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rust (3)

Fractal is a Gtk+ client written in Rust. Come to talk with us in Matrix: Main repository: How to Build: You need meson and ninja to build this project. Rust and cargo are also needed. ./configure --prefix=/usr/local make sudo make install On MacOS, you will need to: brew install gtk3+ dbus bash
  1. empirically needs 3.22.19 or later of gtk3+
  2. ...and run configure as:
/usr/local/bin/bash -c ./configure --prefix=/usr/local You may also need to comment out the block in ./fractal-gtk/src/ as apparently notification.wait_for_action is missing on MacOS. The origin of Fractal: This project is based on ruma-gtk Instead of using RUMA Client, Fractal calls directly to the REST API. The first version of this project was called guillotine, based on french revolution, in relation with the Riot client name, but it's a negative name so we decide to change for a math one. The name Fractal was proposed by Regina Bíró.
IceCat Heckert gnu.tiny.png
For WebExtensions, see FSD:IceCat WebExtensions (proposed)#Approved GNU IceCat (originally GNU IceWeasel) is part of GNUzilla (the GNU version of the Mozilla Application Suite). GNU IceCat aim to be based on the the current official release of Firefox Extended Support Release (ESR) with removal of trademarked artwork and proprietary components. However, IceCat is not a straight fork of Firefox ESR; instead, it is a parallel effort that works closely with and re-bases in synchronization on the latest Firefox ESR as the upstream supplier, with patches merged upstream whenever possible; although it should be noted that additional security updates are customized to IceCat occasionally.

Differences between IceCat and Firefox ESR

Important differences between Mozilla's Firefox and GNU IceCat is that IceCat has a focus on freedom and privacy (see settings.js for details).

  • Encrypted Media Extensions (EME) is not implemented: Whereas Firefox are being created such that they support Digital Restrictions Management (DRM) systems through their implementation of the Encrypted Media Extension (EME), GNU IceCat doesn't include an EME implementation as it opposes efforts to popularize and ease the dissemination of DRM technology.
    • Widevine Content Decryption Module provided by Google Inc. is not installed in about:addons > Plugins
    • The Play DRM-controlled content option (used to download and enable Widevine Content Decryption Module provided by Google Inc.) has been removed from about:preferences > Content
  • WebRTC is enabled like in Firefox but prevent leaking the LAN ip. (Test WebRTC)
  • The proprietary program Mibbit has been removed.
  • Telemetry is disabled.
  • DuckDuckGo is the default search engine, which means that you can run "!Bangs" keywords in the location bar to use any search engine.


"We will always make IceCat block non-free JavaScript by default. If you want to permit nonfree software to run, you can easily disable LibreJS." - Richard Stallman

Customized add-ons

  • SpyBlock (Adblock Plus fork) to block privacy trackers.


GNU IceCat was formerly known as GNU IceWeasel but changed its name in 2008 to avoid confusion with Debian IceWeasel (who was rebranded back to Firefox in 2017 after Debian was being granted special permission from Mozilla)ref.

The GNU IceCat developers dropped support for Replicant after version 31.8.0 because these builds are already provided by F-Droid.

GNU IceCat developers dropped support for macOS, and Windows, after version 38.8.0 in 2016: "Note that building binary packages for Windows and macOS currently requires non-free software, so we no longer distribute binary releases for those platforms." -

See also

Rust is a memory-safe programming language, proposed by Mozilla. Features:
  • Zero-cost abstractions
  • Move semantics
  • Guaranteed memory safety
  • Threads without data races
  • Trait-based generics
  • Pattern matching
  • Type inference
  • Minimal runtime
  • Efficient C bindings

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

The copyright and license notices on this page only apply to the text on this page. Any software or copyright-licenses or other similar notices described in this text has its own copyright notice and license, which can usually be found in the distribution or license text itself.