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GNU IceCat


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This package was approved as a trusted package on 7/11/2019.

GNU IceCat is the GNU version of the Firefox browser. It aim to be based on the the current official release of Firefox Extended Support Release (ESR) with removal of trademarked artwork and proprietary components. Important differences between Mozilla's Firefox and GNU IceCat is that IceCat has a focus on freedom and privacy.

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.


  • IceCat developers dropped support for Windows 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".
  • This package contains an unofficial version of GNU IceCat installer for Windows x64 only.

To install GNU IceCat, run the following command from the command line or from PowerShell:

C:\> choco install icecat --version 60.8.0

To upgrade GNU IceCat, run the following command from the command line or from PowerShell:

C:\> choco upgrade icecat --version 60.8.0


  • tools\chocolateyInstall.ps1 Show
    $toolsDir = "$(Split-Path -parent $MyInvocation.MyCommand.Definition)"
    $packageArgs = @{
      packageName    = $env:ChocolateyPackageName
      url64          = ''
      checksum64     = '466fdc17fef4d991a88072169cfa866fcdc1f2e848ed5511eec10be8217885ad'
      checksumType64 = 'sha256'
      silentArgs     = '-ms'
    Install-ChocolateyPackage @packageArgs
    Get-ChildItem $toolsDir\*.exe | ForEach-Object { Remove-Item $_ -ea 0; if (Test-Path $_) { Set-Content "$_.ignore" } }

Virus Scan Results

In cases where actual malware is found, the packages are subject to removal. Software sometimes has false positives. Moderators do not necessarily validate the safety of the underlying software, only that a package retrieves software from the official distribution point and/or validate embedded software against official distribution point (where distribution rights allow redistribution).

Chocolatey Pro provides runtime protection from possible malware.


Package Maintainer(s)

Software Author(s)

  • GNU Project


Release Notes

GNU IceCat, Firefox ESR

Version History

Version Downloads Last updated Status
GNU IceCat 60.8.0 220 Thursday, July 11, 2019 approved
GNU IceCat 60.7.2 71 Saturday, July 6, 2019 approved
GNU IceCat 60.7.1 79 Tuesday, June 25, 2019 approved
GNU IceCat 60.7.0 209 Thursday, May 23, 2019 approved
GNU IceCat 60.6.3 65 Sunday, May 19, 2019 approved
GNU IceCat 60.6.2 106 Thursday, May 9, 2019 approved
GNU IceCat 60.6.1 183 Sunday, April 21, 2019 approved
GNU IceCat 60.6.0 108 Friday, March 22, 2019 approved
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Discussion for the GNU IceCat Package

Ground rules:

  • This discussion is only about GNU IceCat and the GNU IceCat package. If you have feedback for Chocolatey, please contact the google group.
  • This discussion will carry over multiple versions. If you have a comment about a particular version, please note that in your comments.
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  • Tell us what you love about the package or GNU IceCat, or tell us what needs improvement.
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