+@optional_modules = (
+  { name => "Digest::SHA",                         url => "http://search.cpan.org/~mshelor/",   debian => 'libdigest-sha-perl' },
+  { name => "IO::Socket::SSL",                     url => "http://search.cpan.org/~sullr/",     debian => 'libio-socket-ssl-perl' },
+  { name => "Net::LDAP",                           url => "http://search.cpan.org/~gbarr/",     debian => 'libnet-ldap-perl' },
+  # Net::SMTP is core since 5.7.3
+  { name => "Net::SMTP::SSL",                      url => "http://search.cpan.org/~cwest/",     debian => 'libnet-smtp-ssl-perl' },
+  { name => "Net::SSLGlue",                        url => "http://search.cpan.org/~sullr/",     debian => 'libnet-sslglue-perl' },
+);
+
+@developer_modules = (
+  { name => "Devel::REPL",                         url => "http://search.cpan.org/~doy/",       debian => 'libdevel-repl-perl' },
+  { name => "Moose::Role",                         url => "http://search.cpan.org/~doy/",       debian => 'libmoose-role-perl' },
+  { name => "Perl::Tags",                          url => "http://search.cpan.org/~osfameron/", debian => 'libperl-tags-perl' },
+  { name => "Test::Deep",                          url => "http://search.cpan.org/~rjbs/",      debian => 'libtest-deep-perl' },
+  { name => "Test::Exception",                     url => "http://search.cpan.org/~adie/",      debian => 'libtest-exception-perl' },
+  { name => "Test::Output",                        url => "http://search.cpan.org/~bdfoy/",     debian => 'libtest-output-perl' },
+  { name => "GD",              version => '2.00',  url => "http://search.cpan.org/~lds/",       debian => 'libgd-perl' },
+);