I see the lists for years 2002, 2003, 2004 and 2005 but not anything after that. May be there are too many to call favorites?
Well, favorite Acme modules were discussed by cog in 2006 in 60 Acme Modules. And there was a question about commonly used Perl modules in 2014.

Apart from that, favorite Perl modules are traditionally showcased in Perl Advent calendars:

See also:

In reply to Re: Favorite Modules by eyepopslikeamosquito
in thread Favorite Modules by aartist

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