240+ React + Tailwind v4 components, 60+ blocks and 17 templates in one design language. Native-app motion, keyboard support, reduced-motion handling and RTL support are built into every item. Install with the shadcn CLI and the source lands in your project, so you own the code. AI coding agents can search and install components through MCP. Free and MIT licensed, with Ballmac UI Pro adding 150+ premium blocks.