Bundle, install, and run JavaScript & TypeScript — all in Bun. Bun is a new JavaScript runtime with a native bundler, transpiler, task runner, and npm client built-in.

At its core is the Bun runtime, a fast JavaScript runtime designed as a drop-in replacement for Node.js. It’s written in Zig and powered by JavaScriptCore under the hood, dramatically …

Bun is a JavaScript runtime, package manager and test runner designed as a drop-in replacement for Node.js. [4][5] Bun uses Safari 's JavaScriptCore as its JavaScript engine , …

Jul 23, 2025 · Bun.js, or just Bun, is a powerful toolset for managing JavaScript and TypeScript. It integrates numerous functions into a single program. Bun functions as a …

20 hours ago · Bun is an all-in-one JavaScript runtime built from the ground up to be fast. Written in Zig and using JavaScriptCore (the engine powering Safari) instead of V8, Bun combines a …

Overview Bun ships as a single, dependency-free executable. You can install it via script, package manager, or Docker across macOS, Linux, and Windows. After installation, verify …

At its core is the Bun runtime, a fast JavaScript runtime designed as a drop-in replacement for Node.js. It's written in Zig and powered by JavaScriptCore under the hood, dramatically …

Learn about Bun 1.0, a rival JavaScript runtime to Node.js and Deno, and the reasons it may tempt you away from your current favorite.

Oct 20, 2024 · Bun is a fast, modern JavaScript runtime that works as an alternative to Node.js and Deno. It is designed to improve performance and simplify the development experience by …

Feb 8, 2026 · Develop, test, run, and bundle JavaScript & TypeScript projects—all with Bun. Bun is an all-in-one JavaScript runtime & toolkit designed for speed, complete with a bundler, …