
Description: Master PDF Editor is a PDF editing software that allows users to easily edit, convert, create, review, and secure PDF documents. It has a user-friendly interface and features like merging PDFs, adding text/images, filling out forms, adding signatures, reviewing documents with markup tools, password protection, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: PDFpen is a PDF editing software for Mac that allows users to easily edit, annotate, and sign PDF documents. It has tools for adding text, images, signatures, highlights, shapes, and more to PDFs.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API