
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: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: SplineTech Javascript Debugger is a lightweight yet powerful debugger for JavaScript code. It allows stepping through code, setting breakpoints, and inspecting variables and object properties. Useful for front-end developers building complex web apps.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API