little-snitch@nightly ☆
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Description:
Host-based application firewall
Type: Cask  |  Latest Version: 6.3,7164@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  @littlesnitch  |  formulae.brew.sh
Category: Security
Tags: firewall network security monitoring privacy
Install: brew install --cask little-snitch@nightly
About:
Little Snitch is an inbound and outbound connection filter for macOS that acts as a host-based firewall. It allows you to monitor network traffic and decide which applications are permitted to communicate over the internet. This nightly build provides early access to the latest features and improvements for testing and evaluation.
Key Features:
  • Real-time network traffic monitoring and visualization
  • Granular rule creation for individual applications
  • Silent mode for automatic rule handling
  • Network history and process inspection
Use Cases:
  • Blocking unwanted outgoing connections from malware or adware
  • Preventing specific apps from phoning home or tracking usage
  • Diagnosing network issues and unexpected bandwidth usage
Alternatives:
  • LuLu – Open-source alternative, but Little Snitch offers more mature features and a refined UI
  • TripMode – Focuses primarily on blocking background data usage, while Little Snitch provides deeper network inspection
Version History
Detected Version Rev Change Commit
Aug 13, 2025 4:18pm 6.3,7164 0 VERSION_BUMP 83bd0d9e
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