GSAK (Geocaching Swiss Army Knife) is described as 'GSAK is the all in one Geocaching and waypoint management tool'. There are seven alternatives to GSAK (Geocaching Swiss Army Knife) for a variety of platforms, including iPhone, Android, Online / Web-based, Mac and Windows. The best alternative is c:geo, which is both free and Open Source. Other great apps like GSAK (Geocaching Swiss Army Knife) are Geocaching (Freemium), iCaching (Paid), Cachly (Paid) and GeoGet (Free).
Supercharge your geocaching adventures with the official, full-featured Geocaching App. There are millions of geocaches waiting to be found, scattered throughout more than 185 countries around the world—there are probably even some near you right now.
Geoget is a Windows application to operate your own databases of geographic points, with primary focus on the Geocaching, including online links to Geocaching Live. Can be used also with points of Opencaching, or any custom database items.
Take people on real-world treasure hunts and guided walks Actionbound is an app for playing digitally interactive scavenger hunts to lead the learner on a path of discovery. We call these multimedia based hunts 'Bounds'.