# Volleyball Operating System

> How people in each VOS role use Volleyball Operating System.

- [VOS](https://docs.volleyballoperatingsystem.com/index.md): Help for people using VOS, organized by the role on your identity card.
- [Sign in](https://docs.volleyballoperatingsystem.com/get-started/sign-in.md): Open the VOS app and sign in with your account.
- [Roles](https://docs.volleyballoperatingsystem.com/get-started/roles.md): How VOS roles work and how to switch between them.
- [Sync your VOS Calendar](https://docs.volleyballoperatingsystem.com/get-started/sync-your-vos-calendar.md): Subscribe to your VOS schedule in Google, Outlook, or Apple Calendar.
- [Changelog](https://docs.volleyballoperatingsystem.com/get-started/changelog.md): What is new in VOS.
- [Athlete](https://docs.volleyballoperatingsystem.com/athletes/overview.md): What you can do in VOS as an Athlete.
- [Sign up for a tryout](https://docs.volleyballoperatingsystem.com/athletes/sign-up-for-a-tryout.md): Complete a public tryout application from a club signup link.
- [Respond to an offer](https://docs.volleyballoperatingsystem.com/athletes/respond-to-an-offer.md): Accept or decline a tryout offer from the email the club sends.
- [Schedule](https://docs.volleyballoperatingsystem.com/athletes/schedule.md): See upcoming events for your active role.
- [Parent](https://docs.volleyballoperatingsystem.com/parent/overview.md): What you can do in VOS as a Parent.
- [Sign up for a tryout](https://docs.volleyballoperatingsystem.com/athletes/sign-up-for-a-tryout.md): Complete a public tryout application from a club signup link.
- [Respond to an offer](https://docs.volleyballoperatingsystem.com/athletes/respond-to-an-offer.md): Accept or decline a tryout offer from the email the club sends.
- [Schedule](https://docs.volleyballoperatingsystem.com/athletes/schedule.md): See upcoming events for your active role.
- [Coach](https://docs.volleyballoperatingsystem.com/coach/overview.md): What you can do in VOS as a Coach.
- [Schedule](https://docs.volleyballoperatingsystem.com/athletes/schedule.md): See upcoming events for your active role.
- [Club Administrator](https://docs.volleyballoperatingsystem.com/clubs/overview.md): What you can do in VOS as a Club Administrator.
- [Create a tryout](https://docs.volleyballoperatingsystem.com/clubs/create-a-tryout.md): Create a club tryout campaign, add gym sessions, and publish a public signup link.
- [Review applicants](https://docs.volleyballoperatingsystem.com/clubs/review-applicants.md): Set tryout selection status, send offer emails, and add accepted athletes to a roster.
- [Find a tournament](https://docs.volleyballoperatingsystem.com/tournaments/find.md): Browse the public tournament catalog as a club or athletic director.
- [Tournament overview](https://docs.volleyballoperatingsystem.com/tournaments/overview.md): How hosts and clubs use tournaments in VOS.
- [Schedule](https://docs.volleyballoperatingsystem.com/athletes/schedule.md): See upcoming events for your active role.
- [Athletic Director](https://docs.volleyballoperatingsystem.com/athletic-director/overview.md): What you can do in VOS as an Athletic Director.
- [Create a tournament](https://docs.volleyballoperatingsystem.com/tournaments/create.md): Host a tournament as a PTSO administrator or athletic director.
- [Find a tournament](https://docs.volleyballoperatingsystem.com/tournaments/find.md): Browse the public tournament catalog as a club or athletic director.
- [Tournament overview](https://docs.volleyballoperatingsystem.com/tournaments/overview.md): How hosts and clubs use tournaments in VOS.
- [Schedule](https://docs.volleyballoperatingsystem.com/athletes/schedule.md): See upcoming events for your active role.
- [PTSO Administrator](https://docs.volleyballoperatingsystem.com/ptso-administrator/overview.md): What you can do in VOS as a PTSO Administrator.
- [Create a tournament](https://docs.volleyballoperatingsystem.com/tournaments/create.md): Host a tournament as a PTSO administrator or athletic director.
- [Tournament overview](https://docs.volleyballoperatingsystem.com/tournaments/overview.md): How hosts and clubs use tournaments in VOS.
- [Referee](https://docs.volleyballoperatingsystem.com/referee/overview.md): What you can do in VOS as a Referee.
- [Schedule](https://docs.volleyballoperatingsystem.com/athletes/schedule.md): See upcoming events for your active role.
- [Allocator](https://docs.volleyballoperatingsystem.com/allocator/overview.md): What you can do in VOS as an Allocator.
- [Schedule](https://docs.volleyballoperatingsystem.com/athletes/schedule.md): See upcoming events for your active role.