#runtime

nodejs.org/en

Node.js is a free, open-source JavaScript runtime environment built on Chrome's V8 engine. It enables developers to execute JavaScript code server-side to build scalable network applications, web servers, and CLI tools.

deno.com

Deno is an open-source, secure runtime for JavaScript and TypeScript built on modern web standards. It features a complete built-in toolchain and native support for TypeScript, simplifying development workflows.

bun.sh

Bun is a high-performance JavaScript runtime, bundler, transpiler, and package manager designed as a drop-in replacement for Node.js. It offers significantly faster startup times and includes built-in tools for testing, bundling, and environment management.