Audience

Developers and teams building JavaScript and TypeScript applications who want a fast, all-in-one runtime and toolkit to run, test, bundle, and manage packages with high performance and Node.js compatibility

About Bun

Bun is a fast, all-in-one JavaScript, TypeScript, and JSX toolkit that ships as a single executable and combines a high-performance runtime, package manager, test runner, and bundler designed as a drop-in replacement for Node.js with broad compatibility and dramatically reduced startup times and memory usage. Written in Zig and powered by Apple’s JavaScriptCore, Bun can execute JavaScript/TypeScript files, scripts, and packages with significantly faster performance than traditional tooling while supporting zero-config TypeScript, JSX, and React out of the box. Its built-in package manager installs dependencies up to 30× faster than npm with workspaces, global caching, migration support, and dependency auditing. Bun’s test runner is Jest-compatible with built-in coverage and concurrent execution, and the bundler processes TypeScript, JSX, CSS, and more without configuration, including support for single-file executables.xx

Integrations

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Company Information

Bun
Founded: 2022
United States
bun.com

Videos and Screen Captures

Bun Screenshot 1
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Product Details

Platforms Supported
Windows
Mac
Linux
Training
Documentation
Support
24/7 Live Support
Online

Bun Frequently Asked Questions

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Bun Product Features