ARSC Really Simple Chat is a Web chat system that uses PHP and MySQL. It works with every browser in existence, even text-based ones, and it uses the server push technique or, if possible, its own socket server. It is very simple to install and use ARSC. It includes some important features, such as operators, kick-ing, whispering, and more. Multiple rooms and different languages are available. To run ARSC on your site, you need a Web server that understands PHP, and can connect to a MySQL database.
Afian is a webmail client designed for customer support communication. It lets you combine messages from multiple email accounts from one or different email providers into one inbox. It also facilitates sharing single email accounts with multiple users, while keeping the users from replying twice to the same message. It provides easy access to every communication with every customer. As no messages are deleted from the server, Afian can be used in parallel with any other email programs.
AfterLogic WebMail Lite PHP is a Webmail script with a modern AJAX interface. It supports IMAP accounts, SMTP, and SSL (including Gmail). Users can check and send mail and use an address book. It provides a slick skin, a three-pane view, non-English language support, UTF-8 support, IMAP folders, and viewing and composing HTML mail. A MySQL backend is supported, with Web-based administration and installation and cPanel/Plesk/DirectAdmin integration.