Original website: https://web.archive.org/web/20140220011557/http://linux.nawebu.cz/wmcliphist/
wmcliphist is a dockable application for Window Maker. It keeps a history of clipboard operations and allows you to put previously copied items back to clipboard for pasting to other applications.
A newer version may be available in the Window Maker dockapps git
git clone https://repo.or.cz/dockapps.git
(View in browser.)