
Description: Classic PDF Editor is a PDF editing program that allows users to view, edit, annotate, and manipulate PDF documents. It has editing tools like adding or removing pages, combining multiple PDFs, inserting images and shapes, adding comments, highlights and signatures.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: PDF Expert is a PDF reader and annotation tool for Mac. It allows you to view, edit, annotate, sign, and fill PDF documents. Key features include tabbed browsing, annotation tools, OCR text search, encryption support, digital signatures, and form filling.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API