The 3.0 version of GPS.NET is available as a free download on our website. The software lies within Development Tools, more precisely IDE. This free software was originally created by GeoFrameworks, LLC. The most popular versions of the GPS.NET 3.0 and 2.1.
From the developer:
GeoFramework and GPS.Net are now part of the larger DotSpatial project. All classes and libraries have been migrated from GeoFramework and GPS.Net to the DotSpatial project, under the DotSpatial.Positioning namespace. We've taken great care to ensure backward compatibility during this transition, so other than the new namespace, there should be little or no changes needed for your applications that were previously using GeoFramework and GPS.Net.
You may want to check out more software, such as GPS Master, GPS TrackViewer or Net Core PDF Generator, which might be related to GPS.NET.