7.3. Getting Graphical
Programmers can choose from several graphical interfaces to the Perl debugger. We'll describe two of the free alternatives. We won't provide much detail describing their use since they are simply graphical layers on top of Perl's internal debugger; all you need to do is find the buttons corresponding to the commands just described.
 There are a number of commercial (i.e., not free) products offering GUI Perl debugger interfaces and other IDE functionality. We omitted them merely because we didn't want to appear biased toward or against any particular vendor by inadvertently leaving one out.
ddd, developed by Andreas Zeller, is a GNU graphical interface to many debuggers, including Perl's; obtain it from ...