# Tidal PTC > Tidal PTC is an open source (AGPL-3.0) web application by Archboard for scheduling parent-teacher conferences. Admins and teachers create time slots; parents and guardians sign in (usually through PowerSchool SSO) and book them. - It can be self-hosted (Docker or a VM) or bought as managed Cloud or Private dedicated hosting. - Each district is a tenant; a tenant has schools, and users act within a current school. - User types are staff, guardian (contact) and student. Staff abilities come from per-school permissions. ## Documentation Sets - [Abridged documentation](https://tidalptc.com/llms-small.txt): a compact version of the documentation for Tidal PTC, with non-essential content removed - [Complete documentation](https://tidalptc.com/llms-full.txt): the full documentation for Tidal PTC ## Notes - The complete documentation includes all content from the official documentation - The content is automatically generated from the same source as the official documentation