
Description: Playwright is an open-source web testing framework developed by Microsoft. It allows for end-to-end testing of web applications by automating browser interactions like a real user. Playwright supports multiple browsers including Chrome, Firefox and Safari.
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