
Description: PDF Chain is free and open source software for combining, splitting, rotating and manipulating PDF documents. It provides a simple interface for common tasks like merging multiple PDFs, extracting pages, adding watermarks and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: PDF Stapler is a free software that allows users to merge, split, rotate, and rearrange PDF documents. It has an easy-to-use interface for basic PDF editing tasks.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API