
Description: PhantomJS is an open-source headless web browser scriptable with JavaScript. It is used for automating web page interactions, testing, web scraping, and capturing website screenshots. PhantomJS implements web standards and runs the latest web technologies without requiring a visual browser.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Puppeteer is a Node.js library developed by Google which provides a high-level API to control headless Chrome or Chromium over the DevTools Protocol. It allows developers to automate browser testing and scraping tasks.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API