
Description: Robot Framework is an open-source automation framework that uses tabular test data syntax for easier test creation and maintenance. It utilizes keyword-driven testing approach to make tests readable and easy to create.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Citrus is an open source automated testing framework for Integration testing. It simplifies writing tests for REST APIs, websockets, messaging protocols like JMS or AMQP, and many more. Citrus allows creating reusable test components and has built-in support for validating JSON and XML.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API