ShellEnhancer is an application designed to enhance the default shell of Windows and to make your life easier. It includes two types of taskswitcher (Enhanced TaskSwitcher and Mosaic TaskSwitcher) which you can use to replace the default Windows Alt+Tab taskswitcher. The Enhanced TaskSwitcher supports live previews.
ShellEnhancer allows you to make your own tasks. Tasks consist of a number of commands which get executed one after the other. Available commands include: insert text, send keystroke, manipulate windows, run program, start screensaver, lock workstation and many others.