Eagle App - Unify your creative inspiration in one place. Store anything – inspiring images, design mockups, illustrations, screenshots and more.
Magnific Popup - The greater part of Lightbox modules will completely preload a picture before showing it.
Pixave - The ultimate image organizer for the Mac.
Fancybox - fancyapps.com - Fancy App Store
EagleFiler - EagleFiler makes managing your information easy.
jQuery Lightbox - jQuery Lightbox plugins are utilized to showcase images and other web stuff using modal dialogs.