OkMap help you to: Calibrate raster maps, Create own vectorial maps, Display simultaneously raster maps and vectorial data, Import digital data, Create on maps waypoints, routes and tracks, Use digital terrain models, Works with GPX format, Upload and download to and from a GPS device, Navigate in real time, Make conversions between coordinates, datums, formats, etc.., Use a handy calculator, Many other things...

Have a GPS and a laptop? Use this to find your way. Make patterns or a trail to share with others. When the application starts, you may pick your area of operations - be it North America, South America, Europe and Asia, or Australia. Your quadrant is determined by where you are in relation to the Equator and the Prime Meridian. Tracking of your position is automatically enabled when the application starts. LAS GPS Monitor reads NMEA-182 data

HsGpsDll is a Windows Dynamic Link Library which provides access to any NMEA-183 compliant GPS receiver via a serial communications port. HsGpsDll is designed for use from Visual C, Visual Basic or other programming languages. HsGpsDll allows a user application to easily read from a GPS device the current GPS position fix and current velocity over ground (speed in kilometers per hour), decoding sentences $GPGGA and $GPVTG.

Develop precise, efficient, and reliable location-based services with this multithreaded framework for desktop and mobile devices, including PocketPC, Tablet PC and now Smartphone! Over fifty classes in one lightweight assembly gives you unparalleled features while saving you hundreds of dollars in development and testing. Download a free 30-day trial now and see just how fast GPS.NET can get your location-based software to market!

It is a PC Clock synchronization program. It is alternative solution to synchronizing with atomic clock using NTP(SNTP) and Internet. The program works in the interactive mode or in background. The program can be used as NMEA and COM port tester. It outputs a port receiving buffer, extracts all NMEA sentences and counts check sum errors. The product is free for users of Atomic Clock Service, PC Atomic Sync and OS Non-Proxy Atomic Sync.

GPS Express provides a feature rich interface to serial NMEA-0183 protocol data and works with most NMEA-0183 devices, including GPS Receivers. GPS Express is available in three versions. Standard version displays the title, value, and units for each parameter. Manual,Scan operation. Navigation buttons. Manual,automatic sentence triggering. Comport indicators. Accepts third-party multi-level sentences. System date,time. Date,time stamp. Elapsed.