> ## Documentation Index
> Fetch the complete documentation index at: https://docs.volleyballoperatingsystem.com/llms.txt
> Use this file to discover all available pages before exploring further.

# VOS

> Help for people using VOS, organized by the role on your identity card.

VOS is the Volleyball Operating System. Sign in at [app.volleyballoperatingsystem.com](https://app.volleyballoperatingsystem.com/) and pick the role that matches how you work. The tabs on this site use the same role names as the app.

<Columns cols={2}>
  <Card title="Sign in" icon="log-in" href="/get-started/sign-in">
    Open the app and complete Cognito login.
  </Card>

  <Card title="Switch roles" icon="users" href="/get-started/roles">
    Use the identity card in the sidebar to change which role you are acting as.
  </Card>

  <Card title="Sync your VOS Calendar" icon="calendar" href="/get-started/sync-your-vos-calendar">
    Subscribe to your VOS schedule in Google, Outlook, or Apple Calendar.
  </Card>

  <Card title="Changelog" icon="newspaper" href="/get-started/changelog">
    See what is new in VOS.
  </Card>
</Columns>

## Roles

<Columns cols={2}>
  <Card title="Athlete" href="/athletes/overview">
    Tryouts, offers, schedule, career, recruitment, and IST.
  </Card>

  <Card title="Parent" href="/parent/overview">
    Children's tryout status and schedule.
  </Card>

  <Card title="Coach" href="/coach/overview">
    Practices, curriculum, systems, and team schedule.
  </Card>

  <Card title="Club Administrator" href="/clubs/overview">
    Club roster, tryout campaigns, communication, and schedule.
  </Card>

  <Card title="Athletic Director" href="/athletic-director/overview">
    Host tournaments for your school or institution.
  </Card>

  <Card title="PTSO Administrator" href="/ptso-administrator/overview">
    Clubs, tryouts overview, tournaments, and Intelligence.
  </Card>

  <Card title="Referee" href="/referee/overview">
    Training and referee assignments.
  </Card>

  <Card title="Allocator" href="/allocator/overview">
    Schedule assignments at tournaments you host.
  </Card>
</Columns>

<Note>
  Pages in this site describe what the app does today. If a role or feature is still being built, the matching page says so.
</Note>