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gibMacOS

github.com/corpnewt/gibMacOS Mac Apps Open-source projectOpen source

gibMacOS downloads macOS components directly from Apple and can build Internet Recovery USB installers from Windows.

Visit gibMacOS 24 alternatives
github.com/corpnewt/gibMacOS
gibMacOS homepage screenshot

About gibMacOS

gibMacOS is a Python 2/3 script that downloads macOS components directly from Apple. It can also build Internet Recovery USB installers from Windows using dd and 7zip, though this Windows method no longer works for macOS 11 (Big Sur) and later; macOS versions through Catalina still work. On macOS, Big Sur and later are distributed as an InstallAssistant.pkg file, which can be run to place the install app in /Applications, so BuildmacOSInstallApp.command is not needed for that case. The repository is MIT-licensed, and valid copies can be retrieved from GitHub; third-party rehosts may attempt to deliver malware.

Key features

  • Downloads macOS components directly from Apple
  • Builds Internet Recovery USB installers from Windows using dd and 7zip
  • Supports Windows USB creation for macOS versions through Catalina
  • Handles macOS 11+ InstallAssistant.pkg distribution on macOS
  • Includes BuildmacOSInstallApp.command and BuildmacOSInstallApp.py scripts
  • Runs as a Python 2/3 script on macOS and Windows
Best for: Users who need to download macOS components or create macOS/Internet Recovery USB installers from Windows or macOS, especially for versions through Catalina when using the Windows method.
Good for
  • Open-source under the MIT license
  • Can download macOS components directly from Apple
  • Can build Internet Recovery USB installers from Windows for macOS versions through Catalina
Watch out for
  • Internet Recovery USB installers can no longer be built via MakeInstall on Windows for macOS 11 Big Sur and later
  • BuildmacOSInstallApp.command is not needed on macOS for macOS 11+ because InstallAssistant.pkg is used
  • Third-party rehosts may attempt to deliver malware; valid copies should come from the GitHub repository

gibMacOS at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Platforms
macOS, Windows
Open source
Yes · Source code
Language
English
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026
open sourcepythonmacosdownloads

gibMacOS alternatives

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Nigate provides an NTFS utility for Mac, with compatibility details for Intel and Apple Silicon systems.

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gibMacOS FAQ

Can gibMacOS build Internet Recovery USB installers from Windows?
Yes, it can build them using dd and 7zip for macOS versions through Catalina. As of macOS 11 (Big Sur), this no longer works via MakeInstall on Windows.
Is BuildmacOSInstallApp.command needed for macOS 11 or later?
No. As of macOS 11 (Big Sur), Apple distributes the OS as an InstallAssistant.pkg file; running it places the install app in /Applications, so BuildmacOSInstallApp.command is not needed on macOS in that case.
Where can valid copies of gibMacOS be obtained?
Valid copies can be retrieved from the GitHub repository. Third-party rehosts may attempt to deliver malware and should be avoided.
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Listing maintained by Chris McClure and the WebIndexly editors · Updated Oct 11, 2026 · How we rank