spaghetti and noodles

Good luck with that :D

autodia.pl, umlclass.pl, http://portableapps.com/apps/office/dia_portable...

xref, xref... B::Xref, Sepia::Xref, http://deps.cpantesters.org/depended-on-by.pl?module=B%3A%3AXref
App::EditorTools - Command line tool for Perl code refactoring
Code::CutNPaste - Find Duplicate Perl Code
GraphViz2::Parse::ISA - Visualize N Perl class hierarchies as a graph
Object::PerlDesignPatterns - Perl architecture for structuring and refactoring large programs

FWIW, a lot of this won't work with "roles" and other moose metadata stuff...