You can find the official Windows installer (e.g., viking-win64.exe ) on the Viking SourceForge page .
If you are working with or specialized inspection software, "GPSLayer" is a custom application ( GPSLayer_Arc9_POSM_MapReader.zip ) often used to add real-time GPS tracking to published maps. How to get it: It is hosted on the POSM Download Website. Download GPSlayer exe
is a popular open-source tool that uses a "GPS Layer" to manage real-time feeds and track data. You can find the official Windows installer (e