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Multi Tab Page is a iOS Tab controller type UI for XAML. It works for Android and iOS. In addition, it supports animation for page transitions

Allows to create rounded cornered view giving control over the corner radius. A container that can contain any ContentView or a subclass of it while controlling the corner radius to cut off unwanted area.

Ribbon view is a tab view with a underline below the selected item. The un-selected items are dimmed to highlight the selected item.

Pie chart and donut chart for use in XAML

Xamarin controls extended to add more features and making it more usable. Entry, Label, etc. are part of the library. Label can have excluded areas defined to get a newspaper effect.