Top 20 NuGet geo Packages

Provides GeoJSON.Net Converters from / to Wkb binary format.
Plugin Manager highly optimised geo ip plugin
A static library of helper functions, extentions, and classes. You are bound to find something useful. Built for .NET 5
Implementation of sqlite database for SuxrobGM.Sdk.ServerAnalytics
Server side analytics tool for ASP.NET Core projects
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.
Supercharge your web applications.
GMap.NET Windows Forms, Presentation & Avalonia is an excellent open source, powerful, free and cross-platform .NET control. Allows the use of routing, geocoding, directions and maps from Google, Yahoo!, Bing, OpenStreetMap, ArcGIS, Pergo, SigPac, Yendux, Mapy.cz, Maps.lt, iKarte.lv, NearMap, HereMa...
GMap.NET Windows Forms, Presentation & Avalonia is an excellent open source, powerful, free and cross-platform .NET control. Allows the use of routing, geocoding, directions and maps from Google, Yahoo!, Bing, OpenStreetMap, ArcGIS, Pergo, SigPac, Yendux, Mapy.cz, Maps.lt, iKarte.lv, NearMap, HereMa...
GMap.NET is great and Powerful, Free, cross platform, open source .NET control. Enable use routing, geocoding, directions and maps from Coogle, Yahoo!, Bing, OpenStreetMap, ArcGIS, Pergo, SigPac, Yandex, Mapy.cz, Maps.lt, iKarte.lv, NearMap, OviMap, CloudMade, WikiMapia, MapQuest in Windows Forms & ...
Provides latitude and longitude coordinates from ZIP codes (50 states + DC) and more. Light-weight assembly built for various frameworks. No dependencies.
GribApi.NET is a C# library for reading and writing GRIB 1 and 2 files. It wraps the European Centre for Medium Range Weather Forecasting's powerful C library, ecCodes. NOTE: This library requires the 2015 MSVC redistributable package (https://www.microsoft.com/en-us/download/details.aspx?id=48145)
Provides GeoJSON.Net Converters from / to the MS SQL Spatial types.
An async wrapper of the Google Geocode API for .NET
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
Provides GeoJSON.Net Converters from / to the EntityFramework Spatial types.
Provides geolocalization info for a given ip. This service is based on IpStack API.
Collection of data Plugins for Terradue.Stars
This is an extension to GeoUK that provides OSTN02 transfiormations. GeoUK ia 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.
Leaflet is a modern open-source JavaScript library for mobile-friendly interactive maps.