Composable, accessible components with thoughtful defaults. Build your own component library with code you can customize, extend, and make your own.
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47,133 repositories indexed
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🔥🔥🔥 Open-source Jira, Linear, Monday, and ClickUp alternative. Plane is a modern project management platform to manage tasks, sprints, docs, and triage.
A powerful cross-platform UI toolkit for building native-quality iOS, Android, and Progressive Web Apps with HTML, CSS, and JavaScript.
Full-stack web application template with FastAPI, React, SQLModel, PostgreSQL, Vite, Tailwind CSS, shadcn/ui, FastAPI Cloud, and Docker Compose.
A terminal built on web technologies
✨ Innovative and open-source visualization application that transforms various data formats, such as JSON, YAML, XML and CSV into interactive graphs.
Fast, expressive styling for React. Server components, client components, streaming SSR, React Native—one API.
Chakra UI is a component system for building SaaS products with speed ⚡️
Clone any website with one command using AI coding agents
SigNoz is an open-source, OpenTelemetry-native observability platform for your team and their AI agents. Get logs, metrics, and traces in one tool with features like APM, distributed tracing, log management, infra monitoring, etc. Combined with SigNoz MCP and a native AI teammate (in SigNoz Cloud) it helps you build more resilient apps.
Hey is a decentralized and permissionless social media app built with Lens Protocol 🌿
✌️ A spring physics based React animation library
Completely unstyled, fully accessible UI components, designed to integrate beautifully with Tailwind CSS.
Authentication for the Web.
The Developer Tool for Visual Engineers • An Open-Source AI-First Design tool • Visually build, style, and edit your code with AI • World's best, top-most agent recommended #1 Developer tool for Designers and Visual Engineers to design with Real Code.
Modern React starter kit with Bun, TypeScript, Tailwind CSS, tRPC, Stripe, and Cloudflare Workers. Production-ready monorepo for building fast web apps.
Style React fast with 100% parity on React Native, an optional UI kit, and optimizing compiler.
Open Source Qualtrics Alternative
🚀🎉📚 Nextjs Boilerplate and Starter with App Router and Page Router support, Tailwind CSS 4 and TypeScript ⚡️ Made with developer experience first: Next.js 16 + TypeScript + ESLint + Prettier + Drizzle ORM + Husky + Lint-Staged + Vitest + Testing Library + Playwright + Storybook + Commitlint + VSCode + Sentry + PostCSS + Tailwind CSS ✨
Session replay, cobrowsing and product analytics you can self-host. Best for reproducing issues and iterating on your product.
Zero-runtime CSS in JS library
🔥 A well-tested feature-rich modular Firebase implementation for React Native. Supports both iOS & Android platforms for all Firebase services.
A tool for generating code based on a GraphQL schema and GraphQL operations (query/mutation/subscription), with flexible support for custom plugins.
coss.com/ui is the official design system of Cal.com