Fragment - A powerful image viewing suite with advanced metadata info
Exif Purge - EXIF Purge is a small portable application to remove EXIF meta data from multiple images at once.
ImageGlass - You can use Image to view your digital images and photos of many different formats.
IrfanView - IrfanView ... one of the most popular viewers worldwide.
Polarr - MacOS, Windows, iOS, Android and online photo editing tools & free photo editors.
Gwenview - Gwenview is an image viewer for KDE.