Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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Radix UI
Unstyled, accessible React UI primitives for building your own design system.
eslint-plugin-jsx-a11y
Static ESLint rules that catch JSX accessibility issues before code ships.
Headless UI
Unstyled, fully accessible UI components for React and Vue, built for Tailwind CSS
Base UI
Unstyled, accessible React components and low-level hooks for building your own design system.
React Aria
Unstyled, accessible React hooks and components for building your own design system.
react-colorful
A tiny, dependency-free color picker component for React and Preact apps
ua-parser-js
Detects browser, engine, OS, CPU, and device type from a User-Agent string or Client Hints, in browsers and Node.js.
ejs
Embedded JavaScript templates for rendering HTML with plain JS control flow
downshift
Accessible React hooks and a render-prop primitive for building fully custom autocomplete, combobox, select, and multi-select components.
Ariakit
Unstyled, accessible React components implementing WAI-ARIA patterns for building custom design systems.
unocss
An instant, on-demand atomic CSS engine with zero core utilities and fully pluggable presets.
Radix UI Themes
Radix UI's official React component library for building accessible, themeable design systems with pre-styled components and design tokens.
focus-trap
A tiny vanilla-JS library that traps keyboard focus inside a DOM node for accessible modals and dialogs
React Split Pane
Accessible, hooks-based resizable split-pane layouts for React
focus-trap-react
A lightweight React component that traps and manages keyboard focus inside modals, dialogs, and other overlays for full keyboard accessibility.