?
Bruno is written in JavaScript and agent-router in Go. 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 agent-router?
Choose Bruno if you want the larger community (47,027 stars) or its MIT licence terms. Choose agent-router if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.