Bun

TypeScript

microsoft/TypeScript

Popular

Typed superset of JavaScript and the frontend default; v7 ships a Go-native compiler that is ~10x faster.

JavaScript

tc39/ecma262

Popular

The language of the web, standardized as ECMAScript and run natively by every browser.

Node.js

nodejs/node

Popular

The standard server-side JavaScript runtime that runs virtually all frontend build tooling.

npm

npm/cli

Popular

Default package manager bundled with Node.js and the CLI for the world's largest package registry.

pnpm

pnpm/pnpm

Popular

Fast, disk-efficient package manager with a content-addressable store and first-class monorepo workspaces.

Yarn

yarnpkg/berry

Package manager with Plug'n'Play and workspaces; still common in older monorepos as pnpm gains ground.

Deno

denoland/deno

Secure-by-default TypeScript runtime with built-in tooling and npm compatibility.

workerd

cloudflare/workerd

Trending (detected automatically)Rising

Open-source runtime behind Cloudflare Workers for self-hosting and local dev; now absorbing the Deno team's work.

LLRT

awslabs/llrt

AWS's experimental lightweight QuickJS-based runtime for fast-cold-start Lambda functions.