MarvinE 

XCalendar.Core is a plugin for .NET providing a calendar API, and various extensions to make it easier to work with and implement calendars into your .NET apps and projects.

XCalendar.Forms is a plugin for Xamarin Forms providing custom controls, a calendar API, and various extensions to make it easier to work with and implement calendars into your Xamarin Forms apps.

XCalendar.Maui is a plugin for .NET MAUI providing custom controls, a calendar API, and various extensions to make it easier to work with and implement calendars into your .NET MAUI apps.

A plugin for Xamarin Forms providing a completely customisable calendar control with complex functionality.