Open source. Open possibilities.

Magic UI is an open-source UI library providing animated components and effects designed for design engineers to copy and paste into their applications.

Tailwind CSS is an open-source utility-first CSS framework for rapidly building custom user interfaces. The repository points to tailwindcss.com for full documentation, GitHub Discussions for community help and ideas, and contributing docs for pull requests.

Tailgrids is an open-source React UI component library built with Tailwind CSS, offering 100+ production-ready copy-paste components plus UI blocks and templates, with TypeScript support, accessibility, dark mode and a CLI installer.

AI-powered template that clones any website into a clean Next.js app via a single command. Supports Claude Code, Cursor, Codex, Gemini, and more.

A production-oriented Go + HTMX + templ micro-SaaS starter: Supabase auth and Postgres Row Level Security proven end-to-end, CI-enforced performance budgets and design tokens, plus a layered AI constitution and halt-on-violation gate for agent-assisted development.

TW Elements is an MIT-licensed component library for Tailwind CSS, offering 500+ interactive UI components and 117+ design blocks with dark mode support, theming options, and quick installation for personal and commercial use.

Lightswind UI is an English-documented React component library distributed as source code via a CLI. It provides 160+ animated, accessible components and an MCP server for AI coding tools, with MIT-licensed core components and optional Pro content.

create-t3-app is an interactive CLI that scaffolds a modular, full-stack, typesafe Next.js application, letting you pick only the pieces you need from the T3 Stack such as tRPC, Tailwind CSS, Prisma, Drizzle and NextAuth.js.

A full-stack project template combining FastAPI, SQLModel, PostgreSQL, React, Vite, Tailwind CSS and shadcn/ui, with JWT auth, Docker Compose deployment, Traefik HTTPS, email recovery and CI/CD.

Twin.macro is a Babel macro that brings Tailwind CSS utility classes to CSS-in-JS workflows, converting tw, css, styled, and theme usages into CSS objects at build time. It supports emotion, styled-components, solid-styled-components, stitches, and goober, with setup examples for Vite, Next.js, Gatsby, Storybook, and more.

Cult UI is an MIT-licensed collection of accessible, customizable components styled with Tailwind CSS and compatible with shadcn. It emphasizes copy-and-paste integration and also bundles AI agent patterns, premium blocks, and starter templates.

Skeleton is an adaptive design system built on Tailwind CSS. It provides turnkey components for popular web frameworks, along with documentation, a theme generator, and community channels.

The TablePro marketing site, a Laravel + Inertia + React web application serving the homepage, comparison pages, database landing pages, blog, and legal pages for the native macOS database client TablePro. It runs without a database or credentials, using markdown and JSON content.

Nuxt UI is a Vue and Nuxt component library built on Reka UI, Tailwind CSS and Tailwind Variants, offering accessible, themeable interface components plus official starter, landing, docs, SaaS, dashboard, chat and other templates under the MIT license.

Flowbite is an open-source UI component library built on Tailwind CSS, offering interactive components like modals, dropdowns and datepickers driven by data attributes, with vanilla JS APIs, TypeScript types, RTL support and bindings for React, Vue, Svelte and Angular.

Tremor offers 35+ customizable, accessible React components for building charts and dashboards. Built on Tailwind CSS and Radix UI, the components are designed for copy-and-paste use, with installation documentation and an Apache 2.0 license.

UI UX Pro Max is an open-source AI skill for Claude Code, Cursor, and other AI coding assistants. It provides design intelligence including 79 searchable UI styles, 192 industry-specific reasoning rules, 192 color palettes, 74 font pairings, and stack-specific UI/UX guidelines across 22 tech frameworks.

RetroUI is a retro-styled Tailwind CSS component library that provides NeoBrutalism-inspired UI elements for building bold, modern web applications.

A comprehensive production-ready boilerplate for Next.js 16+, Tailwind CSS 4, and TypeScript, prioritizing developer experience with a full suite of testing, linting, and monitoring tools.

Oruga is a lightweight Vue.js 3 UI component library with no CSS framework dependency. It provides customizable components, tree-shaking, themes, and class-mapping configuration for integrating Tailwind, Bulma, Bootstrap, or custom styles.