Right off the top of my head, here are some modules that make my life easier.

• Archive::Zip
• CGI::Application
• Crypt::GPG
• DBIx::Simple
• MIME::Lite
• Net::SFTP
• Net::SSH::Perl
• Spreadsheet::ParseExcel::Simple
• Spreadsheet::WriteExcel
• XML::LibXML

-- vek --