This is a simple to use Geodetic Library for .Net that will allow simple transformation to and from British National Grid. See the project page for details on how to use this package.
This is a port of the original GeoUK NuGet but converted to .NET Stanadard.
The Google S2 Geometry Library is a spherical geometry library, very useful for manipulating regions on the sphere (commonly on Earth) and indexing geographic data.
This version targets NET Standard 1.0
ArcGIS Runtime SDK for .NET components and controls for spatial data visualization in your Windows desktop apps built with the Windows Presentation Foundation (WPF) UI framework. Includes a 2D MapView, 3D SceneView, a Callout control for the display of information, and platform-specific image...