QGIS - QGIS is a desktop geographic information system, or GIS.
Outdooractive - The digital home for experiencing the great outdoors
SAGA GIS - SAGA - System for Automated Geoscientific Analyses - is a Geographic Information System (GIS)...
Komoot - Plan Your Perfect Hiking, Mountain Biking or Road Biking Adventure
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.
Trail Explorer App - Explore any corner on the map, discover hiking trails, adventure destinations, view places of interest, plan trips and sport activities.