
Description: Radio Silence is a firewall program that monitors all connections to and from your computer. It helps block malware, ads, and tracking while allowing desired connections to go through. Radio Silence is lightweight, easy to use, and works silently in the background.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Little Snitch is a macOS firewall that monitors outgoing and incoming connections, alerting you to any unexpected activity. It lets you choose to allow or deny connections for improved security and privacy.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API