
Description: WinZip PDF Pro is a PDF management and editing software that allows users to view, edit, create, compress, share, and protect PDF files. It includes features like combining and splitting PDFs, adding watermarks, optimizing PDFs, password protecting files, and converting PDFs to other formats.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Sioyek is an open-source PDF viewer designed for reading scientific papers and academic journals. It provides advanced PDF features like synchronized dual-page view, sticky notes, highlights and annotations. Sioyek aims to offer a clutter-free interface for focused reading.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API