Lovable (formerly GPT Engineer) is an AI development platform that generates full-stack web applications from natural language descriptions. Describe your app - features, design preferences, and user flows - and Lovable produces a complete, deployable application with frontend, backend, database, and authentication. The platform generates real, editable code using React, TypeScript, Tailwind CSS, and Supabase. Unlike low-code platforms, you own the code and can export it at any time. The AI handles routing, state management, responsive design, and database schema - producing applications that follow modern web development best practices. Lovable targets founders, product managers, and developers who want to prototype or build internal tools quickly. It's particularly effective for CRUD applications, dashboards, landing pages, and admin panels - the kinds of applications that follow well-established patterns.