An open source collection of high quality, animated, interactive & fully customizable React components for building stunning, memorable user interfaces.

Customize theme for shadcn/ui with tweakcn's interactive editor. Supports Tailwind CSS v4, Shadcn UI, and custom styles. Modify properties, preview changes, and get the code in real time.

A design system for building faithful recreations of the Windows 7 UI.

A design system for building faithful recreations of old UIs.

Tailwind CSS is a utility-first CSS framework for rapidly building modern websites without ever leaving your HTML.

Gatsby is a React-based open source framework with performance, scalability and security built-in. Collaborate, build and deploy 1000x faster on Netlify.

Production grade React applications that scale. The world's leading companies use Next.js by Vercel to build static and dynamic websites and web applications.

Make beautiful websites regardless of your design experience. Beautiful, fast and modern React UI library for building accessible and customizable web applications.

Completely unstyled, fully accessible UI components, designed to integrate beautifully with Tailwind CSS.

MUI provides a simple, customizable, and accessible library of React components. Follow your own design system, or start with Material Design.

A declarative, HTML‑based language that makes building web apps fun. Marko is HTML re‑imagined as a language for building dynamic and reactive user interfaces.

Get started with an open-source library of over 600+ UI components, sections, and pages built with the utility classes from Tailwind CSS and designed in Figma.

Tailwind CSS Components Library. Examples, Tailwind themes and Tailwind blocks for fast UI development

A set of beautifully designed components that you can customize, extend, and build on. Start here then make it your own. Open Source. Open Code.

The Cesium platform provides the foundations any software application needs to utilize 3D geospatial data: visualization, data pipelines, curated data, and analytics.

Intuitive React components for advanced charting and data visualization.

A composable charting library built on React components. Recharts makes it easy to integrate charts into your React application

Make Data Come To Life. Ant enterprise data visualization solutions, so that people in the data world to get the ability to think visually.

Mapping platform designed for developers. Publish interactive maps in your web applications and on mobile devices.

Open-Source Map Hosting lets you display custom maps on your website and apps for free.

Best-in-class Design Systems collection with a repository of Components and Foundations references from top-tier tech companies and leading UI teams.

Mithril.js is a modern, small, fast client-side Javascript framework for building Single Page Applications.

Brainly Design System is the source of truth that will answer all your design questions. Made using ZeroHeight

CSS-in-JS with build time generated styles, RSC compatible, multi-variant support, and best-in-class developer experience. Write type-safe styles with ease using Panda.

A light-weight, no-dependency, vanilla JavaScript library to drive user's focus across the page.

A free and open source map of the world. Protomaps is an alternative to Map APIs that you run on your own cloud storage.

An open-source JavaScript library for declarative data-first drag & drop.

The Javascript library for modern Drag and Drop Apps. A Drag-and-Drop library that manipulates the DOM instead of reconstructing it and has its own scheduler and reconciler.

JavaScript drag and drop, resizing, and multi-touch gestures for modern browsers (and also IE9+)

Draggable is a lightweight, responsive, modern drag and drop JavaScript library – the ideal choice for adding slick native-feeling drag and drop behaviour to your web apps.