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Return::MultiLevel provides a way to return immediately from a deeply nested call stack. This is similar to exceptions, but exceptions don't stop automatically at a target frame (and they can be caught by intermediate stack frames). In other words, this is more like setjmp(3)/longjmp(3) than die.

Sys::CPU - Perl extension for getting CPU information. In responce to a post on perlmonks.org, a module for counting the number of CPU's on a system. Support has now also been added for type of CPU and clock speed. While much of the code is from UNIX::Processors, Win32 support has been added (but not tested).

This package provides a set of modules that form an interactive input buffer written in plain perl with minimal dependencies. It features almost all key-bindings described in the posix spec for the sh(1) utility with some extensions like multi-line editing; this includes a vi-command mode with a save-buffer (for copy-pasting) and an undo-stack.

This is a subclass of Term::VT102 that will grow the virtual screen to accomodate arbitrary width and height of text. The behavior is more similar to the buffer of a scrolling terminal emulator than to a real terminal, making it useful for output displays in scrolling media.

Test::Exception::LessClever is an alternative to Test::Exception that is much simpler. This alternative does not use fancy stack tricks to hide itself. The idea here is to keep it simple. This also solves the Test::Exception bug where some dies will be hidden when a DESTROY method calls eval. If a DESTROY method masks $@ a warning will be generated as well.

Test::Expect is a module for automated driving and testing of terminal-based programs. It is handy for testing interactive programs which have a prompt, and is based on the same concepts as the Tcl Expect tool. As in Expect::Simple, the Expect object is made available for tweaking. Test::Expect is intended for use in a test script.

Test::utf8 is a collection of tests useful for dealing with utf8 strings in Perl. It has two types of tests: The validity tests check if a string is valid and not corrupt, whereas the characteristics tests will check that string has a given set of characteristics.

A Time::Clock object is a twenty-four hour clock with nanosecond precision and wrap-around. It is a clock only; it has absolutely no concept of dates. Vagaries of date/time such as leap seconds and daylight savings time are unsupported.

This module can parse various types of input (formatted and containing hierarchal information) into a tree structure. It can also deparse these same tree structures back into a string. It accepts various types of input, such as strings, filenames, and array references. The tree structure used is a hierarchy of Tree::Simple objects.

This module in an fully object-oriented implementation of a simple n- ary tree. It is built upon the concept of parent-child relationships, so therefore every Tree::Simple object has both a parent and a set of children (who themselves may have children, and so on). Every Tree::Simple object also has siblings, as they are just the children of their immediate parent.