
Description: SysTools PDF Unlocker is a desktop software that allows users to remove restrictions from PDF files. It can unlock features like printing, editing, copying text and images from protected PDFs.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: PDF Protector is a software tool that allows users to password protect their PDF documents and restrict certain permissions like printing, editing and copying text. It has a simple interface to add security to PDFs within a few clicks.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API