XML-RPC client and server library for Perl

https://metacpan.org/release/RPC-XML

Perl 5 module for Term::ReadLine editing without GNU readline

http://search.cpan.org/dist/Term-ReadLine-Perl/

Facility for creating read-only scalars, arrays, hashes

https://metacpan.org/release/Readonly

Utility functions for checking references

https://metacpan.org/release/Ref-Util

Utility functions for checking references (XS version)

https://metacpan.org/release/Ref-Util-XS

Regexp::Common - Provide commonly requested regular expressions

https://metacpan.org/release/Regexp-Common

Return::Value - Polymorphic Return Values

https://metacpan.org/release/Return-Value

Roles, like a nouvelle cusine portion size slice of Moose

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

Simple HTTP Router

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

Perl Bindings for SDL

http://sdl.perl.org/

Parse SGML documents using OpenSP

https://metacpan.org/release/SGML-Parser-OpenSP

Perl module for postprocessing the output from sgmls and nsgmls

https://metacpan.org/release/DMEGG/SGMLSpm-1.03ii

Driver-based API for sending SMS messages

https://metacpan.org/release/SMS-Send

Perl5 module providing rudimentary access to SNMPv1 and v2 agents

http://www.switch.ch/misc/leinen/snmp/perl/

Client and server side SOAP implementation

https://metacpan.org/release/SOAP-Lite

Perl extension to generate SQL from Perl data structures

https://metacpan.org/release/SQL-Abstract

Generate SQL from Perl data structures

https://metacpan.org/release/SQL-Abstract-Classic

SQL Portability layer for LIMIT emulation

https://metacpan.org/release/SQL-Abstract-Limit

Perl5 module for SQL parsing and processing

https://metacpan.org/release/SQL-Statement

Manipulate structured data definitions (SQL and more)

https://metacpan.org/release/SQL-Translator

Perl module control superclass method dispatch

https://metacpan.org/release/SUPER

Call isa, can, does and DOES safely on things that may not be objects

https://metacpan.org/release/Safe-Isa

Perl subroutines that would be nice to have in the perl core

https://metacpan.org/release/Scalar-List-Utils

Lexically scoped resource management

https://metacpan.org/release/Scope-Guard

Perl module for fast, powerful binary deserialization (decoder)

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

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

https://metacpan.org/release/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 interface for cyclic redundancy check generation

Clean strings to protect from XSS attacks

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