head to head · open source
Bruno vs gnostic
Bruno has 47,027 GitHub stars, 2,890 forks, 1,831 open issues and last shipped 2 days ago. gnostic has 2,302 stars, 279 forks, 119 open issues and last shipped 1 months ago. Bruno leads on adoption by 1,943% (47,027 vs 2,302 stars). Bruno is written in JavaScript under MIT; gnostic is written in Go under Apache-2.0. Bruno has attracted 6% as many forks as stars, gnostic 12%. Bruno was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (openapi, openapi3), 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.
← all 13541 open source comparisons
Side by side
| Bruno | gnostic | |
|---|---|---|
| GitHub stars | ★ 47K | ★ 2.3K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Go |
| Last push | 2026-09-17 | 2026-08-10 |
| Forks | ⑂ 2.9K | ⑂ 279 |
| 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 gnostic if
- You want the gnostic 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 gnostic 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 gnostic
gnostic is a Go command line tool from Google that compiles OpenAPI descriptions written in JSON or YAML into Protocol Buffer representations and back again, aimed at developers who need type safe, language neutral access to API descriptions and at tool authors who build code generators and other API tooling on top of a plugin interface.
read the full gnostic 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 gnostic more popular?
Bruno has 47,027 GitHub stars and gnostic has 2,302. Bruno has the larger community by that measure.
Are Bruno and gnostic free?
Both are open source. Bruno is licensed under MIT and gnostic under Apache-2.0. Neither carries a licence fee.
What is the difference between Bruno and gnostic?
Bruno is written in JavaScript and gnostic 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 gnostic?
Choose Bruno if you want the larger community (47,027 stars) or its MIT licence terms. Choose gnostic if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.