
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: htmldocs is an open source HTML to PDF converter and document generator. It can convert HTML, Markdown and other text formats to PDF while retaining formatting and styles. Useful for generating reports, invoices, certificates from web content.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API