GeoTag is a free OS X application that allows you to update image metadata with geolocation tags by panning and zooming in a map window and then clicking on the location where a photo was taken. It is a good way to add location information to photos or fine tune existing...
Pictomio is a software application intended for managing, categorizing, searching, and archiving photos as well as geotagging photos and videos that also allows you to generate animated 2D and 3D slideshows.
The program is no longer updated. Last version, 1.2 build 35, released in March 2012, can be still downloaded from the official website.