GPX

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GPX, or GPS eXchange Format is one of several file formats used in geocaching. It is an XML schema to allow the interchange of GPS data between different applications.

It is used by a large number of geocaching websites as a format to send cache information.

History

GPX 1.0 was released in 2002.
GPX 1.1 was released on August 9, 2004.[1] This is the most current version.

Software Support

GPX enjoys a wide range of support.

• Windows, PDA and Phone Software
  • CacheBerry
  • CacheMate
  • GeoBeagle
  • Neongeo
  • Google Earth
  • GSAK, Geocaching Swiss Army Knife
  • MapSource

This is a very limited list. For a larger but still incomplete list see http://www.topografix.com/gpx_resources.asp.