#What is Starwind UI?

Starwind UI is a beautiful, accessible, and animated component collection designed exclusively for Astro developers who want shadcn/ui-style simplicity and ownership without React dependencies. It's for Astro users—indie devs, performance-focused teams, content sites, marketing pages, or full apps—who prioritize pure Astro + vanilla JS, Tailwind-powered styling, keyboard navigation, and complete code control. By adding components via an easy CLI directly into your project, you avoid black-box libraries and gain full customization of styling, behavior, and functionality. Ideal for high-performance, SEO-friendly sites where you want modern UI patterns (buttons, dialogs, accordions, sidebars, etc.) with seamless theming and accessibility baked in—delivering the "copy-paste but better" DX of shadcn/ui adapted perfectly to Astro's island architecture.

#Features ⚡

• Own The Code: CLI command adds component source files straight to your project—no external packages or runtime overhead.

• Fully Customizable: Modify every aspect—Tailwind classes, logic, animations, or structure—to match your brand or needs.

• Accessible by Design: Keyboard-navigable, screen-reader friendly components with proper ARIA and focus management.

• Pure Astro + Vanilla JS: No React or heavy frameworks; leverages Astro's native components for optimal performance.

• Tailwind CSS v4+ Theming: CSS variables mirror shadcn/ui closely for easy migration or co-existence; light/dark/system modes supported.

• Animated & Modern: Built-in smooth transitions and interactions that feel premium without extra libs.

• CLI-Powered Workflow: Seamless installation similar to shadcn/ui—run the CLI to scaffold and integrate components.

• Open Source & MIT Licensed: Free to use, fork, modify, or contribute with full transparency.

#Pros ✅

• Perfect Astro-native alternative to shadcn/ui—solves the "React in Astro" friction for pure Astro fans.

• Full code ownership means no vendor lock-in or hidden dependencies.

• Strong accessibility and customization focus rivals or exceeds many libraries.

• Excellent theming compatibility with shadcn/ui CSS vars for hybrid or migration projects.

• Actively updated (v1.15 recently) with community-requested components like sidebar and theme-toggle.

• Zero-cost, MIT open source—ideal for indie devs and production apps.

#Cons ⚠️

• Astro-only: Not suitable if your stack is React/Next.js-heavy (use shadcn/ui instead).

• Requires Tailwind CSS setup first for full styling power.

• Component count (42+) is solid but still growing compared to mature libraries.

• Pure vanilla JS means you handle more interactivity logic yourself (no Radix-like primitives out of the box).

#Included Components - Templates

• Core Interactions: Button, Accordion, Collapsible, Dialog, Tooltip, Dropdown Menu.

• Forms & Inputs: Input OTP, various form elements with accessible patterns.

• Layout & Navigation: Sidebar, Prose (rich text/content styling), Theme Toggle.

• Data Display: Cards, Tables, Avatars, and flexible Item blocks.

• Overlays & Feedback: Modals, Toasts, Alerts, Progress indicators.

• Utilities: cn helper equivalents, global styles, and theming setup.

• More: 42+ total, with docs for each including usage, props, and customization examples.

#Pricing 💸

• 100% free and open-source under the MIT license.

• No tiers, subscriptions, pro versions, or paid features—all components, CLI, and docs are fully accessible at no cost.

• Optional: Contribute or sponsor via GitHub if you love it.

#Integrations 🧰

• Astro: Native components built for Astro's islands and partial hydration.

• Tailwind CSS v4+: Primary styling engine with shadcn/ui-like CSS variables.

• Vanilla JavaScript: All interactivity handled without frameworks.

• CLI: Custom easy-to-use installer (similar to npx shadcn@latest add).

• GitHub: Source at github.com/starwind-ui/starwind-ui for forking or contributions.

• Compatible with Astro ecosystems: Content collections, islands, SSR/SSG.