Bun Has a Free All-in-One JavaScript Runtime — Replace Node, npm, Jest, and Webpack

What if node , npm , jest , webpack , and dotenv were one binary? That's Bun. What is Bun? Bun is a JavaScript runtime, package manager, bundler, and test runner built from scratch in Zig. It's a drop-in replacement for Node.js that runs your existing code faster. Why Bun Is Gaining Traction 1. Drop-In Node.js Replacement # Instead of node server.js # Just use bun server.js Your existing Node.js code works. require() , import , .env files, node:fs — all compatible. 2. Package Manager (4x Faster Than npm) # Install dependencies bun install # 0.8s vs npm's 3.5s # Add packages bun add express # Run scripts bun run dev Uses hardlinks and a global cache. Your node_modules are ready instantly on reinstall. 3. Built-in TypeScript // server.ts — no tsconfig, no tsc, no ts-node const port = 3000 ; Bun . serve ({ port , fetch ( req ) { const url = new URL ( req . url ); if ( url . pathname === ' /api/hello ' ) { return Response . json ({ message : ' Hello from Bun! ' }); } return new Response (