
Description: PDF Merge (Beta) is a free online tool that allows you to merge multiple PDF files into one PDF document. It has a simple drag-and-drop interface that makes combining PDFs easy and fast.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Bluebeam Revu is PDF software designed for architecture, engineering and construction professionals to markup, edit and collaborate on PDF documents. It allows users to markup PDFs with text, shapes, measurements and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API