21st.dev
AI Coding & Dev
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Need a landing page or app UI that actually looks designed? This is a registry of 12,000+ React components that you preview, copy as a prompt, and paste straight into Claude Code, Cursor, or v0. Instead of describing a hero section and hoping for the best, you hand your AI the exact component. Built on shadcn and Tailwind, and the free plan gives you 2 copies every day.