21st.dev is described as 'Platform showcasing a wide variety of community-made UI components, from buttons and sliders to AI chat interfaces and animated heroes, all available for developers to explore and use' and is an website. There are more than 50 alternatives to 21st.dev, not only websites but also apps for a variety of platforms, including SaaS, iPhone, Android and Mac apps. The best 21st.dev alternative is Lovable, which is free. Other great sites and apps similar to 21st.dev are Firebase Studio, Replit, GitHub Spark and DeepSite.
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Open source tool centered on AI-driven full stack app development, Nut generates bug analysis via Replay.io recordings and runtime behavior capturing, offering AI developers explanations for effective resolutions. Early adopters enjoy free access for feedback contributions.
Generate a sleek landing page with AI in minutes. Export Next.js, Tailwind Plus and shadcn-ui code.
A web and app development platform with an intuitive, no-code visual builder that also enables developers through extensible components and the ability to add custom code. Under the hood, FlutterFlow uses Google's .
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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.
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