I'm afraid without specific requirements, we'll only get a unsatisfying listing of "Perl web frameworks".

Project         Current stable version  Release date     License
Catalyst        5.90042                 2013-07-16     Artistic, GPL
Dancer          1.3118                  2013-09-01     Artistic, GPL
Mason           2.20                    2012-07-12     Artistic, GPL
Maypole         2.13                    2008-04-18     Artistic, GPL
Mojolicious     4.45                    2013-10-07     Artistic
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BTW: A sucks and B rulez!!! Alas, dumb boss only knows C ... ;)