Bun
Bun is an incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one tool.
Zig · 89.0k GitHub stars
Bun vs Deno
Side-by-side open-source comparison for 2026. Deno currently leads on GitHub stars (106.4k) over Bun (89.0k). Both tools list each other as alternatives in this directory.
Quick comparison
| # | Tool | Stars | Language | License |
|---|---|---|---|---|
| 1 | Deno A modern and secure runtime for JavaScript and TypeScript with built-in support for TypeScript. | 106.4k | Rust | MIT License |
| 2 | Bun Bun is an incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one tool. | 89.0k | Zig | Other |
Overview
Deno
A modern and secure runtime for JavaScript and TypeScript with built-in support for TypeScript.
Rust · MIT License · 106.4k GitHub stars
Explore both tools
106.4k
Deno
A modern and secure runtime for JavaScript and TypeScript with built-in support for TypeScript.
👨💻
Development🟡
JavaScript💚
Node.js
89.0k
Bun
Bun is an incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one tool.
👨💻
Development🟡
JavaScript💚
Node.js🛠️
Tools
Frequently asked questions
Which is more popular, Bun or Deno?
Deno currently has more GitHub stars (106.4k) than Bun (89.0k). Star counts are a proxy for community adoption.
Are Bun and Deno free?
Yes. Both are open source and free to use in your own projects.
How does this comparison work?
Pages only exist for mutual alternatives — each tool lists the other in its alternatives metadata. Stats come from the canonical tool records in this directory.
Stay Updated!
Get notified about new tools and updates to existing ones.