
Description: PDF Studio by Bullzip is a PDF editor and reader that allows you to view, edit, annotate, redact, sign, and convert PDF documents. It has a user-friendly interface with advanced features like OCR text recognition and batch processing.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: PDF4QT is an open-source PDF library for Qt that enables Qt applications to read and write PDF files. It provides an easy API for PDF generation and manipulation.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API