ATAC vs Bruno
A side-by-side comparison of two self-hosted developer tools & git options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | ATAC | Bruno |
|---|---|---|
| Deploy effort | Read-the-docs project | Read-the-docs project |
| Health score | 88 · Excellent | 100 · Excellent |
| Category | Developer Tools & Git | Developer Tools & Git |
| License | MIT | MIT |
| Language | Rust | JavaScript |
| Setup difficulty | Easy | Easy |
| Min. RAM | 64 MB | 256 MB |
| Deployment | binary, source | bare-metal, source |
| GitHub stars | ★ 3,729 | ★ 47,149 |
| First released | 2024 | 2023 |
| Replaces | Postman, Insomnia | Postman, Insomnia |
What are ATAC and Bruno?
ATAC
ATAC is an open-source terminal user interface API client that lets developers test HTTP APIs without leaving the console. Collections are stored as plain files so they can be version controlled and self-managed.
- Terminal UI client
- Postman import support
- Git-friendly collections
- Offline operation
Bruno
Bruno is an open-source API client that stores collections as plain text files in your filesystem, making them version-controllable with Git. It runs fully offline as a desktop application.
- Git-friendly plain-text collections
- Fully offline operation
- No account required
- Scripting and assertions
ATAC vs Bruno: key differences
ATAC is written in Rust, while Bruno is built with JavaScript. ATAC is the lighter option, starting around 64 MB of RAM against 256 MB for Bruno. Bruno has the considerably larger community, at 47,149 GitHub stars versus 3,729.
Why pick each one
Choose ATAC if…
- Released under the MIT license
- Easy to set up — beginner-friendly
- Active community (3.7k GitHub stars)
- Written in Rust
Choose Bruno if…
- Git-friendly text collections
- Fully offline, no account
- Lightweight and fast
Watch out for
- Some features paid
- No built-in cloud sync
Frequently asked questions
Is ATAC or Bruno better?
Neither is universally better. Bruno has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are ATAC and Bruno free and open-source?
Yes. ATAC is licensed under MIT and Bruno under MIT. Both can be self-hosted at no software cost.
Can I run ATAC and Bruno with Docker?
ATAC: check the project docs for container support. Bruno: check the project docs for container support.
Which is lighter on resources, ATAC or Bruno?
ATAC has the smaller minimum footprint at 64 MB of RAM, compared to about 256 MB for Bruno. Real-world usage depends on library size, user count, and enabled features.