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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React Testing Library
Simple and complete React DOM testing utilities that encourage good testing practices.
React Hook Form
Performant, flexible React forms built on hooks with minimal re-renders and built-in validation.
Recharts
A composable charting library for React, built on D3 and SVG.
Zustand
A small, fast React state management library with a hook-based API and no boilerplate.
TanStack Table
Headless, type-safe tables and datagrids for React, Vue, Solid, and more.
react-i18next
React bindings for the i18next internationalization ecosystem, built on hooks and a translation-aware Trans component.
TanStack Virtual (React)
Headless React hook for virtualizing massive lists, grids, and tables at 60FPS.
FastAPI
A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.
undici
A fast, spec-compliant HTTP/1.1 client for Node.js, built from scratch with zero runtime dependencies
Emotion
Performant, flexible CSS-in-JS styling for React with the css prop, theming, and SSR support
prism-react-renderer
A lightweight, themeable Prism syntax highlighter for React and React Native, built on a render-props API.
react-error-boundary
Reusable React error boundary component that catches rendering errors and shows a fallback UI.
urllib3
A powerful, user-friendly HTTP client for Python with thread-safe connection pooling, TLS verification, and retry handling.
proxy-agent
Maps HTTP, HTTPS, SOCKS, and PAC proxy protocols to the correct Node.js http.Agent implementation automatically.
rich
A Python library for rendering rich text, tables, progress bars, and syntax-highlighted code in the terminal.