It looks to me as if MooseX is used exclusively for extensions to the Moose system itself, not random modules that happen to use Moose.
On 11/10/10 7:59 AM, "Bill Birthisel" <bbirthi...@aol.com> wrote: 3. There is not really much of a problem (for users) with long names. It appears MooseX:: is currently in common use on CPAN - so I would recommend MooseX::MARC. That appears to be to clearest choice and the one that fits the current naming patterns most closely.