
Description: DOMScope is a browser extension for inspecting and modifying the DOM structure of web pages. It allows developers to visualize, explore, and edit the DOM tree to understand page structure and debug layout issues.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Opera Dragonfly is a developer tools suite integrated into the Opera web browser. It allows web developers to debug and edit CSS, HTML, and JavaScript on live web pages to test changes without reloading the whole page.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API