Jimpl - Free online photo metadata and EXIF data viewer. Uncover hidden data of your pictures. Upload a photo to find where, when, and how it was taken.
Fragment - A powerful image viewing suite with advanced metadata info
Pic2Map - Can't remember the location where you took that picture on your vacation? Upload your photo and find out where it was taken.
FreeVimager - Free & Fast Image Viewer and Editor for Windows.
Attribute Magic - AttributeMagic.com - utility to change file timestamps and metadata
IrfanView - IrfanView ... one of the most popular viewers worldwide.