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

Kind2
Library4824 SDK549 Tool342 Framework214
Category2
Utilities Ids Helpers1293 Serialization Data Formats487 UI Component Libraries383 Cli Terminal323 Authentication Authorization289 Cryptography Hashing259 Web Frameworks API Servers246 Build Tools Bundlers227 Image Media Processing213 Cloud Sdks200 Database Drivers Clients200 Async Concurrency Runtimes194
Tags
React667 Python638 Javascript591 Rust485 Typescript408 Hacktoberfest308 PHP304 Nodejs280 Parser224 JSON205 Laravel203 Go192
Sort:Used by Most Apps
Used by Most Apps Health Score Most Stars A-Z
Showing 16 of 5929 packages
Tool Framework UI Component Libraries Utilities Ids Helpers Clear all
97Health
Framework npm

React Native

Build native iOS and Android apps from a single React codebase using the components and patterns you already know.

126,600
MIT
Used by 31
98Health
Framework npm

Bootstrap

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

174,791
MIT
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
79Health
Tool PyPI

sphinx-design

Responsive web components for Sphinx documentation

231
MIT
Used by 4
92Health
Framework npm

CopilotKit

React hooks and providers for building AI copilots with shared state, generative UI, and human-in-the-loop workflows.

37,348
MIT
Used by 3
94Health
Framework npm

React Admin

TypeScript framework for building admin panels and B2B apps on any API

26,935
MIT
Used by 2
84Health
Framework npm

InversifyJS

A lightweight, decorator-driven IoC container that brings SOLID-friendly dependency injection to TypeScript and JavaScript apps.

289
MIT
Used by 2
26Health
Tool PyPI

mkdocs-exclude

A mkdocs plugin that excludes files from your documentation build using glob patterns or regexes.

95
Apache 2.0
Used by 2
93Health
Framework npm

Primer CSS

GitHub's official Sass design system framework, providing utility classes and component styles for building GitHub-style interfaces.

13,016
MIT
Used by 1
81Health
Framework npm

Raycast API

The official React and TypeScript API for building extensions and AI tools that run inside Raycast, plus the `ray` CLI for scaffolding, building, and publishing them.

7,743
MIT
Used by 1
62Health
Tool npm

AI Elements

A CLI and shadcn/ui-based component registry for building AI-native chat interfaces on top of the Vercel AI SDK.

2,434
Apache 2.0
Used by 1
91Health
Framework npm

PatternFly

The official HTML, CSS, and Handlebars source for PatternFly, Red Hat's open-source design system for building consistent enterprise UIs.

817
MIT
Used by 1
89Health
Framework npm

scenes

A React/TypeScript framework for building interactive, dashboard-like Grafana app plugins around a reactive scene graph.

206
Apache 2.0
Used by 1
15Health
Tool PyPI

load-dotenv

Automatically load .env files into your Python environment at startup, with zero code changes.

0
Apache 2.0
Used by 1
56Health
Tool PyPI

Gitingest

Turn any Git repository or local directory into a clean, token-counted text digest ready to paste into an LLM prompt.

15,521
MIT
86Health
Tool npm

gluestack-ui

A CLI that adds accessible, Tailwind-styled universal components straight into React & React Native codebases

5,303
MIT

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