v0

Vercel’s AI UI generator for React/Next.js — turns prompts, screenshots, and Figma exports into clean, production-ready components using Tailwind CSS and shadcn/ui. Rebranded to v0.app in January 2026 with full-stack sandbox, Git integration, and database connectors. Over 6 million developers on platform. Best understood as a frontend scaffolding tool, not a complete app builder.