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21st.dev

Developer tools and platforms · by 21st

Community registry for browsing, copying, and installing 10,000+ React and Tailwind CSS components and templates via AI-ready prompts or shadcn CLI.

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What it does

Community registry for browsing, copying, and installing 10,000+ React and Tailwind CSS components and templates via AI-ready prompts or shadcn CLI.

  • Browse and copy React/Tailwind CSS components
  • Install components via AI prompts or shadcn CLI
  • Generate and refine UI with multi-model AI
Category
Developer tools and platforms
Users
indie makers, product teams, agencies, design engineers
Public API
Not offered

Not yet disclosed: deployment options, platforms, languages and support channels.

Pricing

  • Free plan$0
  • Subscription$6/month
    • Billed yearly (Builder)

Prices as published by 21st, checked Oct 2026.

Security and compliance

As reported by 21st. Ask for audit reports before you buy.

  • SOC 2In progress
  • Encryption in transit (TLS 1.2 or higher)
  • Encryption at rest on supported subprocessors
  • Multi-factor authentication on internal accounts with production access
  • Role-based access controls with regular access reviews
  • Background checks for personnel handling production data
  • Continuous vulnerability monitoring of codebase and dependencies

Reviews

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