Retrobatch - Retrobatch is a unique application for automating actions to tens, hundreds, and even thousands of images at the same time
FastPictureViewer - A hardware-accelerated image viewer for the modern Windows platform.
NX Studio - Nikon | Imaging Products | Software
ImageGlass - You can use Image to view your digital images and photos of many different formats.
Adobe Lightroom - Adobe Lightroom is a family of image organization and image manipulation software.
IrfanView - IrfanView ... one of the most popular viewers worldwide.