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GNU IceCat

GNU IceCat
Icecat1-300x300.svg
GNU IceCat 45.5.1 in default home tab page screenshot.png
GNU IceCat 45.5.1 on Parabola GNU/Linux-libre
Developer(s) Gnuzilla team
Stable release 45.5.1 (2 December 2016; 3 months ago (2016-12-02))
Repository git.savannah.gnu.org/cgit/gnuzilla.git
Operating system GNU/Linux, macOS, Android, Windows
Type Web browser
License MPL
Website www.gnu.org/software/gnuzilla/

GNU IceCat, formerly known as GNU IceWeasel, is a free software rebranding of the Mozilla Firefox web browser distributed by the GNU Project. It is compatible with GNU/Linux, Windows, Android and macOS.

The GNU Project attempts to keep IceCat in synchronization with upstream development of Firefox while removing all trademarked artwork. It also maintains a large list of free software plugins. In addition, it features a few security features not found in the mainline Firefox browser.

The Mozilla Corporation owns trademark to the Firefox name and denies the use of the name "Firefox" to unofficial builds that fall outside certain guidelines. Unless distributions use the binary files supplied by Mozilla, fall within the stated guidelines, or else have special permission, they must compile the Firefox source with a compile-time option enabled that creates binaries without the official branding of Firefox and related artwork, using either the built-in free artwork, or artwork provided at compile time.

This policy led to a long debate within the Debian Project in 2004 and 2005. During this debate, the name "Iceweasel" was coined to refer to rebranded versions of Firefox. The first known use of the name in this context is by Nathanael Nerode, in reply to Eric Dorland's suggestion of "Icerabbit". It was intended as a parody of "Firefox." Iceweasel was subsequently used as the example name for a rebranded Firefox in the Mozilla Trademark Policy, and became the most commonly used name for a hypothetical rebranded version of Firefox. By January 1, 2005, rebranding was being referred to as the "Iceweasel route".

In August 2005, the Gnuzilla project adopted the GNU IceWeasel name for a rebranded distribution of Firefox that made no references to nonfree plugins. The first Gnuzilla IceWeasel release was based on the 1.5.0.4 version of Firefox. There was no release based on Firefox 1.5.0.5 or 1.5.0.6.


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