pauldendulk 

BruTile is a C# library for GIS tile services such as those of Bing maps and OpenStreetMap

Mapsui - Library for mapping

Extensions for BruTile that require the full .Net Framework

Extension for BruTile to enable access to MapBox's tile store files (MbTiles)

Mapsui.Forms - Using Mapsui with Xamarin.Forms

Itinero.ui is a map component optimized for routing on mobile applications

Extensions for BruTile that require the full .Net Framework