HoudahGeo is a one-stop photo geocoding solution for Mac OS X. Export geotags to EXIF, XMP and IPTC. GPS device optional.
TrailRunner is a route planning software for all kinds of long distance sports like running, biking, hiking, inline-skating, skiing and more.
myTracks: The GPS solution for your Mac. myTracks is the swiss-army knife for organizing your GPS tracks. They can be loaded from a broad range of devices
Free online GPX file viewer! Free software for Windows CE and Windows mobile based GPS systems and smartphones.
is a freeware tool for Windows (XP or higher) for showing and changing geo data and other metadata (IPTC/XMP/Exif) of image files (e.g. images taken by digital cameras).