
Description: PhearJS is a lightweight JavaScript framework for building web applications. It provides tools and utilities for routing, DOM manipulation, event handling, and more to help developers build modern single-page apps.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: CasperJS is an open source web testing and automation tool written in JavaScript that uses headless browsing powered by PhantomJS and provides a high-level API for scripting browser interactions and assertions.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API