# Collapsible icon-rail sidebar app shell with workspace switcher, nested nav, and user menu

> Dashboard app shell with an icon-collapsible sidebar: workspace switcher, nested platform nav with count badges, pinned resources with row action menus, theme toggle, breadcrumb header. ReUI Badge, shadcn Sidebar, DropdownMenu, Avatar, Breadcrumb.

A paid shadcn/ui block sold by the [@reui](https://reui.io/?utm_source=shadcn.exchange) registry, listed on [shadcn.exchange](https://shadcn.exchange/r/reui/app-shell-1).

- Page, with a preview: https://shadcn.exchange/r/reui/app-shell-1
- Screenshot: https://abzjhwgwpdpz7ua5.public.blob.vercel-storage.com/shots/reui/app-shell-1-light-34371ed43efa5e6c.png
- Listed: 2026-10-13

## Buy and install

@reui sells this block, and its code is not on shadcn.exchange. Buy it from the registry, which installs it for those who have: https://shadcn.exchange/out/reui/app-shell-1

## Dependencies

- npm packages: `cn`, `next-themes`
- Registry items: `@reui/badge`, `avatar`, `breadcrumb`, `button`, `dropdown-menu`, `item`, `sidebar`