
Description: Guarddog is a free, open source firewall program for Linux systems. It aims to provide an easy to use interface for configuring a firewall on Linux, allowing users to securely control incoming and outgoing network traffic.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: ZoneAlarm Firewall is a free personal firewall program that helps protect your computer from hackers and cyber criminals. It monitors incoming and outgoing traffic and blocks threats while allowing desired connections.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API