Firefox derivative recommending only free software
For the Debian Iceweasel package, see Mozilla software rebranded by Debian.
GNU IceCat
GNU IceCat new-tab page
Developer(s)
GNUzilla team, GNU Project
Stable release
60.7.0[1]
/ 2 June 2019
Preview release
115.8.0[2]
/ 13 February 2024
Repository
git.savannah.gnu.org/cgit/gnuzilla.git
Engine
Gecko
Operating system
Linux
Windows
macOS
Android
Type
Web browser
License
MPL-2.0 (source files from Mozilla Firefox browser)[3] GPL-3.0-or-later (Scripts to convert Firefox into IceCat)[3]
Website
www.gnu.org/software/gnuzilla/
GNU IceCat, formerly known as GNU IceWeasel,[4] is a completely free version of the Mozilla Firefox web browser distributed by the GNU Project. It is compatible with Linux, Windows, Android and macOS.[5]
IceCat is released as a part of GNUzilla, GNU's rebranding of a code base that used to be the Mozilla Application Suite. As an internet suite, GNUzilla also includes a mail and newsgroup program, and an HTML composer.
Mozilla produces free and open-source software, but the binaries include trademarked artwork. The GNU Project attempts to keep IceCat in synchronization with upstream development of Firefox (long-term support versions) while removing all trademarked artwork and non-free add-ons. It also maintains a large list of free software plugins. In addition, it includes several security and privacy features not found in the mainline Firefox browser.
^Rubén Rodríguez Pérez (2 June 2019). "IceCat 60.7.0 Release". Retrieved 3 November 2021.
^"Update to 115.8.0". 13 February 2024.
^ ab"COPYING". git.savannah.gnu.org. Retrieved 5 February 2016.
^Berry, Karl (23 September 2007). "Ice Weasel". bug-gnuzilla (Mailing list). Retrieved 9 December 2008.
^Rodriguez, Ruben (9 March 2015). "IceCat 31.5.0 release". GNUzilla.
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