
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: ZetPDF is an easy-to-use PDF editor that allows you to view, create, edit, convert, annotate, protect, and sign PDF documents. It has a simple, intuitive interface making it easy for anyone to work with PDFs.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API