Perl module for fast, powerful binary serialization (encoder)

https://metacpan.org/pod/Sereal::Encoder

Manages sets of integers

https://metacpan.org/release/Set-IntSpan

Perl module to manage sets of objects

https://metacpan.org/release/Set-Object

Perl module containing a set of scalars, including references

https://metacpan.org/release/Set-Scalar

Networking constants and support functions

https://metacpan.org/release/Socket

IPv6 related part of the C socket.h defines and structure manipulators

https://metacpan.org/release/Socket6

Packages that provide templated software licenses

https://metacpan.org/release/Software-License

Software::License pack for Creative Commons licenses

https://metacpan.org/release/Software-License-CCpack

Sort lexically, but sort numeral parts numerically

https://metacpan.org/release/Sort-Naturally

Type constraints and coercions for Perl

https://metacpan.org/release/Specio

Spiffy Perl Interface Framework For You

https://metacpan.org/release/Spiffy

Get information from Excel file

http://search.cpan.org/dist/Spreadsheet-ParseExcel/

Persistency for perl data structures

https://metacpan.org/release/Storable

Perl extension for temporary buffer to save bytes

https://metacpan.org/release/Stream-Buffered

Perl extension for approximate matching (fuzzy matching)

https://metacpan.org/release/String-Approx

Perl module to produce common sub-string indices for two strings

Perl module for sprintf-like string formatting capability

https://metacpan.org/release/String-Format

Rewrite strings based on a set of known prefixes

https://metacpan.org/release/String-RewritePrefix

Sstring buffers with value tags on extents

https://metacpan.org/release/String-Tagged

Format terminal output using String::Tagged

https://metacpan.org/release/String-Tagged-Terminal

Make simple lightweight record-like structures

https://metacpan.org/release/Struct-Dumb

Sophisticated exporter for custom-built routines

https://metacpan.org/release/Sub-Exporter

Helper routines for using Sub::Exporter to build methods

https://metacpan.org/release/Sub-Exporter-ForMethods

Export lexically-available subs with Sub::Exporter

https://metacpan.org/release/Sub-Exporter-Lexical

Only use Sub::Exporter if you need it

https://metacpan.org/release/Sub-Exporter-Progressive

Retrieve names of code references

https://metacpan.org/release/Sub-Identify

Create a fake infix operator

https://metacpan.org/release/Sub-Infix

Tool to inspect subroutines

https://metacpan.org/release/Sub-Info

Install subroutines into packages easily

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

Sub::Name - (re)name a sub

https://metacpan.org/release/Sub-Name

Efficient generation of subroutines via string eval

https://metacpan.org/pod/Sub::Quote

Appear to run a function in a higher stack frame

https://metacpan.org/release/Sub-Uplevel

Switch - A switch statement for Perl

https://metacpan.org/release/Switch

Try every conceivable way to get full hostname

https://metacpan.org/release/Sys-Hostname-Long

Map in a file as a Perl variable using mmap(2)

https://metacpan.org/release/Sys-Mmap

Ensure that a platform has weaken support

https://metacpan.org/release/Task-Weaken

Template Toolkit plugin to interface with GD modules

https://metacpan.org/release/Template-GD

Extensible template processing system

http://www.template-toolkit.org/

Color screen output using ANSI escape sequences

https://metacpan.org/release/Term-ANSIColor

A perl5 module for simple terminal control

Allow Term::ReadLine to use GNU readline

https://metacpan.org/release/Term-ReadLine-Gnu

Quick implementation of the minimal interface to Readline libraries

https://metacpan.org/release/Term-ReadLine-Perl

Fully-featured shell-like command line environment

https://metacpan.org/release/Term-ShellUI

Format a header and rows into a table

https://metacpan.org/release/Term-Table

Test a list of subroutines provided by a module

https://metacpan.org/release/Test-API

Simple set of building blocks for both unit and runtime testing

https://metacpan.org/release/Test-Assertions

Data Driven Testing Framework

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

Provides a bits_is() subroutine for testing binary data

https://metacpan.org/release/Test-Bits

Validate your CPAN META.yml files

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

Validate a META.yml file within a CPAN distribution

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