
Description: Gaaiho PDF Reader is a free, open-source PDF viewer for Windows. It provides a simple, no-frills interface for viewing, printing, and annotating PDF documents. Key features include tabbed browsing, bookmarking, basic markup tools, and smooth scrolling/zooming.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Foxit Reader is a free PDF reader that provides fast PDF viewing, editing, organizing and security features. It is a lightweight alternative to Adobe Acrobat Reader.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API