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 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.

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

💌 Build and send emails using React

📄 Create PDF files using React

Write components once, run everywhere. Compiles to React, Vue, Qwik, Solid, Angular, Svelte, and more.

A toolchain for building scalable, enterprise-ready component systems on top of TypeScript and Web Component standards. Stencil components can be distributed natively to React, Angular, Vue, (+ more) and traditional web applications from a single, framework-agnostic codebase.

Your agent writes bad React. This catches it

ASP.NET Core eCommerce software. nopCommerce is a free and open-source shopping cart.