# Breadcrumb-switcher sidebar app shell with org/app/environment dropdowns and a live system monitor popover

> Header-first shell with a breadcrumb of org, app, and environment switcher dropdowns, a live system monitor popover with resource sparklines, command-palette search, and collapsible nested sidebar nav. shadcn Badge, Kbd, Sidebar, DropdownMenu.

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-7).

- Page, with a preview: https://shadcn.exchange/r/reui/app-shell-7
- Screenshot: https://abzjhwgwpdpz7ua5.public.blob.vercel-storage.com/shots/reui/app-shell-7-light-ccd520a4e2c17dda.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-7

## Dependencies

- npm packages: `cn`, `next-themes`
- Registry items: `avatar`, `badge`, `breadcrumb`, `button`, `dialog`, `dropdown-menu`, `input`, `item`, `kbd`, `popover`, `progress`, `sidebar`