Onde Screen Capture for Mac is a simple but powerful screen grabbing utility that allows you to easily capture freehand regions, rectangular or elliptical regions, full screens, the active window or all windows, etc. A screen magnifier, timer, tray icon, and keyboard shortcuts make it easy to capture and print screenshots.
Mac Screen Recorder Studio is advanced screencasting software that gives you the tools you need to turn anything you see on your Mac's screen into a high quality video file, edit and enhance your content with built-in video editing tools, and create stunning and professional-looking training videos, sales presentations, and video tutorials that do not require any programming skills. It also allows you to yourself from iSight and USB cameras.
The Auto Screenshot Utility for Linux allows users to capture screenshots at regular intervals. Configurable options allow control of the number of screenshots to capture. The capture time interval is also configurable from the main screen of the software. If your desktop environment supports a notification area, you can even minimize the main screen of the software to the notification area/system tray. The screenshot location is configurable as well.
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.