# Virto Calendar App overview

Source: [https://docs.virtosoftware.com/docs/calendar-overlay-pro/virto-calendar-app-overview/](https://docs.virtosoftware.com/docs/calendar-overlay-pro/virto-calendar-app-overview/)


[Watch the video](https://www.youtube.com/watch?v=jMDwlQkDT30)

## What is Virto Calendar App?

[Open the interactive demo](https://app.storylane.io/demo/lg2abwnq54nv)


## What are Calendar Views and Data Sources?

[Open the interactive demo](https://app.storylane.io/demo/jfxaaort2qsd)


## Which Data Sources to choose if you want to create a Shared Calendar?

[Open the interactive demo](https://app.storylane.io/demo/b6rbt0s8vldq)


## Permissions in Virto Calendar App

[Open the interactive demo](https://app.storylane.io/demo/8lhbh7whdmu1)


## Use Case: Department Calendar

[Open the interactive demo](https://app.storylane.io/demo/zfjvoiwr4s11)