QGIS - QGIS is a desktop geographic information system, or GIS.
SW Maps - SW Maps app enables users to record points, lines, polygons, and images to view them on the desired type of map.
GRASS GIS - GRASS GIS is a free Geographic Information System (GIS) software used for geospatial data management and analysis, image processing, graphics/maps production, spatial modeling, and visualization.
OruxMaps GP - OruxMaps GP app offers features that let you connect to the AIS information system to access useful tracks and routes for nautical sports in a variety of different nautical sports.
Garmin BaseCamp - Garmin® BaseCamp® provides an interface for viewing Garmin map products and managing...
GPS Coordinates - GPS Coordinates is an app by Financept that comes up with features to help you in getting the GPS coordinates of your current location.