Simple authentication framework

https://metacpan.org/release/Authen-Simple

Simple Passwd authentication

https://metacpan.org/release/Authen-Simple-Passwd

Additional B helpers to check COW status

https://metacpan.org/release/B-COW

Friendlier flags for B

https://metacpan.org/release/B-Flags

Execute code after a scope finished compilation

https://metacpan.org/release/B-Hooks-EndOfScope

Wrap OP check callbacks

https://metacpan.org/release/B-Hooks-OP-Check

Lists of reserved barewords and symbol names

https://metacpan.org/release/B-Keywords

Helper functions for op tree manipulation

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

Perl module to access BSD resource limit and priority functions

https://metacpan.org/release/BSD-Resource

Library of advanced math functions that includes a Perl OO module

https://metacpan.org/release/Bit-Vector

Handle Common Gateway Interface requests and responses

https://metacpan.org/release/CGI

Module for writing AJAX/DHTML-based web apps

https://metacpan.org/release/CGI-Ajax

Perl extension to compile .cgi scripts to a code reference

https://metacpan.org/release/CGI-Compile

Perl extension of PSGI adapter for CGI

https://metacpan.org/release/CGI-Emulate-PSGI

Perl CGI Interface for FastCGI

https://metacpan.org/release/CGI-Fast

Perl extension for unified cache interface

https://metacpan.org/release/CHI

Read and write CPAN Changes files

https://metacpan.org/release/CPAN-Changes

Extract distribution name and version from a CPAN filename

https://metacpan.org/release/CPAN-DistnameInfo

Distribution metadata for a CPAN dist

https://metacpan.org/release/CPAN-Meta

Verify requirements in a CPAN::Meta object

https://metacpan.org/release/CPAN-Meta-Check

Set of version requirements for a CPAN distribution

https://metacpan.org/release/CPAN-Meta-Requirements

Read and write a subset of YAML for CPAN Meta files

https://metacpan.org/release/CPAN-Meta-YAML

Dynamic prerequisites in meta files

https://metacpan.org/dist/CPAN-Requirements-Dynamic

Perl Cache interface

https://metacpan.org/release/Cache

Perl Cache interface

https://metacpan.org/release/Cache-Cache

Perl bindings to the cairo graphics library

http://gtk2-perl.sourceforge.net/

Integrate Cairo into the Glib type system

https://metacpan.org/release/Cairo-GObject

Checks what version of perl you're running and then complains about it

https://metacpan.org/release/Canary-Stability

Capture STDOUT and STDERR from Perl, XS, or external programs

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

Executable comments like the ANSI C library assert.h

https://metacpan.org/release/Carp-Assert

Convenience wrappers around Carp::Assert

https://metacpan.org/release/Carp-Assert-More

Report errors from perspective of caller of a "clan" of modules

https://metacpan.org/release/Carp-Clan

Analyze raw flow files written by cflowd (Cisco NetFlow data)

http://net.doit.wisc.edu/~plonka/Cflow/

Perl5 interface to build chart graphics

https://metacpan.org/release/Chart

Parse and generate Cisco configuration files

https://metacpan.org/release/Cisco-Reconfig

Automated accessor generation

https://metacpan.org/release/Class-Accessor

Make chained accessors

https://metacpan.org/release/Class-Accessor-Chained

Lets you build groups of accessors

https://metacpan.org/release/Class-Accessor-Grouped

Minimalistic variant of p5-Class-Accessor

https://metacpan.org/release/Class-Accessor-Lite

Perl implementation of the "Adapter" Design Pattern

https://metacpan.org/release/Class-Adapter

Useful base class for deriving other modules

https://metacpan.org/release/Class-Base

Pragma to use the C3 method resolution order algorithm

https://metacpan.org/release/Class-C3

Load mix-ins or components to your C3-based class

https://metacpan.org/release/Class-C3-Componentised

XS speedups for Class::C3

https://metacpan.org/release/Class-C3-XS

Glues object frameworks together transparently

Simple Database Abstraction

https://metacpan.org/release/Class-DBI

Abstract Class::DBI SQL with SQL::Abstract

https://metacpan.org/release/Class-DBI-AbstractSearch

Abstract base class for Class::DBI plugins

https://metacpan.org/release/Class-DBI-Plugin

Get COUNT(*) results with abstract SQL

https://metacpan.org/release/Class-DBI-Plugin-AbstractCount

Provides deep_search_where() for Class::DBI

https://metacpan.org/release/Class-DBI-Plugin-DeepAbstractSearch