ImageGlass - You can use Image to view your digital images and photos of many different formats.
Magnific Popup - The greater part of Lightbox modules will completely preload a picture before showing it.
IrfanView - IrfanView ... one of the most popular viewers worldwide.
jQuery Lightbox - jQuery Lightbox plugins are utilized to showcase images and other web stuff using modal dialogs.
FreeVimager - Free & Fast Image Viewer and Editor for Windows.
prettyPhoto - prettyPhoto is a jQuery Lightbox clone.