
Description: Save as WWF is a free browser extension that converts PDF, DOC, DOCX, and other documents to more eco-friendly WWF file formats, reducing unnecessary ink, toner, and paper usage.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: CUPS-PDF is an open-source PDF creation tool that allows users to easily generate PDF files from any application that can print. It works by converting printed documents to PDF format using the Common UNIX Printing System (CUPS).
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API