Directory

Open Source Packages

Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.

5929 packages

All Packages

98Health
Library npm

React

The declarative, component-based JavaScript library for building fast, interactive user interfaces on the web and in native apps.

250,443
MIT
Used by 404
98Health
Library npm

React DOM

React's official renderer for the DOM and server — createRoot, hydrateRoot, and streaming SSR in one package.

250,443
MIT
Used by 399
91Health
Tool npm

prettier

An opinionated code formatter that enforces consistent style across every language your project speaks.

52,263
MIT
Used by 310
74Health
Library npm

dotenv

Loads environment variables from a .env file into process.env for Node.js apps.

20,536
Other
Used by 227
92Health
Library npm

lucide-react

1,700+ tree-shakeable, customizable SVG icon components for React applications

24,510
Other
Used by 220
93Health
Tool npm

@vitejs/plugin-react

The official Vite plugin for React with Babel-powered Fast Refresh and JSX transforms

1,158
MIT
Used by 209
68Health
Library npm

date-fns

Modern JavaScript date utility library with 200+ pure, immutable functions

36,648
MIT
Used by 202
93Health
Library npm

jsdom

A pure-JavaScript implementation of the WHATWG DOM and HTML standards for Node.js.

21,681
MIT
Used by 199
65Health
Library npm

React Testing Library

Simple and complete React DOM testing utilities that encourage good testing practices.

19,651
MIT
Used by 195
95Health
Library npm

Axios

Promise-based HTTP client for the browser and Node.js with interceptors, automatic transforms, and cancellation

109,212
MIT
Used by 190
92Health
Library npm

TanStack Query

Hooks-based async state management for fetching, caching, and syncing server data in React.

50,296
MIT
Used by 182
75Health
Library npm

Radix UI

Unstyled, accessible React UI primitives for building your own design system.

19,268
MIT
Used by 181
69Health
Tool npm

eslint-config-prettier

Disables ESLint stylistic rules that conflict with Prettier, so the two tools never fight over formatting.

5,893
MIT
Used by 169
95Health
Framework npm

React Router

A multi-strategy router for React, from a lightweight library to a full SSR framework.

56,573
MIT
Used by 165
64Health
Library npm

react-markdown

Safely render Markdown as React elements, no dangerouslySetInnerHTML required

15,878
MIT
Used by 164
86Health
Framework npm

Express

The fast, unopinionated, minimalist web framework for Node.js

69,454
MIT
Used by 158
96Health
Framework npm

Next.js

The React framework for production: file-based routing, server rendering, and Rust-powered builds.

142,310
MIT
Used by 154
79Health
Library npm

Motion

A hybrid JavaScript and React animation library built for 120fps gestures, springs, and layout transitions.

33,605
MIT
Used by 145
82Health
Tool npm

esbuild

An extremely fast JavaScript and CSS bundler and minifier written in Go.

40,058
MIT
Used by 139
44Health
Library npm

cmdk

Fast, unstyled command menu and combobox primitives for React.

12,969
MIT
Used by 133
91Health
Library npm

React Hook Form

Performant, flexible React forms built on hooks with minimal re-renders and built-in validation.

44,855
MIT
Used by 132
94Health
SDK npm

AWS SDK for JavaScript (S3 Client)

The official modular AWS SDK v3 client for Amazon S3, with TypeScript-first APIs and streaming support.

3,666
Apache 2.0
Used by 129
91Health
Library npm

Recharts

A composable charting library for React, built on D3 and SVG.

27,555
MIT
Used by 127
62Health
Tool npm

eslint-plugin-react

React-specific linting rules for ESLint that catch JSX bugs, enforce Hooks conventions, and keep prop usage consistent.

9,292
MIT
Used by 122

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