• CGI::Session
• CGI::Application
• XML::Simple
• File::MMagic
• HTML::TokeParser::Simple
• Math::Currency
• Mail::Sender
• XML::RSS
• Text::CSV_XS
• Spreadsheet::ParseExcel
• Cache::Cache
• Class::DBI

See also Mining the hidden gems of CPAN and Favourite modules April 2003.

Ciao, Valerio