# Fizzycal > Index of the Fizzycal documentation. ## User Guide - [Introduction](https://docs.fizzycal.fit/introduction.md): What Fizzycal is, who it is for, and where to start. - [Getting started as a trainer](https://docs.fizzycal.fit/getting-started.md): Create your account and workspace, and know what each part of the app is for. - [Clients](https://docs.fizzycal.fit/clients.md): Add clients, understand the list, and invite a client to send check-ins. - [Check-ins](https://docs.fizzycal.fit/check-ins.md): Review client workout check-ins with video and reply to them. - [Live coaching](https://docs.fizzycal.fit/live-coaching.md): Schedule and run live video sessions with a client. - [Nutrition site](https://docs.fizzycal.fit/nutrition-site.md): Your own nutrition and meal-plan site, opened from the app. - [Integrations](https://docs.fizzycal.fit/integrations.md): Send events from outside tools into the app and see what arrived. - [Guide for clients](https://docs.fizzycal.fit/client-guide.md): Create your account from your trainer's invite and send workout check-ins. ## Changelog - [Changelog](https://docs.fizzycal.fit/changelog.md): Fizzycal changes a user would notice.