#What is 21st.dev?

21st.dev is a vibrant, open-source hub tailored for React developers and UI builders who want to supercharge their workflows with high-quality, community-vetted components, skipping the tedium of from-scratch designs. Its core value is democratizing premium UI assets by offering free, production-grade elements that blend seamlessly into modern stacks, ensuring accessibility and responsiveness from the get-go. Powered by React, Tailwind CSS, and primitives like Radix UI, it's ideal for use-cases such as rapidly assembling dashboards for SaaS apps, enhancing e-commerce interfaces, prototyping mobile-responsive sites, or contributing back to a collaborative ecosystem—anywhere you need polished, extensible UI without the design debt.

#Features ⚡

• Live Component Previews: Interactive demos for each UI element, letting you tweak styles and behaviors in real-time before copying code.

• Copy-Paste Code Snippets: One-click exports of full TypeScript/JSX implementations, complete with props, variants, and Tailwind classes for immediate use.

• Figma Design Files: Downloadable source files for every component, bridging dev and design teams with pixel-perfect handoffs.

• Search and Filtering: Intuitive discovery by category (e.g., forms, navigation, data display) or tags like "dark mode" and "mobile-first."

• Customization Guides: Inline docs explaining prop overrides, theming with CSS variables, and a11y best practices for seamless adaptation.

• Contribution Workflow: Easy GitHub-based PRs for adding new components, with templates and review processes to maintain quality.

#Pros ✅

• Speeds up development by 5x with battle-tested, accessible components that reduce bugs and QA time

• Truly free and open-source, empowering indie devs and agencies alike without licensing hurdles

• Community-driven evolution keeps the library fresh and aligned with React ecosystem trends

• Excellent docs and examples make it newbie-friendly while satisfying power users

• Strong emphasis on performance and inclusivity, fitting modern web standards effortlessly

#Cons ⚠️

• Limited to React/Tailwind stacks; Vue or vanilla JS users will need adaptations

• Collection is growing but may lack niche or highly specialized components compared to paid libraries

• Relies on community contributions, so update cadence depends on maintainer activity

#Included Components - Templates

• Foundational Elements: Button, Input, Card for basic layouts and styling

• Interactive Controls: Modal, Tooltip, DropdownMenu for dynamic user engagement

• Data Visualization: Chart (bar/line/pie), Table with sorting and filtering

• Form Components: Select, CheckboxGroup, DatePicker for robust input handling

• Navigation Aids: Sidebar, Breadcrumbs, Tabs for seamless app flows

• Advanced Overlays: Progress, Skeleton, Avatar with variants and dark mode support

• Figma Counterparts: Design files for all components to align dev and design teams

#Pricing 💸

• Free Tier ($0): 100% open-source under MIT license, with full access to all components, previews, and resources for unlimited personal or commercial use

• No Paid Tiers: No subscriptions, premium plans, or upsells—everything is available via the website and GitHub repo

• Community Support: Optional contributions or engagement through GitHub issues and discussions at no cost

#Integrations 🧰

• Frameworks: React 18+, Next.js, Remix for modern app development

• Styling: Tailwind CSS, Emotion, or other CSS-in-JS libraries

• UI Primitives: Radix UI, Headless UI for unstyled, accessible foundations

• Design Tools: Figma for direct import of component design files

• Deployment: Vercel, Netlify for hosting and previews of React apps

• Tooling: TypeScript, Vite, or Webpack for build pipelines