MassGeotagger
MassGeotagger lets you to geotag sets of JPG Photos with GPX logs
...To get the GPS coordinates, the method of choice is to select one or several GPX files and set the difference of time between APN time saved in EXIF data and GPS time. However other strategies to match JPG and GPS coordinates are available : by selecting one of the GPX waypoint, by selecting a point on the map or by user input.
MassGeotagger can also be used to view the location of geotagged photos on a map.