
Description: PDF-Shuffler is a free, open source software for Linux and Windows that can rearrange, split, merge and rotate PDFs. It allows working with multiple PDFs at once and comes with basic editing tools.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Combine PDF is a free online tool that allows you to merge multiple PDF files into one single document. It provides an intuitive interface to add and organize files, apply page numbers or delete pages, and download or print the combined PDF.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API