* [shadcn/ui shadcn@4.21.4](https://github.com/shadcn-ui/ui) – Accessible and customizable components for building component libraries.

* [assistant-ui @assistant-ui/varian...](https://github.com/assistant-ui/assistant-ui) – TypeScript/React library providing composable primitives to build production-grade AI chat experiences with streaming, auto-scroll, accessibility, and broad provider support.