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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tween-functions
A tiny JavaScript library of Robert Penner's easing functions for smooth animation interpolation.
rc-motion
Lifecycle-driven CSSMotion primitives for React enter, leave, and list animations.
React Async Script
A React higher-order component that loads third-party scripts asynchronously, dedupes them across component instances, and forwards refs to the wrapped component.
react-click-away-listener
A tiny (~700B) React hook-based component that detects clicks outside its child element to close menus, modals, and dropdowns.
@sanity/ui
Sanity's React design system: styled-components-based primitives, form controls, and a themeable token system
React LogViewer
Virtualized React component for lazily viewing large logs with ANSI highlighting and search.
react-json-pretty
A lightweight React component that renders JSON data as syntax-highlighted, themeable HTML.
react-apple-signin-auth
A drop-in React button and helper API for Sign in with Apple, built directly on Apple's official JS SDK.
react-file-icon
A lightweight React component that renders themeable SVG file-type icons from simple props.
wreq-util
Browser and OkHttp client emulation, TLS certificate compression, and delay middleware for the wreq HTTP client.
@dr.pogodin/react-helmet
Thread-safe document head management for React 19 with tag deduplication, SSR support, and SEO tag prioritization.
rc-align
A React component that positions a child element against any target node or point.
react-refractor
A thin React wrapper around refractor/Prism that renders syntax-highlighted code as virtual DOM instead of touching the DOM directly.
react-rx
Lightweight React hooks and reactive components for working with RxJS Observables
daily-react
React hooks and components for building video and audio calling apps on Daily's WebRTC platform.
use-long-press
A configurable React hook for detecting click, tap, or point-and-hold gestures.
react-display-name
A tiny utility that returns the displayName of any React component.
configcat-js
Official JavaScript SDK for evaluating ConfigCat feature flags and remote config values directly in the browser.
i18next-pseudo
A pseudolocalization post-processor for i18next that stretches and re-letters strings to surface UI and translation bugs before real translations arrive.
jotai-x
jotai-x auto-generates type-safe hooks, providers, and scoped state stores on top of Jotai.
react-dropzone-esm
An ESM/CJS-ready fork of react-dropzone for drag-and-drop file uploads in React.
estree-util-build-jsx
Converts JSX embedded in an ESTree syntax tree into React.createElement or automatic jsx-runtime calls.
Untitled UI Icons React
1,100+ hand-crafted Untitled UI icons packaged as tree-shakeable, typed React components.
use-device-pixel-ratio
A React hook that returns the device pixel ratio and reacts to changes across displays.
