Firefox is a web browser descended from the Mozilla Application Suite, managed by the Mozilla Corporation. Firefox had about 15% of the recorded usage share of Web browsers as of January 2008 making Firefox the second-most popular browser in current use worldwide after Internet Explorer. Firefox has been considered a “rival” to Internet Explorer.Firefox uses the open-source Gecko layout engine, which implements some current Web standards plus a few features which are intended to anticipate likely additions to the standards.

Firefox includes tabbed browsing, a spell checker, incremental find, live bookmarking, a download manager, and a search system that uses Google. Functions can be added through more than 2,000 add-ons created by third party developers; the most popular include NoScript (script blocker), FoxyTunes (controls music players), Adblock Plus (ad blocker), StumbleUpon (website discovery), DownThemAll! (download functions) and Web Developer (web tools).

Latest version: 2.0.0.13

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