
Description: Firefox Developer Tools are a set of web developer tools built into Firefox browser to allow debugging, editing, and profiling web pages and applications. They include features like the Page Inspector, JavaScript Debugger, Network Monitor, Accessibility Inspector, Storage Inspector, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Visual Inspector is a visual web debugging and testing tool that allows developers to inspect, monitor and debug web apps by visually highlighting and tracking HTML elements, CSS styles, layout issues, and network requests.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API