Files in Tk-Contrib have been contributed by various people at
various times.

Included widgets:

Tk::Axis - Canvas with Axes
Tk::Dial - an alternative to the Scale widget
Tk::OlWm - Interface to OpenLook properties of Toplevel widget
Tk::TiedListbox - gang together Listboxes

WWW: https://metacpan.org/release/Tk-Contrib