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

74Health
Library npm

Radix UI

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

19,339
MIT
Used by 182
85Health
Framework npm

Express

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

69,493
MIT
Used by 158
44Health
Library npm

cmdk

Fast, unstyled command menu and combobox primitives for React.

12,988
MIT
Used by 133
91Health
Library npm

Recharts

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

27,594
MIT
Used by 127
91Health
Library npm

TanStack Table

Headless, type-safe tables and datagrids for React, Vue, Solid, and more.

28,461
MIT
Used by 117
63Health
Library npm

Sonner

An opinionated, animated toast notification component for React with a tiny imperative API.

13,016
MIT
Used by 117
81Health
Library npm

dnd-kit

A lightweight, extensible React library for building accessible drag-and-drop interfaces.

17,679
MIT
Used by 107
45Health
Library npm

next-themes

Perfect dark mode for React and Next.js apps in two lines of code, with zero flash on load.

6,336
MIT
Used by 97
69Health
Library npm

react-day-picker

A lightweight, fully customizable date picker component for React applications.

6,854
MIT
Used by 96
91Health
Tool PyPI

Uvicorn

A lightning-fast ASGI server for Python, built on uvloop and httptools.

10,993
BSD 3
Used by 83
90Health
Library npm

TanStack Virtual (React)

Headless React hook for virtualizing massive lists, grids, and tables at 60FPS.

7,123
MIT
Used by 83
84Health
Library npm

React Resizable Panels

Resizable, draggable panel group layouts for React with keyboard accessibility and SSR support built in

5,377
MIT
Used by 81
50Health
Library npm

cors

Node.js CORS middleware for Express and Connect that sets standards-compliant headers to control cross-origin browser access.

6,195
MIT
Used by 79
91Health
Framework PyPI

FastAPI

A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.

102,676
MIT
Used by 78
91Health
Library npm

React Flow

A highly customizable React library for building node-based editors, diagrams, and interactive flow charts.

38,512
MIT
Used by 78
53Health
Library npm

@monaco-editor/react

Drop the Monaco code editor into any React app without touching webpack, rollup, or bundler config files.

4,746
MIT
Used by 72
85Health
Library npm

Floating UI

React hooks and components for building accessible, perfectly positioned tooltips, popovers, and dropdowns.

32,753
MIT
Used by 68
76Health
Library npm

React Icons

SVG icon components for React, bundling 40+ popular icon packs behind one consistent import syntax.

12,671
MIT
Used by 64
90Health
Framework npm

Hono

A small, ultrafast web framework built on Web Standards that runs identically everywhere.

32,364
MIT
Used by 60
50Health
Library npm

React Syntax Highlighter

A React component for syntax-highlighting code blocks using highlight.js or Prism ASTs, with JavaScript-based styles and no external stylesheet required.

4,674
MIT
Used by 59
89Health
Library npm

xterm.js

A fast, self-contained TypeScript library for embedding fully-featured terminals in the browser.

21,228
MIT
Used by 57
91Health
Library npm

react-dropzone

A lightweight React hook for building HTML5-compliant drag-and-drop file upload zones.

11,012
MIT
Used by 56
49Health
Library npm

prism-react-renderer

A lightweight, themeable Prism syntax highlighter for React and React Native, built on a render-props API.

1,995
MIT
Used by 55
75Health
Library npm

React CodeMirror

A fully-typed React component and hook for embedding the CodeMirror 6 code editor with themes and language extensions.

2,253
MIT
Used by 54

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