head to head · open source
Bruno vs chapar
Bruno has 47,992 GitHub stars, 3,068 forks, 1,831 open issues and last shipped yesterday. chapar has 728 stars, 44 forks, 10 open issues and last shipped 5 days ago. Bruno leads on adoption by 6,492% (47,992 vs 728 stars). Bruno is written in JavaScript under MIT; chapar is written in Go under BSD-3-Clause. Bruno has attracted 6% as many forks as stars, chapar 6%. Bruno was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 4 topic tags (api-client, api-testing, developer-tools, http-client), 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 | chapar | |
|---|---|---|
| GitHub stars | ★ 48K | ★ 728 |
| License | MIT | BSD-3-Clause |
| Written in | JavaScript | Go |
| Last push | 2026-11-02 | 2026-10-29 |
| Forks | ⑂ 3.1K | ⑂ 44 |
| 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 chapar if
- You want the chapar feature set and don't need the biggest community
- You prefer the BSD-3-Clause license terms
- Your stack matches Go
- You evaluated both and chapar 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 chapar
Chapar Native API Testing Tool Chapar is an upcoming native API testing tool built with GoLang, designed to simplify and expedite the testing process for developers. While still in its early beta phase, Chapar aims to offer a user friendly experience with support for both HTTP and gRPC protocols with. What Chapar means? Chapar was the institution of the royal mounted couriers in ancient Persia. The messengers, called Chapar, alternated in stations a day's ride apart along the Royal Road. The riders were exclusively in the service of the Great King and the network allowed for messages to be transported from Susa…
read the full chapar overview →
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Frequently asked questions
Is Bruno or chapar more popular?
Bruno has 47,992 GitHub stars and chapar has 728. Bruno has the larger community by that measure.
Are Bruno and chapar free?
Both are open source. Bruno is licensed under MIT and chapar under BSD-3-Clause. Neither carries a licence fee.
What is the difference between Bruno and chapar?
Bruno is written in JavaScript and chapar 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 chapar?
Choose Bruno if you want the larger community (47,992 stars) or its MIT licence terms. Choose chapar if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.