
Description: Symfony is an open-source web application framework written in PHP for developing complex and enterprise-grade web applications. It utilizes and extends several existing PHP libraries to provide modular and reusable components for building modern web applications.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Silex is a simple, fast web framework for PHP based on Symfony components. It is lightweight and easy to get started with, good for smaller web applications and APIs.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API