head to head · open source
Bruno vs Tailcall
Bruno has 47,992 GitHub stars, 3,068 forks, 1,831 open issues and last shipped yesterday. Tailcall has 7,637 stars, 1,456 forks, 45 open issues and last shipped 2 days ago. Bruno leads on adoption by 528% (47,992 vs 7,637 stars). Bruno is written in JavaScript under MIT; Tailcall is written in Rust under Apache-2.0. Bruno has attracted 6% as many forks as stars, Tailcall 19%. Bruno 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.
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Side by side
| Bruno | Tailcall | |
|---|---|---|
| GitHub stars | ★ 48K | ★ 7.6K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Rust |
| Last push | 2026-11-02 | 2026-11-01 |
| Forks | ⑂ 3.1K | ⑂ 1.5K |
| 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 Tailcall if
- You want the Tailcall feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and Tailcall 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 Tailcall
⚒️ Forge: AI Enhanced Terminal Development Environment A comprehensive coding agent that integrates AI capabilities with your development environment curl fsSL sh Table of Contents Quickstart Usage Examples Why Forge? How Forge Works: Three Modes Interactive Mode (TUI) One Shot CLI Mode ZSH Plugin Mode ( : prefix) ZSH Plugin: The : Prefix System Agents Sending Prompts Attaching Files Conversation Management Git Integration Shell Command Tools Session & Configuration Skills Customizing Agent Behavior Semantic Search (Workspace) Quick Reference: All : Commands Command Line Options Advanced Configuration Provider…
read the full Tailcall overview →
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Frequently asked questions
Is Bruno or Tailcall more popular?
Bruno has 47,992 GitHub stars and Tailcall has 7,637. Bruno has the larger community by that measure.
Are Bruno and Tailcall free?
Both are open source. Bruno is licensed under MIT and Tailcall under Apache-2.0. Neither carries a licence fee.
What is the difference between Bruno and Tailcall?
Bruno is written in JavaScript and Tailcall in Rust. 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 Tailcall?
Choose Bruno if you want the larger community (47,992 stars) or its MIT licence terms. Choose Tailcall if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.