GPS Visualizer - GPS Visualizer's drawing utility (http://www.gpsvisualizer .com/draw/) has a major new feature: you can assign icons to the markers, and the symbol names will be exported when you save the data. (
Recursos de interés para el manejo de tracks GPS
GPS Visualizer: Examples
GPS Visualizer: Freehand Drawing Utility: Draw on a map and save GPX data
GPS Visualizer - a great online tool for GPS, GoogleMaps and GoogleEarth issues - Digital Geography