Perl module for OLE document interface

http://search.cpan.org/dist/OLE-Storage_Lite/

More Opcodes information from opnames.h and opcode.h

https://metacpan.org/release/Opcodes

Create and manipulate PAR distributions

http://search.cpan.org/dist/PAR-Dist/

Facilitates the creation and modification of PDF files

https://metacpan.org/release/PDF-API2

Optional PDF::API2 add-on using XS to speed up expensive operations

https://metacpan.org/release/PDF-API2-XS

Multitasking and networking framework for perl

https://metacpan.org/release/POE

Peek into the internals of a running POE environment

https://metacpan.org/release/POE-API-Peek

POE component for non-blocking/concurrent DNS queries

https://metacpan.org/release/POE-Component-Client-DNS

Recursive DNS client for POE

https://metacpan.org/release/POE-Component-Client-DNS-Recursive

Perl POE component that provides non-blocking DNSBL lookups

https://metacpan.org/release/POE-Component-Client-DNSBL

POE component for non-blocking/concurrent HTTP queries

https://metacpan.org/release/POE-Component-Client-HTTP

POE component for managing connections, with keep-alive

https://metacpan.org/release/POE-Component-Client-Keepalive

LWP and LWP::Parallel based POE component

https://metacpan.org/release/POE-Component-Client-UserAgent

Provides non-blocking access to a blocking object

https://metacpan.org/release/POE-Component-Generic

Non-blocking getaddrinfo() resolver

https://metacpan.org/release/POE-Component-Resolver

Integrate SSL into POE

https://metacpan.org/release/POE-Component-SSLify

Non-blocking, concurrent DNS server component

https://metacpan.org/release/POE-Component-Server-DNS

POE Component to create HTTP Servers

https://metacpan.org/release/POE-Component-Server-HTTP

POE Filter to handle DNS over TCP connections

https://metacpan.org/release/POE-Filter-DNS-TCP

Reusable tests for POE Loop authors

https://metacpan.org/release/POE-Test-Loops

Perl extension for glibc compatible strftime for loggers/servers

http://search.cpan.org/dist/POSIX-strftime-Compiler/

Perl interface to strptime(3)

http://search.cpan.org/dist/POSIX-strptime/

Analyze and manipulate Perl code without using perl itself

http://search.cpan.org/dist/PPI/

Parse Perl string literals and string-literal-like things

https://metacpan.org/release/PPIx-QuoteLike

PPI regular expression parser

http://search.cpan.org/dist/PPIx-Regexp/

Extensions to PPI

http://search.cpan.org/dist/PPIx-Utilities/

Utility functions for PPI

https://metacpan.org/release/PPIx-Utils

List all constants declared in a package

http://search.cpan.org/dist/Package-Constants

Manage deprecation warnings for your distribution

http://search.cpan.org/dist/Package-DeprecationManager/

Routines for manipulating stashes

http://search.cpan.org/dist/Package-Stash/

Faster and more correct implementation of the Package::Stash API

http://metacpan.org/release/Package-Stash-XS

Parameterizable packages

http://search.cpan.org/dist/Package-Variant/

PadWalker - play with Perl lexical variables

http://search.cpan.org/dist/PadWalker/

Perl module for layout and render i18n text

https://metacpan.org/release/Pango

Simple parallel processing fork manager

https://metacpan.org/release/Parallel-ForkManager

Extension for LWP to allow parallel HTTP and FTP access

https://metacpan.org/release/ParallelUserAgent

Argument type classification

https://metacpan.org/release/Params-Classify

Allows your classes to do coercion of parameters (Params::Coerce)

https://metacpan.org/release/Params-Coerce

Utility functions to aid in parameter checking

http://search.cpan.org/dist/Params-Util/

Validate method/function parameters

http://search.cpan.org/dist/Params-Validate/

Build an optimized subroutine parameter validator once, use it forever

https://metacpan.org/release/Params-ValidationCompiler

Parse META.yml and other similar CPAN metadata files

http://search.cpan.org/dist/Parse-CPAN-Meta/

Parse a distribution name

https://metacpan.org/dist/Parse-Distname

A recursive descent parsing framework for Perl

http://search.cpan.org/dist/Parse-RecDescent/

Perl5 routines that present a simple interface to parse syslog files

http://search.cpan.org/dist/Parse-Syslog/

Perl extension for generating and using LALR parsers

https://metacpan.org/release/Parse-Yapp

Perl module with utilities to read and manipulate patches and CVS

http://search.cpan.org/dist/PatchReader/

Cross-platform path specification manipulation

http://search.cpan.org/dist/Path-Class/

File path utility

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

A Perl module for portably manipulating file specifications

http://search.cpan.org/dist/PathTools/