# Workforce shift roster with coverage avatars, open-slot warnings, and a double-booking guard

> Workforce shift scheduling board for HR and operations teams: a day, week, and month event calendar of staffing shifts grouped into color-coded departments, with per-shift coverage showing assigned staff avatars, required headcount, and open-slot warnings, plus search across shifts and staff, an open-slots filter, drag and resize with a double-booking guard, publish and unpublish locking, and full CRUD on shifts, assignments, and departments.

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/event-calendar-4).

- Page, with a preview: https://shadcn.exchange/r/reui/event-calendar-4
- Screenshot: https://abzjhwgwpdpz7ua5.public.blob.vercel-storage.com/shots/reui/event-calendar-4-light-b01f520a978ef5cf.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/event-calendar-4

## Dependencies

- npm packages: `cn`, `date-fns`, `sonner`
- Registry items: `@reui/alert`, `@reui/badge`, `@reui/event-calendar`, `@reui/number-field`, `alert-dialog`, `avatar`, `button`, `calendar`, `card`, `checkbox`, `combobox`, `dialog`, `dropdown-menu`, `@reui/event-calendar-content`, `@reui/event-calendar-event`, `@reui/event-calendar-lib`, `@reui/event-calendar-nav`, `@reui/event-calendar-types`, `field`, `input`, `input-group`, `item`, `popover`, `scroll-area`, `select`, `separator`, `sheet`, `switch`, `textarea`, `toggle`, `tooltip`, `use-mobile`