Material UI: Comprehensive React component library that implements Google's Material Design. Free forever.

React and Next.js performance guidance for writing, reviewing, and refactoring production UI code.

🌼 🌼 🌼 🌼 🌼  The most popular, free and open-source Tailwind CSS component library

Chakra UI is a component system for building SaaS products with speed ⚡️

The Frontend Stack for Agents & Generative UI. React, Angular, Mobile, Slack, and more. Makers of the AG-UI Protocol

A React Framework for building internal tools, admin panels, dashboards & B2B apps with unmatched flexibility.

Display PDFs in your React app as easily as if they were images.

Translate Figma designs into production-ready UI code with close visual fidelity and component-level detail.

The Cursor for Designers • An Open-Source AI-First Design tool • Visually build, style, and edit your React App with AI

Reviews animation and motion code against a high craft bar derived from Emil Kowalski's design engineering philosophy. Default to flagging; approval is earned.

Markdown for the component era

💌 Build and send emails using React