Mozilla Firefox, Firefox Browser, or simply Firefox, is a free and
open-source web browser developed by the Mozilla Foundation and its
subsidiary, Mozilla Corporation. Firefox uses the Gecko layout engine to
render web pages, which implements current and anticipated web
Mozilla Thunderbird is a free and open-source, cross-platform
email client, news client, RSS, and chat client developed by the Mozilla
Foundation. The project strategy was modeled after that of the Mozilla
Firefox web browser.