This module provides tools to deal with International Standard Book Numbers, including ISBN-10 and ISBN-13.

This package provides a Perl module for TrueType/OpenType font hacking. It supports reading, processing and writing of the following tables: GDEF, GPOS, GSUB, LTSH, OS/2, PCLT, bsln, cmap, cvt, fdsc, feat, fpgm, glyf, hdmx, head, hhea, hmtx, kern, loca, maxp, mort, name, post, prep, prop, vhea, vmtx and the reading and writing of all other table types.

Module::Build is a system for building, testing, and installing Perl modules; it used to be part of Perl itself until version 5.22, which dropped it. It is meant to be an alternative to ExtUtils::MakeMaker. Developers may alter the behavior of the module through subclassing in a much more straightforward way than with MakeMaker. It also does not require a make on your system---most of the Module::Build code is pure-Perl.

Parse::CPAN::Meta is a parser for META.json and META.yml files, using JSON::PP and/or CPAN::Meta::YAML.

This is a Perl package designed to generate browsable HTML documentation from the POD (Plain Old Documentation) embedded in Perl source code.

File::ShareDir::Dist finds share directories for distributions. It is a companion module to File::ShareDir.

Date::Calc::XS is an XS wrapper and C library plug-in for Date::Calc.

This module allows you to rewrite strings based on a set of known prefixes.

This module provides a small, fast utility for working with file paths.

Object::Signature is an abstract base class that you can inherit from in order to allow your objects to generate unique cryptographic signatures.

This is a library for generating letters, building HTML pages, or filling in templates generally. A template is a piece of text that has little Perl programs embedded in it here and there. When you fill in a template, you evaluate the little programs and replace them with their values.

This class lets you build groups of accessors that will call different getters and setters.

This module provides a Perl interface to the iconv() codeset conversion function, as defined by the Single UNIX Specification. For more details see the POD documentation embedded in the file Iconv.pm, which will also be installed as Text::Iconv(3) man page.

Crypt::PasswdMD5 provides various crypt()-compatible interfaces to the MD5-based crypt() function found in various *nixes. It is based on the implementation found on FreeBSD 2.2.[56]-RELEASE.

This module provides three utility subroutines that make it easier to develop interactive applications: is_interactive(), interactive(), and busy().

Math::Round provides functions to round numbers, both positive and negative, in various ways.

Chaolin Zhang's Perl Library (czplib) contains assorted functions and data structures for processing and analysing genomic and bioinformatics data.

Perl is a general-purpose programming language originally developed for text manipulation and now used for a wide range of tasks including system administration, web development, network programming, GUI development, and more.

Term::ProgressBar::Simple tells you how much work has been done, how much is left to do, and estimate how long it will take.

Class::Method::Modifiers provides three modifiers: before, around, and after. before and after are run just before and after the method they modify, but can not really affect that original method. around is run in place of the original method, with a hook to easily call that original method.

The PPI module parses, analyzes and manipulates Perl code.

ExtUtils::CppGuess attempts to guess the C++ compiler that is compatible with the C compiler used to build perl.

This module can retrieve information from the CDDB.

Devel::Caller provides meatier version of caller.