GPS ToolKit.NET is a powerful component that makes it easy to add GPS support to any Visual Basic .NET, C#, or C++ project. GPS ToolKit.NET provides access to dozens of datasets, including position, speed, course, satellite, and navigation data with just a few lines of code. With GPS ToolKit.NET, you'll be communicating with your GPS in minutes!

GPS ToolKit.NET:

Works with all types of GPS units, including standard Serial Port/RS-232 and Bluetooth units
Supports an unlimited number of GPS units simultaneously, from COM1 to COM9999
Gives you full access to position, altitude, speed, course, satellite, and navigation data
Lets you transfer waypoints, routes, and tracks to and from most recent Garmin GPS units, including the GPS III and eTrex series.
Notifies your application when fix, navigation, or status has been updated.
Lets you send data and commands to the GPS in either text or binary form.
Allows you to playback NMEA 0183 input files in various speeds, including real-time playback.
Is a native .NET managed component (requires .NET CLR v1.1 or .NET CLR v2.0)
Comes with 9 example applications (Visual Basic .NET, C#, and C++)
Can be redistributed to your customers royalty-free as part of your application