
Description: HTML2PDF is an open-source PHP class that allows you to generate PDF files from HTML code. It supports HTML5 and CSS3, is lightweight, and can handle complex layouts and Unicode.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: PDFium is an open-source PDF viewing library developed by Google. It allows developers to add PDF viewing and manipulation capabilities to their applications. PDFium supports core PDF features like rendering, printing, form filling and annotation.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API