The following is a guest post written by Jeff Hobbs (pictured), director of engineering for a company called ActiveState. ActiveState offers developer tools for writing, managing and distributing ...

All script writers need to deal with textual data at one time or another. One of the most powerful tools for manipulating text in the free software world is the text widget found in the Tk graphical ...

The canvas widget in the Tk graphical user interface toolkit is a free software tool used to present graphical data. Like the Tk text widget, which I discussed in my previous article, the canvas ...

Tcl (Tool Command Language) and its GUI sidekick Tk (Toolkit) have been available in one form or another for more than a decade. John Ousterhout originally designed Tcl as a freely available embedded ...