head to head · open source
Bruno vs open-connector
Bruno has 47,022 GitHub stars, 2,888 forks, 1,831 open issues and last shipped yesterday. open-connector has 5,796 stars, 505 forks, 0 open issues and last shipped yesterday. Bruno leads on adoption by 711% (47,022 vs 5,796 stars). Bruno is written in JavaScript under MIT; open-connector is written in TypeScript under Apache-2.0. Bruno has attracted 6% as many forks as stars, open-connector 9%. Bruno was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (automation), 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 | open-connector | |
|---|---|---|
| GitHub stars | ★ 47K | ★ 5.8K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 2.9K | ⑂ 505 |
| 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 open-connector if
- You want the open-connector feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and open-connector 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 open-connector
OpenConnector is an open source auth gateway that connects more than a thousand SaaS providers to AI agents through a Connector SDK, the oo CLI, MCP, HTTP/OpenAPI, and a Web Console, and it is built for developers and teams wiring durable app access into agent products.
read the full open-connector overview →
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Frequently asked questions
Is Bruno or open-connector more popular?
Bruno has 47,022 GitHub stars and open-connector has 5,796. Bruno has the larger community by that measure.
Are Bruno and open-connector free?
Both are open source. Bruno is licensed under MIT and open-connector under Apache-2.0. Neither carries a licence fee.
What is the difference between Bruno and open-connector?
Bruno is written in JavaScript and open-connector in TypeScript. 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 open-connector?
Choose Bruno if you want the larger community (47,022 stars) or its MIT licence terms. Choose open-connector if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.