Description: Tcl is a scripting language something like Perl but extensible and somewhat cleaner. Many extensions are available. Tk is an extension developed by the creator of Tcl and used for creating scripts that interact with users through windows. Tcl can act as a Unix shell and Tk was originally developed to create windows for the X Windows environment. Tcl was meant to be portable and Tcl/Tk has been ported to versions of Microsoft Windows and to the MacIntosh.
