Persistency for perl data structures

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

Perl extension for temporary buffer to save bytes

http://search.cpan.org/dist/Stream-Buffered/

Perl extension for approximate matching (fuzzy matching)

http://search.cpan.org/dist/String-Approx/

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

Perl module for sprintf-like string formatting capability

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

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

http://search.cpan.org/dist/Sub-Exporter-Progressive/

Retrieve names of code references

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

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

Efficient generation of subroutines via string eval

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

Sub::Uplevel - apparently run a function in a higher stack frame

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

Switch - A switch statement for Perl

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

Try every conceivable way to get full hostname

http://search.cpan.org/dist/Sys-Hostname-Long/

Ensure that a platform has weaken support

http://search.cpan.org/dist/Task-Weaken/

Template Toolkit plugin to interface with GD modules

http://search.cpan.org/dist/Template-GD/

Extensive Toolkit for template processing

http://search.cpan.org/dist/Template-Toolkit/

Color screen output using ANSI escape sequences

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

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

Test::Base - A Data Driven Testing Framework

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

Check for presence of dependencies

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

Easily create test classes in an xUnit style

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

Provides basic first-pass API testing for large class trees

http://search.cpan.org/dist/Test-ClassAPI/

Check for uncleaned imports

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

Test data structures for differences deeply

http://search.cpan.org/dist/Test-Deep/

Test all modules which depend on your module

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

Test::Differences - Test strings and data structures for differences

http://search.cpan.org/dist/Test-Differences/

Check the correct line endings in your project

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

Test::Exception - test functions for exception based code

http://search.cpan.org/dist/Test-Exception/

Add test failures if warnings are caught

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

Incredibly simple helpers for testing code with exceptions

http://search.cpan.org/dist/Test-Fatal/

Test file attributes

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

Create a fake ShareDir for your modules for testing

https://metacpan.org/release/Test-File-ShareDir