Clipboardic
Clipboardic is a small utility that listen to the clipboard activity, and each time that you copy something into the clipboard, it automatically save the copied data into Windows clipboard file (.clp). Later, when you need the copied data again, you can simply select the right clipboard file, and Clipboardic will automatically insert it into the clipboard.
Clipboardic also allows you to easily share the clipboard data between multiple computers on your local network.