
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: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Pdfcrowd is a PDF creation and conversion API that allows developers to convert HTML, URLs, and office documents to PDF from their applications. It handles file uploads and conversions on the cloud through REST API calls.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API