GKrellM

GKrellM is a single process stack of system monitors which supports applying themes to match its appearance to your window manager, Gtk, or any other theme.

To subscribe/unsubscribe to the GKrellM mailing list or to read the list archives go to http://archive.lists.netservicesgroup.com.
The archive is for the lists.netservicesgroup.com list only but there is another archive site for the older gkrellm mailing list messages at gmane.