The best UI Design alternative to 21st.dev is Google Stitch, which is free. If that doesn't suit you, our users have ranked more than 50 alternatives to 21st.dev and four of them are UI Design Tools so hopefully you can find a suitable replacement. Other interesting UI Design Tool alternatives to 21st.dev are Readdy, Magic Patterns and Atoms.dev.
AI-powered platform designed for developing user interfaces for web and mobile applications, offering seamless export to design tools, direct frontend code access, monthly free usage quotas including Flash and Experimental modes, and supporting design efficiency.
Build your dream websites by talking with AI - no drag-and-drop needed. When you're happy, publish instantly, or export as clean code or Figma files. Perfect for small teams with limited design resources, or agencies looking to deliver 10x faster.
AI-powered prototyping tool enabling product teams to quickly generate UI aligned to existing styles, import design systems, collaborate live, gather user feedback, test new features, support data-driven decisions, and ensure enterprise-level security and compliance.
Atoms is an AI-powered multi-agent platform that simulates a complete development team including product manager, architect, and engineer. It turns natural language prompts into real apps, websites, dashboards, games, and more.
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