
Description: Silex is a micro-framework for PHP that is built on top of Symfony components. It is lightweight, fast, and well-suited for smaller web applications and RESTful web services. Silex makes it easy to quickly create APIs and web apps without a lot of boilerplate code.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: FuelPHP is an open-source web application framework written in PHP which follows the model–view–controller pattern. It is designed to streamline and simplify site development with clean syntax.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API