GeoSetter is a freeware tool for Windows (XP or higher) for showing and changing geo data and other metadata (IPTC/XMP/Exif) of image files
PTAssembler is a (Windows) panoramic image stitching software program, able to create single and multi-row panoramic and high-resolution "mosaic" images
PTGui is panoramic image stitching software for Windows and Mac OS X. Originally started as a Graphical User Interface for Panorama Tools (hence the name), PTGui has evolved into a full featured, industry leading photo stitching application.
With Hugin you can assemble a mosaic of photographs into a complete immersive panorama, stitch any series of overlapping pictures and much more.