What is Who's OOO?
Who's OOO is a self-hosted leave management app for small and mid-size teams. It helps everyone see who is out, manage vacation requests, and keep time-off planning simple without spreadsheets or endless email threads. Teams can approve requests in one click, use role-based access, and stay on top of balances, calendars, and public holidays. It also supports Slack notifications, iCal feeds, dark mode, themes, and mobile-friendly use. The app is open source, customizable, and can be deployed quickly on fortrabbit or anywhere with Docker Compose.
Key features
- Weekly and monthly team calendars with leave-type colors.
- Managers approve or decline requests from dashboard or Slack.
- Three built-in roles: Admin, Manager, and Employee.
- Supports light, dark, and system themes with palettes.
- Imports public holidays automatically for many countries.
- Offers Slack alerts, iCal feeds, and mobile-ready layout.
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