GPS Babel is the answer for those who wish to change your GPS brand, but want to keep your waypoints/tracks and other data. This software program was designed to easily transition one file format to another, ie. a Garmin .gpx file to a TomTom .ov2 file.
The compatibility list is extensive, including; Microsoft Windows 95and higher, and POSIX OSes such as Linux, UnixWare, OpenServer,
Solaris, FreeBSD, and Mac OSX or higher.
GPS Babel offers extensive data manipulation, making it a
convenient server-side processing option, or as the backend for other