The following documents describe the features located in the cPanel Software/Services box.

Recommended reading: Full cPanel guide for webmasters

• CGI Center — Short for “Common Gateway Interface,” CGI lets a web server run pieces of software called scripts. cPanel’s CGI Center provides CGI scripts that can do many useful things for your website, like creating a guestbook, clock, hit counter, countdown clock, and banner ads.

• Site Software — This interface allows you to add useful software to your website. Your web host controls what software is available.

• PHP PEAR Packages — Using these features you can add and manage PHP packages.

• PHP Configuration — This feature allows you to view specific information about your server’s PHP configuration.

• Perl Modules — This feature provides an interface for you to add and manage Perl modules.

• Optimize Website — This feature can automatically compress content on your website, when that content is requested by visitors.

• Ruby on Rails — This document covers how to create and deploy a Ruby on Rails application.

• RubyGems — This feature is a package manager for the Ruby programming language that provides a standard format for distributing Ruby programs and libraries (in a self-contained format called a “gem”), a tool designed to easily manage the installation of gems, and a server for distributing them.

Additional Documentation

• cPanel PHP — This document details the internal PHP RPMs that are shipped with cPanel & WHM.

Source: http://docs.cpanel.net/