A GUI for controlling Gatekeeper, unquarantining apps and signing apps.

Features

• 100% Swift
• Can drop an app in the drop target to unquarantine and optionally auto-open the app after it is unquarantined
• Can drop an app in the drop target to ad-hoc self sign and replace the certificate
• Finder extension to easily right click apps and unquarantine
• Custom auto-updater that pulls latest release notes and binaries from GitHub Releases (Sentinel should be ran from /Applications folder to avoid permission issues)
• Supports macOS Sequoia

What’s New:

Version 3.1.2:

• Build app using Xcode 26/macOS Tahoe toolchain
• Update app icon to work with liquid glass

Compatibility: macOS 12.0 or later
Homepage https://itsalin.com/appInfo/?id=sentinel

Screenshots