Net::Patricia does IP address lookups quickly in Perl.

Data::Tumbler - Dynamic generation of nested combinations of variants.

Set::Infinite is a set theory module for infinite sets.

This Raku module implements Common Lisp's format language.

Email::Sender replaces the old and sometimes problematic Email::Send library.

This module uses Pod::Simple to convert POD to Markdown.

Data::OptList provides a simple syntax for name/value option pairs.

This Raku module implements encoding and decoding to and from base64.

An HTTP::Message object contains some headers and a content body.

Email::Simple provides simple parsing of RFC 2822 message format and headers.

Sub::Identify allows you to retrieve the real name of code references.

Sub::Exporter provides a sophisticated alternative to Exporter.pm for custom-built routines.

MIME::Charset provides information about character sets used for MIME messages on Internet.

This perl module provides a wrapper around URI templates as described in RFC 6570.

This module compares arbitrary data structures to see if they are copies of each other.

This package provides encodings for JIS X 0212, which is also known as JIS 2000.

This package provides some compilation helpers so you can link Fortran libraries into C libraries.

Display Perl variables and objects on screen, properly formatted (to be inspected by a human).

This package provides procedures to get and set resource limits like getrlimit and setpriority.

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

This module provides a mechanism for determining if the pod for a given module is comprehensive.

Simple test harness which allows tests to be run and results automatically aggregated and output to STDOUT.

This module provides routines for testing the exit status, standard output and standard error of external commands.

Text::Aligner exports a single function, align(), which is used to justify strings to various alignment styles.