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, DeepSite and GitHub Spark.
Turn ideas into applications with superhuman speed. Lovable enables rapid prototyping and product launches through intuitive prompts, live rendering, and one-click deployment. Perfect for founders, designers, and teams to build quality software without coding.
A cloud-based, agentic development environment designed to accelerate how you build, test, deploy and run production-quality AI applications, all in one place.
Replit is a collaborative cloud development environment offering in-browser IDE features like AI assistance, real-time collaboration, Git support, hosting, deployment, syntax highlighting, plugin extensibility, ad-free UI, dark mode, and live code sharing.
DeepSite is a free app that lets you use DeepSeek for coding and preview your website directly in the browser with no experience at all.
AI-powered tool for creating and sharing innovative micro apps, effortlessly usable on desktop and mobile devices, without requiring code deployment. It features an NL-based editor for idea refinement, a managed runtime environment for hosting and theming access, and a PWA dashboard for universal management and launch.
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.
Create full-stack web apps, landing pages, MVPs, and internal tools by describing projects in plain English, with all code exportable and customizable. Supports teams, collaborative workflows, modern tech stacks, and deployment to cloud platforms like Vercel or AWS.
AI-powered platform streamlines building web and mobile apps, supporting instant deployment, custom domain-specific agents, workflow automation, and real-time team collaboration. Provides seamless integrations, scalable solutions, and a secure cloud workspace designed to remove technical barriers.
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.
Qoder is an AI-powered agentic coding platform and IDE that automates complex software development tasks using autonomous AI agents.
Bolt.new is an in-browser AI web development agent that leverages StackBlitz’s WebContainers to allow for full stack application development. The application presents users with a simple, chat-based environment in which one prompts an agent to make code changes that are updated...
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