nomacs - nomacs is a free, open source image viewer, which supports mu
Eagle App - Unify your creative inspiration in one place. Store anything – inspiring images, design mockups, illustrations, screenshots and more.
Mirage - Mirage is a fast and simple GTK+ image viewer.
Pixave - The ultimate image organizer for the Mac.
GPicView - GPicView is a simple and fast image viewer with low memory usage.
Ego - Ego gives you one central—and lovely—location to check web statistics that matter to you.