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

79Health
Library npm

react-native-safe-area-context

A flexible way to handle safe area insets in React Native, with hooks and components that also work on Android and web.

2,759
MIT
Used by 28
50Health
Library npm

react-textarea-autosize

A drop-in <textarea> replacement for React that automatically grows and shrinks to fit its content.

2,407
MIT
Used by 28
90Health
Library npm

react-grid-layout

A responsive, draggable, and resizable grid layout system for React with breakpoints and zero jQuery.

22,419
MIT
Used by 27
74Health
Library npm

qrcode.react

A React component for generating QR codes as SVG or Canvas, with logo embedding and full styling control.

4,284
Other
Used by 27
36Health
Library npm

use-stick-to-bottom

Zero-dependency React hook and component that keeps AI chat scrolled to the bottom as content streams in.

776
MIT
Used by 27
71Health
Tool npm

webpack-bundle-analyzer

Turns webpack build stats into an interactive, zoomable treemap so you can see exactly what's bloating every bundle.

12,656
MIT
Used by 26
52Health
Library PyPI

asyncpg

A fast PostgreSQL database client library for Python built directly on asyncio, implementing the PostgreSQL binary wire protocol natively for high-throughput async applications.

8,088
Apache 2.0
Used by 26
90Health
Library npm

React Virtuoso

The most powerful virtual list component for React — render huge lists, grids, tables, and chat feeds effortlessly.

6,454
MIT
Used by 26
98Health
Framework npm

Bootstrap

The world's most popular front-end framework for building responsive, mobile-first sites

174,791
MIT
Used by 25
94Health
Library npm

Ant Design

An enterprise-class React UI library with 80+ high-quality, TypeScript-typed components and powerful theming.

99,507
MIT
Used by 25
53Health
Library npm

react-beautiful-dnd

Beautiful and accessible drag and drop for lists with React

33,930
Apache 2.0
Used by 25
85Health
Library npm

react-intersection-observer

React hooks and a component for tracking when elements enter or leave the viewport.

5,537
MIT
Used by 25
90Health
Library npm

cssnano

A modular CSS minifier built on the PostCSS ecosystem, composing dozens of swappable optimization plugins into safe, lite, and advanced presets.

4,976
MIT
Used by 25
95Health
Library npm

react-native-screens

Native navigation container primitives that make React Native screens render faster and use less memory.

3,729
MIT
Used by 25
91Health
SDK npm

react-stripe-js

Official React components and hooks for embedding Stripe.js and Stripe Elements in a React app.

2,041
MIT
Used by 25
78Health
Library npm

postcss-preset-env

Converts tomorrow's CSS syntax into code today's browsers understand by auto-selecting PostCSS polyfill plugins from your browserslist targets.

1,052
Other
Used by 25
89Health
Tool npm

shadcn

Add beautifully designed, accessible UI components as owned source code via a CLI

123,770
MIT
Used by 24
84Health
Tool npm

svgo

A Node.js library and command-line tool that optimizes SVG files by removing redundant markup through a configurable plugin pipeline.

22,669
MIT
Used by 23
48Health
Library npm

Emoji Mart

A customizable, framework-agnostic emoji picker component for the modern web.

9,402
MIT
Used by 23
92Health
Library npm

React Native Gesture Handler

Declarative, native-driven touch and gesture handling for React Native, recognized on the UI thread.

6,783
MIT
Used by 23
46Health
Tool npm

file-loader

A webpack loader that resolves file imports into emitted assets and public URLs

1,843
MIT
Used by 23
39Health
Library npm

path-browserify

Node.js path module implementation for browser environments

192
MIT
Used by 23
91Health
Library npm

@mantine/core

A fully featured React components library with 100+ accessible, themeable UI primitives.

31,709
MIT
Used by 22
90Health
Library npm

Scalar API Reference

Interactive, embeddable API reference documentation generated from your OpenAPI or Swagger specs.

16,101
MIT
Used by 22

Join founders buildingwith open source

Opinionated takes, migration guides, cost-saving tips, and insights from the open source ecosystem.

Subscribe on Substack
Join 750+ subscribers