ClipboardWatcher is intended to be a one-trick-pony, though like many applications I am sure it will grow into a bloated beast. It's one trick is this. It sits in the background and watches the clipboard for changes, if there is a new text item it will append the plain text (along with some optional information: timestamp and frontmost application name) to a text file of your choice.
What's new in Clipboard Watcher
ability to set line ending (Mac, Unix or Windows)
fix to preferences not saving on some installs
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