There appear to be two distinct tools with this name
What: Tk GUI builder (open sourced from Komodo by ActiveState)
Where: http://spectcl.sourceforge.net/ Description: Based on [SpecTcl] but completely rewritten with more modern Tk support and support for other languages. Updated: 4/2012
What: Tk GUI builder
Where: ftp://ftp.procplace.com/pub/tcl//sorted/packages-7.6/devel/graphics/GuiBuilder1.0.tar.gz
Description: A Tk 4.0 based GUI Builder, called GuiBuilder (or tclGui).
You get to choose place vs pack, allow you to configure the
widgets, provides a grid for snapping things into place, etc.
A Japanized version of GuiBuilder's help file was contributed by
mailto:[email protected] in April of 1995.
Updated: 10/1999
Contact: mailto:[email protected] (Sean Halliday)
mailto:[email protected] with a body message of
"subscribe tclgui" to join the TclGUI mailing list.See also GUI Building Tools.