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

Bun is an all-in-one JavaScript runtime — runtime, package manager, bundler, and test runner, 3x faster than Node.js. What You Get for Free 3x faster runtime — JavaScriptCore (Safari's engine) vs V8 Bun install — npm-compatible, 25x faster installs Bun test — Jest-compatible test runner, built-in Bun build — esbuild-speed bundler, built-in Node.js compatible — drop-in replacement for most Node apps TypeScript native — run .ts files directly, no compilation SQLite built-in — bun:sqlite module, zero install Hot reload — bun --hot for development Macros — compile-time code execution Quick Start curl -fsSL https://bun.sh/install | bash # Run TypeScript directly bun run server.ts # Install packages (25x faster than npm) bun install # Run tests bun test # Bundle bun build ./src/index.ts --outdir ./dist Why Developers Switch from Node.js Node.js is 15 years old and needs separate tools for everything: All-in-one — no more npm + tsc + jest + webpack 3x faster — HTTP server benchmarks: 3x reque