
Description: A document viewer is software that allows you to open, view, and print documents in various file formats like PDFs, Word docs, Excel sheets, PowerPoint presentations etc. It provides features to navigate through pages, search text, insert comments, fill forms etc.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Xpdf is an open source PDF reader for Linux, Unix, Mac, and Windows systems. It supports viewing, printing, and searching PDF files. Xpdf is lightweight, fast, and has a simple interface.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API