We have found 5 software records in our database eligible for .gdb to .gpx file format conversion.
Garmin GDB files can be opened using the MapSource program and exported to the GPS eXchange format with the File → Save as.. function in the program.
This can also be done with programs like GPSBabel, or even online using the GPS Visualiser website service.
Application that allows users to convert waypoints and GPS map formats.
Program for Linux that allows users to covnert waypoints, tracks, and routes between popular GPS receivers.