
Description: PDFCreator is a free and open source program for Windows that allows you to print documents and other files to PDF format. It installs a virtual printer on your system that can generate PDF files from any application with printing capabilities.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: PDFZorro is a free PDF editor for Windows that allows users to edit, annotate, rearrange pages, extract images and text, fill out forms, and more in PDF documents. It's an easy-to-use alternative to paid PDF editors.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API