
Description: Netfilter is an open-source framework in the Linux kernel that allows network packet filtering, network address translation, and other packet mangling. It is a critical part of Linux's networking stack.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Firestarter is a free, open source Linux firewall configuration tool. It provides a graphical user interface for configuring iptables firewall rules and managing connections. Firestarter aims to make building firewall policies easy for beginners while still providing advanced features for experienced users.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API