GPSBabel

From GISWiki

GPSBabel converts waypoints, tracks, and routes from one format to another, whether that format is a common mapping format or even a serial upload or download to a GPS unit such as those from Garmin and Magellan.

GPSBabel reads, writes, and manipulates GPS waypoints in a variety of formats. Over 100 supported formats include GPX, Magellan and Garmin serial and USB protocols, Geocaching *.loc, Garmin Mapsource, and Magellan Mapsend. For Windows, Linux, Mac.

Weblinks

• http://www.gpsbabel.org/