
Description: Sejda is an open source PDF desktop software for Windows, Mac and Linux that allows users to manipulate PDF files. It offers features like merging PDFs, splitting PDFs, compressing PDFs, adding headers/footers, reordering pages, encrypting/decrypting files, adding watermarks and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

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: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API