Hi, I'm Wolf-Dieter Busch, living in Germany, and an amateur programmer.
In 1998, I started as a SW project the external editor MTE for the CMS Schematext V.2.4; therefor I learned Tcl/Tk. (Nowadays, the editor is obsolete, but still nice nonetheless.)
Other Tcl-based SW is
AK: Regarding Pachisi see also A little Pachisi game.