Getopt::Long (3p) - Extended processing of command line options
AppConfig::Getopt (3p) - Perl5 module for processing command line arguments via delegation to Getopt::Long.
Getopt::Long::Descriptive (3p) - Getopt::Long, but simpler and more powerful
Getopt::Long::Descriptive::Opts (3p) - object representing command line switches
Getopt::Long::Descriptive::Usage (3p) - the usage description for GLD
MooseX::Getopt::Basic (3p) - MooseX::Getopt::Basic - role to implement the Getopt::Long functionality
MooseX::Getopt::GLD (3p) - A Moose role for processing command line options with Getopt::Long::Descriptive