Immersive Explorer - Browse Folders, Libraries, Favorites etc.
Phiewer - Image Viewer - Phiewer is the easiest and fastest way to view your images, videos and even audio files.
Newgen - Newgen is an application that brings the new Metro UI to your desktop.
Fragment - A powerful image viewing suite with advanced metadata info
Documents Pro 7 - The ultimate all-in-one mobile office suite for the iPhone and iPad with 8 premium apps in 1.
IrfanView - IrfanView ... one of the most popular viewers worldwide.