Image Viewer is a multi-frame (animated) image viewer with real-time interactive pan and zoom viewing that uses the GTK+ toolkit and Imlib. It is capable of opening and saving to any image format supported by Imlib. It features screenshots (screen capture), crop, resizing, print, fullscreen display, display on the desktop (root window), animation (creating animated GIFs), color leveling, drawing font/text strings, and editing image header information.
iShowU is software to capture and record video from your screen into a Quicktime movie in real-time. Create tutorials, make a demo for the Web, record your favorite game, collaborate on UI design, or show tech support what's really going on with that broken program. It allows you to capture and record anything you can see on your screen, along with audio from any compatible source.