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21st.dev

Discover share & remix the best UI components built by design engineers.

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Overview

21st.dev is a platform for discovering sharing and remixing the best UI components created by design engineers. It's optimized for modern development workflows and integrates seamlessly with popular AI coding tools like Cursor and Cline.

Key features

  • Curated UI component library
  • Integration with AI coding tools
  • Design engineer community
  • Component sharing and remixing
  • Modern development workflow optimization

Pros

  • High-quality curated components
  • Built by professional design engineers
  • AI tool integration
  • Community-driven development

Cons

  • Limited information on pricing
  • Newer platform with smaller library
  • Requires development knowledge

Best use cases

  • Rapid UI development
  • Design system creation
  • Component library building
  • Collaborative design engineering

Who is it for

  • Design engineers
  • Frontend developers
  • Product teams
  • Startup technical teams

Best alternatives

  • https://ui.shadcn.com/
  • https://chakra-ui.com/
  • https://mantine.dev/