This is an HTTP connection class that is useful for connecting to a server on an arbitrary port and executing commands.
This API to Network News Transfer Protocol implements most of the RFC 977 commands. It hides the details of the NNTP protocol, while still allowing developers to maintain scripts with Usenet interoperability.
This is a PHP class that automates the process of retrieving web pages and posting forms. It basically implements the functions of a web browser in easy to use functions.
A class for communication with IRC networks that conforms to the RFC 2812 (IRC Protocol). Designed for creating IRC bots or chats, it handles the connections, messages, and acts like an API. Supports timeevents.
phpIRC allows you to use all of the popular IRC functions from within your own PHP programs. This IRC layer built for PHP can be used for IRC bots, online checkers and more, relieving you of the coding hassles of the IRC protocol.
This API is a complete implementation of the Network News Transfer Protocol, based on RFC 977. It also implements a lot of the Common NNTP Extensions in RFC 2980.
A utility program for developers that reveals the communications between a webbrowser and a webserver at the HTTP level. You get to see all the HTTP request/response headers. It helps you debug scripts.
This class allows you to grab certain URLs with support of SSL protocol and HTTP Redirect codes.
A client class implementing HTTP methods and a subset of WebDAV (a web publishing protocol) methods.
A set of classes for sending and receiving HTTP messages. It's based on Perl's LWP. It is not as feature rich or stable as LWP and only supports HTTP scheme. | 
