
Description: Aspose.PDF for Java is a PDF manipulation API that enables Java applications to read, write and manipulate PDF documents without using Adobe Acrobat. It offers features like creating PDF files from scratch, combining multiple PDFs, splitting PDFs, compressing PDFs, adding images, text, headers, footers, bookmarks, form fields, attachments and more.
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