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

Description: Watir is an open-source Ruby library for automating web browsers. It drives browsers the same way people do, enabling testing and scripting of web applications. Watir supports IE, Firefox, Chrome, Safari and Opera.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API