Free Open Source shadcn/ui Templates

Stack Auth is an open-source authentication platform that serves as a developer-friendly alternative to Auth0 and Clerk, designed specifically for Next.js, React, and JavaScript applications. This comprehensive authentication solution provides everything needed for user management including OAuth integration with popular providers (Google, GitHub, Microsoft), magic link authentication, passwordless login with passkeys, multi-tenancy support for serving multiple organizations, role-based access control (RBAC) for granular permissions, and automatic email notifications for user actions. The platform can be set up in just five minutes and offers both managed cloud hosting and self-hosting options, giving teams complete control over their authentication infrastructure. Built with developer experience in mind, Stack Auth includes pre-built UI components styled with shadcn/ui, TypeScript SDK for type-safe integration, webhook support for custom workflows, and comprehensive session management. Perfect for startups and enterprises building SaaS applications, the platform eliminates the complexity of authentication while remaining extensible and customizable, allowing developers to add authentication to their Next.js applications without vendor lock-in or hefty monthly fees, while maintaining full ownership of user data and authentication flows.

Shadcn Table (Tablecn) is a production-ready, feature-rich data table component built with Next.js, shadcn/ui, TanStack Table, and Drizzle ORM, offering comprehensive server-side functionality for enterprise applications. This advanced table implementation provides server-side pagination, sorting, and filtering with seamless PostgreSQL integration through Drizzle ORM, ensuring optimal performance even with large datasets. The component includes customizable column configurations, dynamic toolbars with bulk actions, advanced filtering capabilities inspired by Notion and Linear's powerful filter systems, responsive design that adapts to mobile and desktop viewports, and export functionality for data analysis. Built on TanStack Table (formerly React Table), it supports features like column visibility toggling, column resizing, multi-column sorting, faceted filters for categorical data, and debounced search inputs for smooth user experience. Perfect for admin dashboards, SaaS applications, and data-heavy interfaces, Tablecn demonstrates best practices for building performant, accessible data tables with modern React patterns, type-safe database queries, and beautiful UI components from shadcn/ui, making it an ideal reference implementation or starting point for projects requiring sophisticated data management interfaces.

Assistant UI is an open-source TypeScript/React library designed for rapidly building production-grade AI chat interfaces with ChatGPT-like experiences. This comprehensive UI toolkit provides fully composable primitives built on Radix UI with built-in features like message streaming, automatic scrolling, typing indicators, and complete accessibility support through WAI-ARIA compliance. The library supports integration with major AI providers including OpenAI, Anthropic Claude, Google Gemini, and any backend compatible with Vercel AI SDK, offering maximum flexibility for AI application development. With enterprise-ready components, developers get features like markdown rendering, code syntax highlighting, file attachments, voice input support, conversation threading, and customizable themes that work seamlessly with shadcn/ui styling. The composable architecture allows fine-grained control over every aspect of the chat interface, from message bubbles and input areas to suggestion chips and action buttons, while maintaining excellent performance and developer experience. Perfect for building AI assistants, customer support chatbots, documentation helpers, or any conversational AI application, Assistant UI eliminates weeks of UI development by providing battle-tested components that handle the complexity of real-time streaming, state management, and user interactions, allowing teams to focus on AI logic rather than interface implementation.

Invoify is an open-source invoice generator application built with Next.js 13, TypeScript, Tailwind CSS, and shadcn/ui, designed to help freelancers, small businesses, and professionals create professional invoices quickly and easily. This feature-rich web application provides an intuitive interface for generating customizable invoices with real-time preview, multiple professional templates to match your brand, automatic calculations for subtotals, taxes, and totals, support for multiple currencies and tax rates, and the ability to add custom business logos and branding. Users can create invoices with detailed line items, apply discounts, manage client information, and instantly generate high-quality PDF documents ready for download or email distribution. The application includes invoice management features allowing users to save, edit, and track their invoices, with local storage support for convenience and data persistence. Perfect for consultants, contractors, service providers, and small business owners who need a simple yet professional invoicing solution without monthly subscription fees, Invoify demonstrates excellent use of modern React patterns, form validation, PDF generation libraries, and shadcn/ui components to deliver a polished, production-ready application that streamlines the invoicing workflow.

21st.dev is an open-source community registry and marketplace for shadcn/ui-based React components, serving as the npm for design engineers who want to publish, discover, and install minimal, modern, and reusable UI components. Inspired by shadcn/ui's philosophy, this platform provides a comprehensive collection of high-quality React components, blocks, and custom hooks powered by Tailwind CSS and Radix UI primitives, all installable with a single npx shadcn command. The registry emphasizes TypeScript support throughout, offers multiple live demos for each component to showcase different variations and use cases, and maintains a community-driven curation process ensuring component quality and consistency. Developers can browse components by category, search for specific functionality, preview components with interactive examples, and install them directly into their projects with full source code access for customization. Perfect for design engineers and React developers looking to accelerate UI development, 21st.dev eliminates the need to build common components from scratch by providing battle-tested, production-ready implementations that follow modern React patterns and accessibility best practices. The marketplace includes everything from form components and navigation elements to complex data visualizations and interactive widgets, making it an invaluable resource for teams building Next.js applications, design systems, and component libraries with shadcn/ui as their foundation.

Motion Primitives is an open-source UI component library designed to help engineers and designers create beautiful, animated interfaces faster using Framer Motion and Tailwind CSS. This comprehensive animation toolkit provides ready-to-use motion components that simplify the process of adding sophisticated animations to web applications without requiring deep animation expertise. The library offers a growing collection of customizable components including animated buttons, cards, modals, page transitions, scroll-triggered animations, and interactive micro-interactions, all built with performance and accessibility in mind. Each component is crafted to be developer-friendly with clear documentation, live previews, and copy-paste installation, following the same philosophy as shadcn/ui. Currently in active development with regular component releases and updates, Motion Primitives eliminates the complexity of configuring Framer Motion from scratch by providing pre-built, production-ready animation patterns that work seamlessly with Next.js and React applications. Perfect for developers building landing pages, marketing sites, SaaS applications, or any project requiring engaging user experiences, the library helps teams add professional-grade animations and transitions that enhance usability and delight users, while maintaining clean code and excellent performance through optimized animation techniques and GPU-accelerated transforms.

Next Shadcn Dashboard Starter is a comprehensive, production-ready admin dashboard template built with Next.js 15, TypeScript, shadcn/ui, and Tailwind CSS, designed to accelerate the development of modern web applications. This feature-rich starter comes pre-configured with Clerk authentication for secure user management, Sentry integration for error tracking and performance monitoring, Zustand for lightweight state management, and a complete set of essential dashboard components. The template includes pre-built pages for user management, analytics, settings, and data visualization, along with ready-to-use components like advanced data tables with sorting and filtering, comprehensive form components with validation, a Kanban board for task management, and customizable charts and graphs. Built with developer experience as a priority, the starter follows Next.js best practices with App Router architecture, server components for optimal performance, and TypeScript strict mode for type safety throughout the codebase. Perfect for building SaaS admin panels, internal business tools, analytics dashboards, or content management systems, this template eliminates weeks of initial setup by providing a solid foundation with authentication flows, error handling, responsive layouts, and a clean, professional design that works across devices. The modern tech stack and thoughtful architecture make it easy to customize and extend for specific project requirements while maintaining code quality and scalability.

Neobrutalism Components is an open-source React UI library featuring a unique collection of Tailwind CSS components styled in the distinctive neobrutalism design aesthetic, characterized by bold colors, thick borders, hard shadows, and raw, unapologetic visual elements. Inspired by shadcn/ui's component architecture, this library provides pre-built components including buttons, cards, forms, inputs, navigation elements, and layout components, all designed to help developers quickly implement the bold, minimalist neobrutalism style that has gained popularity in modern web design. The project serves as both a learning resource for those interested in neobrutalism design principles and a practical component library for creating brutalist-style layouts with minimal effort. Each component showcases the characteristic features of neobrutalism including high contrast color schemes, prominent borders and outlines, deliberate lack of rounded corners, strong geometric shapes, and intentionally raw aesthetics that reject modern design polish. While the project is no longer actively maintained, it remains a valuable design resource with comprehensive documentation at neobrutalism.dev, providing developers with ready-to-use components and code examples for creating websites and applications that embrace the neobrutalist movement's philosophy of digital authenticity, functional simplicity, and visual boldness that stands out from conventional sleek designs.

Sink is an open-source, serverless link shortener built entirely on Cloudflare's edge infrastructure, offering a simple, speedy, and secure alternative to traditional URL shortening services like Bitly or TinyURL. Built with Nuxt, Tailwind CSS, and shadcn-vue components, Sink provides powerful URL management capabilities including custom slug generation, AI-powered slug suggestions, link expiration settings, and comprehensive click analytics to track link performance. Running 100% on Cloudflare Workers, Pages, and D1 database, the application delivers exceptional performance with global edge distribution, zero cold starts, and minimal latency regardless of user location. The platform includes features like QR code generation for shortened links, link categorization and organization, detailed analytics dashboards showing click counts, geographic data, and referrer information, and API access for programmatic link management. Perfect for developers, marketers, and businesses needing a self-hosted link shortening solution without vendor lock-in, Sink can be deployed to Cloudflare in minutes with a generous free tier that handles thousands of requests. The serverless architecture ensures automatic scaling, cost efficiency, and reliability while maintaining complete data ownership and privacy, making it an ideal choice for teams wanting enterprise-grade link management without monthly subscription fees or usage limits imposed by commercial alternatives.

V1 (Create v1) is an open-source, production-ready SaaS starter kit created by the Midday team, providing a comprehensive monorepo framework built with cutting-edge technologies to accelerate startup and SaaS product development. This enterprise-grade starter leverages Next.js for the application framework, Turborepo for efficient monorepo management, Supabase for backend infrastructure including authentication and database, Tailwind CSS with shadcn/ui for beautiful user interfaces, and a carefully curated stack of integrated tools. The starter includes pre-configured solutions for user authentication with multiple providers, email templates with React Email, internationalization (i18n) support for global markets, analytics and monitoring setup, database migrations and management, API routes and server actions, and comprehensive testing infrastructure. Built with best practices that scale with your business, V1 emphasizes code reusability across the monorepo, type safety with TypeScript throughout, and developer experience with hot reload, linting, and formatting. Perfect for founders and development teams looking to launch SaaS products quickly without sacrificing code quality or scalability, the starter eliminates weeks of initial configuration by providing a battle-tested architecture used in production by Midday. The monorepo structure enables sharing code between web apps, mobile apps, and packages, while the integrated tooling ensures consistent development patterns and maintainability as your product grows.

AutoForm is an open-source React library that automatically generates dynamic, fully-functional forms from existing data schemas with built-in validation, eliminating the need to manually build form components. By simply passing a schema definition (such as Zod, Yup, or other validation libraries), AutoForm instantly renders production-ready forms with proper input types, validation rules, error messages, and submit handling. The library supports multiple UI frameworks including shadcn/ui, Material UI, Mantine, and custom renderers, making it incredibly versatile across different design systems and project requirements. Perfect for rapidly prototyping internal tools, admin panels, settings pages, or any scenario where forms need to be created quickly without sacrificing functionality, AutoForm handles complex field types including text inputs, checkboxes, select dropdowns, date pickers, file uploads, and nested object structures. The schema-agnostic design means it integrates seamlessly with your existing validation logic, while the customization options allow overriding default behavior for specific fields when needed. Developers save hours of repetitive form-building work, as AutoForm automatically infers field types from schema definitions, applies validation rules client-side and server-side, generates accessible form markup with proper labels and ARIA attributes, and handles form state management internally. Ideal for MVPs, prototypes, and low-priority forms where development speed is crucial, this library demonstrates how schema-driven development can dramatically accelerate UI implementation while maintaining type safety and code quality.

Kirimase is a powerful command-line tool inspired by Ruby on Rails that supercharges full-stack Next.js development by automating package setup and generating production-ready code for models, views, and controllers. This CLI scaffolding tool enables developers to build Next.js applications incredibly fast by providing interactive prompts to add and configure essential packages like ORMs (Drizzle, Prisma), authentication providers (Auth.js, Clerk, Lucia, Kinde), UI libraries (shadcn/ui), tRPC for type-safe APIs, Stripe for payments, and Resend for emails. Kirimase goes beyond simple boilerplate generation by creating complete CRUD operations with a single command, automatically generating database schemas, API routes, server actions, React components, and forms that work together seamlessly. The tool follows Next.js best practices including App Router conventions, server components, TypeScript strict mode, and proper error handling, while maintaining consistency across your codebase. Perfect for developers who want the productivity of Rails scaffolding in the Next.js ecosystem, Kirimase eliminates hours of repetitive setup work by instantly configuring packages with optimal settings, generating resource scaffolds that include database migrations, API endpoints, and UI components, and providing a cohesive development workflow that scales from prototypes to production applications. The intelligent code generation understands relationships between resources, handles authentication contexts, and integrates with your chosen tech stack, making it an essential tool for solo developers, startups, and teams building modern full-stack applications with Next.js.