GD allows you to create color drawings using a large number of graphics primitives, and emit the drawings as GIF files.

GDBM_File perl extension ported to the Win32 Perl environment.

A self-sufficient perl module with four functions: one-way hash function, RC4-compatible encryption algorithm, binary to ASCII and ASCII to binary conversion.

HashHistory is a tied hash module that you interpose between your program and another tied hash module, usually a DBM interface. Everything looks completely ordinary, but you can also ask HashHistory for the history of a key. It will return a list of all the values that the key has ever had, in order.

The HFPM are a set of modules that accept a submitted HTML form, possibly modify the contents of the submitted fields, and output the result using e-mail, appending to a file, and/or displaying it to the user or returning an arbitrary URL.

Htmlpp is a pre-processor for HTML documents. Its purpose is to simplify the work of writing and packaging large numbers of HTML documents. It acts like a compiler: you provide an input source text and htmlpp produces the HTML documents from that. This is easier and safer than trying to edit and manage separate HTML documents.

A perl module which can be used to maintain the password file for Apache HTTP authentication.

ImageMagick TM, is a robust collection of tools and libraries to read, write, and manipulate an image in any of the more popular image formats including GIF, JPEG, PNG, PDF, and Photo CD. With ImageMagick you can create GIFs dynamically making it suitable for Web applications. You can also resize, rotate, sharpen, color reduce, or add special effects to an image and save your completed work in the same or differing image format.

Perl Module for implementation of complete Interactive Voice Response System is released at cpan.org. http://search.cpan.org/search?mode=module&query=ivrs

Arbitrary string interpolation semantics.