Firefox
Mozilla Firefox is a graphical web browser developed by the Mozilla Corporation and a large community of external contributors. Firefox, officially abbreviated as Fx or fx[3] and popularly abbreviated FF,[4] started as a fork of the Navigator browser component of the Mozilla Application Suite. Firefox has replaced the Mozilla Suite as the flagship product of the Mozilla project, under the direction of the Mozilla Foundation.
Thunderbird
Mozilla Thunderbird is a free, open source, cross-platform e-mail and news client developed by the Mozilla Foundation. The project strategy is modeled after Mozilla Firefox, a project aimed at creating a web browser. Just as Firefox aims to redefine the web browser, Thunderbird is a refinement of the mail and news interface. On December 7, 2004, version 1.0 was released, and received over 500,000 downloads in its first three days of release (and 1,000,000 in 10 days). As of 2007, Thunderbird has been downloaded more than 50 million times since 1.0 release.





