Bun Has a Free JavaScript Runtime That Is 3x Faster Than Node.js

Bun is an all-in-one JavaScript runtime built from scratch using Zig and JavaScriptCore. It replaces Node.js, npm, webpack, and Jest — and runs 3x faster. What You Get for Free 3x faster startup than Node.js Built-in bundler — replaces webpack/esbuild Built-in test runner — Jest-compatible Built-in package manager — 25x faster than npm TypeScript native — no build step Node.js compatible — drop-in replacement SQLite built-in — no external dependency HTTP Server Bun . serve ({ port : 3000 , fetch ( req ) { return new Response ( ' Hello World ' ); }, }); Package Management bun install # 25x faster than npm install bun add express bun run dev Built-in SQLite import { Database } from ' bun:sqlite ' ; const db = new Database ( ' mydb.sqlite ' ); db . run ( ' CREATE TABLE users (id INTEGER PRIMARY KEY, name TEXT) ' ); db . run ( ' INSERT INTO users (name) VALUES (?) ' , [ ' Alice ' ]); Bun vs Node.js Feature Bun Node.js Speed 3x faster Baseline TypeScript Native Build step Bundler Built-in E