alienator88-sentinel ☆
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Description:
Configure Gatekeeper, unquarantine and self-sign apps
Type: Cask  |  Latest Version: 3.1.4@0  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  formulae.brew.sh
Category: Security
Tags: gatekeeper security unquarantine codesign macos
Install: brew install --cask alienator88-sentinel
About:
Alienator88 Sentinel is a powerful utility designed to manage macOS security policies, specifically Gatekeeper. It allows users to bypass quarantine flags on downloaded applications and self-sign apps that lack official developer signatures. This tool is essential for users who frequently work with software from unverified sources or need to modify existing app signatures.
Key Features:
  • One-click unquarantine of apps
  • Self-signing capabilities for custom apps
  • Gatekeeper configuration management
  • Drag-and-drop interface
Use Cases:
  • Running apps downloaded from outside the App Store
  • Developers testing unsigned or locally built applications
  • Fixing 'damaged' app errors on legitimate software
Alternatives:
  • xattr command line tool – Native macOS utility requiring terminal usage vs Sentinel's GUI
  • Gatekeeper Control Panel – System settings vs granular per-app control
Version History
Detected Version Rev Change Commit
Sep 16, 2025 6:39pm 3.1.2 0 VERSION_BUMP dd02258e
Aug 19, 2025 6:41pm 3.1.1 0 VERSION_BUMP ef9339d2
Jul 29, 2025 12:49am 3.1.0 0 VERSION_BUMP 56f44232
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