
Description: Nitro PDF Pro is a premium PDF editor that allows you to create, edit, convert, sign, and secure PDF files. It has an intuitive interface and advanced editing tools for annotating, rearranging pages, adding form fields, reviewing documents and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: PDF Rider is a PDF viewing, editing, and annotation software for Windows. It allows users to view, create, edit, sign, and annotate PDF documents. Some key features include tabbed PDF browsing, commenting tools, form filling, digital signatures, and optical character recognition.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API