PixGPS enables you to write GPS coordinates to the EXIF data your JPG files. It requires to use a GPS along with your camera and set waypoints or enable tracking. You can then use the track file from the GPS and synchronize the images with the GPS coordinates based on matching time stamps. Additional features include time adjustment options, Google/Mapquest lookup of the locations and export to text file.

The license of this software is Free Trial Software, the price is $19.95, you can free download and get a free trial.