Deno

Deno is the secure, modern runtime for JavaScript, TypeScript, and WebAssembly (built on V8 and Rust) that provides a complete, zero-config toolchain.

Deno is a simple, modern runtime for JavaScript and TypeScript, created by Node.js founder Ryan Dahl to address key design regrets from Node.js. It operates on the Chromium V8 engine and Rust, prioritizing security by default: file system and network access are explicitly disallowed unless permissions are granted (like browser geolocation). Deno functions as an all-in-one toolchain, offering built-in support for TypeScript, linting, testing, and formatting (`deno fmt`) with zero configuration. It utilizes standard ES module imports via URLs, eliminating the need for a separate package manager like npm and the bulky `node_modules` folder, streamlining dependencies and deployment.

https://deno.com