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Term::Size::Any is a unified interface to retrieve terminal size. It loads one module of a list of known alternatives, each implementing some way to get the desired terminal information. This loaded module will actually do the job on behalf of Term::Size::Any.

Test::CPAN::Meta was written to ensure that a META.yml file, provided with a standard distribution uploaded to CPAN, meets the specifications that are slowly being introduced to module uploads, via the use of package makers and installers such as ExtUtils::MakeMaker, Module::Build and Module::Install.

acsccid is a PC/SC driver for Linux/Mac OS X and it supports ACS CCID smart card readers. This library provides a PC/SC IFD handler implementation and communicates with the readers through the PC/SC Lite resource manager (pcscd).

aliased is simple in concept but is a rather handy module. It loads the class you specify and exports into your namespace a subroutine that returns the class name. You can explicitly alias the class to another name or, if you prefer, you can do so implicitly. In the latter case, the name of the subroutine is the last part of the class name.

Most programming languages have a native "Boolean" data type. Perl does not. Perl has a simple and well known Truth System. The following scalar values are false: @false = (undef, 0, 0.0, '', '0'); Every other scalar value is true. This module provides basic Boolean support, by defining two special objects: "true" and "false".

The prefork pragma is intended to allow module writers to optimise module loading for both scenarios with as little additional code as possible. The prefork.pm is intended to serve as a central and optional marshalling point for state detection (are we running in procedural or pre-forking mode) and to act as a relatively light-weight module loader.

Type::Tiny is a tiny class for creating Moose-like type constraint objects which are compatible with Moo, Moose and Mouse. Maybe now we won't need to have separate MooseX, MouseX and MooX versions of everything? We can but hope... This documents the internals of Type::Tiny. Type::Tiny::Manual is a better starting place if you're new.

Unix::Statgrab is a wrapper for libstatgrab, as available from http://www.i-scream.org/libstatgrab/. It is a reasonably portable attempt to query interesting stats about your computer. It covers information on the operating system, CPU, memory usage, network interfaces, hard-disks etc.

This is a rather simple module that abstracts the task of figuring out the current system uptime, in seconds. It was born out of a desire to do this on non-Linux systems, without SNMP. If you want to use SNMP, there are pleanty of modules on CPAN already.

This module provides the functions normally associated with a version control system, but without needing or implementing a version control system. Applications include wikis, document management systems and configuration management. It makes use of the module Algorithm::Diff. It provides the facility for basic diffing, patching and merging.