
Description: UniPDF is an open-source PDF software that allows users to view, create, edit, convert, sign, and annotate PDF documents. It has a simple, intuitive interface making it easy for anyone to work with PDFs.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: First PDF is a PDF reader, editor, converter and annotator. It allows you to view, edit, sign, and annotate PDF documents, as well as convert between various document formats. The software has a simple, intuitive interface and is free for personal use.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API