Rui CarmoPhotoInfoEditor is another (free/donationware) IPTC/EXIF image tagging application with Geotagging support with niceties like Google/Maps integration, as shown on this image from Softpedia:
PhotoInfoEditor is another (free/donationware) IPTC/EXIF image tagging application with Geotagging support with niceties like Google/Maps integration, as shown on this image from Softpedia: