
Description: TCPBlock is a free firewall program that blocks unwanted connections and traffic to your computer. It monitors network traffic and uses predefined rules to detect and block malicious or unnecessary connections.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

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: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API