See what modules shipped with versions of Perl

https://metacpan.org/release/Module-CoreList

Find out what CPAN modules are used

https://metacpan.org/release/Module-ExtractUse

Lets you find and use modules in categories

http://search.cpan.org/dist/Module-Find/

Loads one of several alternate underlying implementations for a module

https://metacpan.org/release/Module-Implementation

Standalone, extensible Perl module installer

http://search.cpan.org/dist/Module-Install/

Perl extension to gather package information from perl module files

https://metacpan.org/release/Module-Metadata

Automatically give your module the ability to have plugins

https://metacpan.org/release/Module-Pluggable

Refresh %INC files when updated on disk

https://metacpan.org/release/Module-Refresh

Runtime module handling

https://metacpan.org/release/Module-Runtime

Provide information on conflicts for Module::Runtime

https://metacpan.org/release/Module-Runtime-Conflicts

Recursively scan Perl code for dependencies

http://search.cpan.org/dist/Module-ScanDeps/

Flow-control helpers for Mojo::Promise

https://metacpan.org/release/Mojo-IOLoop-Delay

Mojo::IOLoop::ForkCall

https://metacpan.org/release/Mojo-IOLoop-ForkCall

High-level MVC web framework written in Perl

https://metacpan.org/pod/Mojolicious

Perl module that supports mon, a network and system monitoring daemon

https://metacpan.org/release/Mon

Minimalist Object Orientation (with Moose compatibility)

https://metacpan.org/release/Moo

NativeTrait-like behavior for Moo

https://metacpan.org/release/MooX-HandlesVia

Make your Moo-based object constructors blow up on unknown attributes

https://metacpan.org/release/MooX-StrictConstructor

Some Moosish types and a typer builder

https://metacpan.org/release/MooX-Types-MooseLike

Moo types for numbers

https://metacpan.org/release/MooX-Types-MooseLike-Numeric

Complete modern object system for Perl 5

https://metacpan.org/release/Moose

Autoboxed wrappers for Native Perl datatypes

https://metacpan.org/release/Moose-Autobox

Perl extension to allow compile time traits for classes/roles

https://metacpan.org/release/MooseX-CompileTime-Traits

Perl extension to abstract Moose role attribute setting from file

https://metacpan.org/release/MooseX-ConfigFromFile

Declarative syntax for Moose

https://metacpan.org/release/MooseX-Declare

Moose role for processing command line options

https://metacpan.org/release/MooseX-Getopt

Required attributes which fail only when trying to use them

https://metacpan.org/release/MooseX-LazyRequire

Force coercion when validating type constraints

https://metacpan.org/release/MooseX-Meta-TypeConstraint-ForceCoercion

Method declarations with type constraints and no source filter

https://metacpan.org/release/MooseX-Method-Signatures

The Illicit Love Child of Moose and POE

https://metacpan.org/release/MooseX-POE

Extension of Params::Validate for using Moose types

https://metacpan.org/release/MooseX-Params-Validate

Roles with composition parameters

https://metacpan.org/release/MooseX-Role-Parameterized

Moose role for setting attributes from a simple configfile

https://metacpan.org/release/MooseX-SimpleConfig

Make your MooseX object constructors blow up on unknown attributes

https://metacpan.org/release/MooseX-StrictConstructor

Moose eXtension to automatically apply roles at object creation time

https://metacpan.org/release/MooseX-Traits

Organise your Moose types in libraries

https://metacpan.org/release/MooseX-Types

Set of commonly-used type constraints that do not ship with p5-Moose

https://metacpan.org/release/MooseX-Types-Common

JSON and relaxedJSON datatype for Moose

https://metacpan.org/release/MooseX-Types-JSON

ClassName type constraint with coercion to load the class

https://metacpan.org/pod/MooseX::Types::LoadableClass

Path::Class type library for Moose

https://metacpan.org/release/MooseX-Types-Path-Class

Perl extension of Path::Tiny types and coercions for Moose

https://metacpan.org/release/MooseX-Types-Path-Tiny

Perl extension of Moose type constraints for string-like objects

https://metacpan.org/release/MooseX-Types-Stringlike

Moose Type Constraint classes for Structured Types

https://metacpan.org/release/MooseX-Types-Structured

Moose minus the antlers

https://metacpan.org/release/Mouse

Perl extension to organize your Mouse types in libraries

https://metacpan.org/release/MouseX-Types

Perl extension for Mozilla CA cert bundle in PEM format

https://metacpan.org/release/Mozilla-CA

Get public suffix of domain name via Mozilla Public Suffix List

https://metacpan.org/release/Mozilla-PublicSuffix

Client interface to NNTP (RFC977)

https://metacpan.org/release/NNTPClient

NSNMP - fast, flexible, low-level, pure-Perl SNMP library

https://metacpan.org/release/NSNMP

Perl5 modules to access and use network protocols

https://metacpan.org/release/libnet