FindStats and PQStats are utilities that perform some simple statistical analyses of Geocaches in a GPX file. FindStats is meant for analysis of the special "All Finds" Pocket Query, while PQStats works on any GPX file containing Geocaches from geocaching.com.
Cetus GPS is the Swiss Army Knife of GPS tracking and field data collection. It is intended for use by GIS surveyors, scientists, explorers and GPS enthusiasts who need to extend the features of their standard GPS equipment.
Geochecker is an online tool to check coordinates for Geocaching puzzle caches. It's completely free, and it's very easy to use!
Geocache Log is an easy to use Program that will log all your Geocaching trips. You can add entries for caches you have found, caches you have hidden or details about caches you have yet to find.
GcSoft offers many useful programs created for the Geocaching community including Cache Logger Assistant, Coin Logger Assistant, PQ to HTML, iMapper, Waypoint Difference Checker and a whole lot more!
The iGeocacher is a small application that allows you to parse the data in a set of Geocaching files in .loc or .gpx format and then display them via a web application in the Safari browser on your iPhone.
BackCountry Navigator is software that turns your Pocket PC into a capable outdoor navigation device. With very little effort on your part, it will download freely available US topo maps and aerial photos surrounding the location of your next adventure. Attach a Pocket PC GPS to see your location on a moving map. Download and import waypoints, or add your own to get realtime guidance to an outdoor destination.
CacheMate™ is a database for tracking GPS cache hunts. You can store information about caches or benchmarks, decode hints, and transfer data to and from other software and devices. There is a Palm and Pocket PC version available.
A little program to calculate all kinds of fun things, such as distances, projections, WAAS satellite positions, coordinate checksums, and geocaching.com cache numbers and waypoint names.
Whether you wish to transfer waypoints, routes and tracks from a GPS receiver to your PC, view your position and course in real time on your PC, navigate your powerboat or sailboat using your PC or PDA, or enjoy stunning 3D perspectives of your favorite topographic map or nautical charts, there is a Fugawi software product for you.