In the last couple of years, Mozilla's "Firefox" has become one of the most popular web-browsers. It's highlights are: the pop-up blocker, "tabbed" browsing allowing to open multiple websites in a single window and the fact that it is highly customizable: By installing some of the extensions available the user can add almost any functionality he wishes. Furthermore, firefox's appearance can be easily changed by installing additional themes .

Mozilla's popular E-Mail program features: an adaptive Junk-Mail filter, a built-in spell-checker, an integrated news reader and, of course, an address book. It provides security features such as S/MIME, digital signing, message encryption, as well as support for certificates and security devices. Furthermore, like its browser-counterpart "Firefox ", it is highly customizable by installing additional extensions and themes .

Pidgin (formerly known as Gaim) is a multi-protocol Instant Messaging client for Windows and Linux that allows you to use all of your Instant Messaging accounts at once.