
Description: SlimerJS is a scriptable browser for web scraping and testing, similar to PhantomJS, based on Gecko and Firefox. It provides a JavaScript API for controlling a browser to load pages, extract content, run tests, take screenshots, etc.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Selenium IDE is an open-source Chrome and Firefox browser extension for creating and running automated web application UI tests. It allows users to record interactions with web apps to generate test scripts that can be exported and used with Selenium WebDriver.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API