Create Shapefile with NetTopologySuite

using System;
using System.Collections.Generic;
using System.IO;
using GeoAPI.Geometries;
using NetTopologySuite.Features;
using NetTopologySuite.Geometries;
using ProjNet.CoordinateSystems;
using NetTopologySuite.IO;
using System.Diagnostics;

namespace ConsoleApplication3
{
    class Program
    {
        static void Main(string[] args)
        {
            // Wkt in 4326 SRID (WGS84)
            var wkt =
                "POLYGON ((-86.7605020509258 41.5101338613656, -86.7604972038273 41.5100611525915, -86.7604971708084 41.5100606308085, -86.7604611720717 41.5094596307695, -86.7604611426546 41.5094591103497, -86.7604291439208 41.5088571103154, -86.760429130715 41.508856853856, -86.7603991319814 41.5082548538241, -86.7603991259966 41.5082547317887, -86.7603701303631 41.5076537960468, -86.7603401446338 41.5070530565908, -86.7603071566895 41.5064532528163, -86.7603071500912 41.506453131098, -86.7602814240795 41.5059715533315, -86.7605549835241 41.5059607024218, -86.7605808466407 41.5064448078787, -86.760613844555 41.5070447469854, -86.7606138651484 41.5070451395365, -86.7606438664126 41.5076461395046, -86.7606438727239 41.5076462680791, -86.7606728710439 41.5082472070294, -86.7607028628788 41.5088490177453, -86.7607348434949 41.5094506292495, -86.7607708135428 41.5100511081057, -86.760776407335 41.5101350123382, -86.7605020509258 41.5101338613656))";

            var geomFactory = new GeometryFactory(new PrecisionModel(), 4326);
            var wktReader = new WKTReader(geomFactory);
            
            var geometry = wktReader.Read(wkt);

            Debug.WriteLine($"Geometry Type: {geometry.GeometryType}");
            Debug.WriteLine($"Shapefile Type: {Shapefile.GetShapeType(geometry)}");
            
            IPolygon geomPolygon = geometry as IPolygon;
            Debug.WriteLine($"IPolygon Geometry Type: {geomPolygon.GeometryType}");
            Debug.WriteLine($"IPolygon Sheel CoordindateSequence Ordinates: {geomPolygon.Shell.CoordinateSequence.Ordinates}");

            var attributesTable = new AttributesTable();
            attributesTable.AddAttribute("Foo", "Bar");
            var features = new List<IFeature>
            {
                new Feature(geometry, attributesTable)
            };

            // Create the directory where we will save the shapefile
            var shapeFilePath = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());
            if (!Directory.Exists(shapeFilePath))
                Directory.CreateDirectory(shapeFilePath);

            var name = "test";
            // Construct the shapefile name. Don't add the .shp extension or the ShapefileDataWriter will 
            // produce an unwanted shapefile
            var shapeFileName = Path.Combine(shapeFilePath, name);
            var shapeFilePrjName = Path.Combine(shapeFilePath, $"{name}.prj");

            // Create the shapefile
            var outGeomFactory = GeometryFactory.Default;
            var writer = new ShapefileDataWriter(shapeFileName, outGeomFactory);
            var outDbaseHeader = ShapefileDataWriter.GetHeader(features[0], features.Count);
            writer.Header = outDbaseHeader;
            writer.Write(features);

            // Create the projection file
            using (var streamWriter = new StreamWriter(shapeFilePrjName))
            {
                streamWriter.Write(GeographicCoordinateSystem.WGS84.WKT);
            }

            var shapeFileReader = new ShapefileDataReader(shapeFileName, GeometryFactory.Default);
            var read = shapeFileReader.Read();
            var geom = shapeFileReader.Geometry;
        }
    }
}

Thank you so much Bill !!! I was trying to do the exact same thing and couldn't find any resource on the web...
Not for future readers who could have the same problem I had, at least 1 entry in AttributesTable is required, it will not produce a correct file is the collection is empty.